./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-49.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_b8abf348-466b-45a7-911f-decc1c1f4d8c/bin/ukojak-verify-ImItNfHLgk/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8abf348-466b-45a7-911f-decc1c1f4d8c/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_b8abf348-466b-45a7-911f-decc1c1f4d8c/bin/ukojak-verify-ImItNfHLgk/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8abf348-466b-45a7-911f-decc1c1f4d8c/bin/ukojak-verify-ImItNfHLgk/config/KojakReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-49.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8abf348-466b-45a7-911f-decc1c1f4d8c/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_b8abf348-466b-45a7-911f-decc1c1f4d8c/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 ee450cdb7362593087eaa4f51cf0609baf72f213a54e3b9dfb94348c9a8e8899 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-08 22:43:14,394 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 22:43:14,458 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8abf348-466b-45a7-911f-decc1c1f4d8c/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-11-08 22:43:14,462 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-08 22:43:14,463 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-08 22:43:14,486 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 22:43:14,487 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-08 22:43:14,488 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-08 22:43:14,488 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 22:43:14,489 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 22:43:14,489 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 22:43:14,490 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-08 22:43:14,490 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-08 22:43:14,490 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-08 22:43:14,491 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-08 22:43:14,491 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 22:43:14,492 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-08 22:43:14,492 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-08 22:43:14,492 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-08 22:43:14,493 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 22:43:14,493 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-08 22:43:14,494 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-08 22:43:14,494 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 22:43:14,495 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-08 22:43:14,495 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-08 22:43:14,495 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-08 22:43:14,496 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 22:43:14,496 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 22:43:14,497 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 22:43:14,497 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-08 22:43:14,498 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-08 22:43:14,498 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-08 22:43:14,498 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-08 22:43:14,499 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_b8abf348-466b-45a7-911f-decc1c1f4d8c/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8abf348-466b-45a7-911f-decc1c1f4d8c/bin/ukojak-verify-ImItNfHLgk Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ee450cdb7362593087eaa4f51cf0609baf72f213a54e3b9dfb94348c9a8e8899 [2024-11-08 22:43:14,807 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 22:43:14,844 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 22:43:14,847 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 22:43:14,848 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 22:43:14,849 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 22:43:14,850 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8abf348-466b-45a7-911f-decc1c1f4d8c/bin/ukojak-verify-ImItNfHLgk/../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-49.i Unable to find full path for "g++" [2024-11-08 22:43:16,855 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 22:43:17,081 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 22:43:17,082 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8abf348-466b-45a7-911f-decc1c1f4d8c/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-49.i [2024-11-08 22:43:17,094 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8abf348-466b-45a7-911f-decc1c1f4d8c/bin/ukojak-verify-ImItNfHLgk/data/dea5565cb/9cd4410e142f498d9418165316a76772/FLAG51c2155b6 [2024-11-08 22:43:17,441 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8abf348-466b-45a7-911f-decc1c1f4d8c/bin/ukojak-verify-ImItNfHLgk/data/dea5565cb/9cd4410e142f498d9418165316a76772 [2024-11-08 22:43:17,444 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 22:43:17,446 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 22:43:17,447 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 22:43:17,448 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 22:43:17,453 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 22:43:17,454 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 10:43:17" (1/1) ... [2024-11-08 22:43:17,455 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4f27cb7e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:43:17, skipping insertion in model container [2024-11-08 22:43:17,456 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 10:43:17" (1/1) ... [2024-11-08 22:43:17,482 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 22:43:17,687 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_b8abf348-466b-45a7-911f-decc1c1f4d8c/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-49.i[915,928] [2024-11-08 22:43:17,718 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 22:43:17,728 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 22:43:17,740 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_b8abf348-466b-45a7-911f-decc1c1f4d8c/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-49.i[915,928] [2024-11-08 22:43:17,752 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 22:43:17,772 INFO L204 MainTranslator]: Completed translation [2024-11-08 22:43:17,773 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:43:17 WrapperNode [2024-11-08 22:43:17,773 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 22:43:17,774 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 22:43:17,774 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 22:43:17,774 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 22:43:17,783 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:43:17" (1/1) ... [2024-11-08 22:43:17,791 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:43:17" (1/1) ... [2024-11-08 22:43:17,811 INFO L138 Inliner]: procedures = 26, calls = 21, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 72 [2024-11-08 22:43:17,812 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 22:43:17,812 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 22:43:17,812 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 22:43:17,813 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 22:43:17,828 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:43:17" (1/1) ... [2024-11-08 22:43:17,828 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:43:17" (1/1) ... [2024-11-08 22:43:17,829 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:43:17" (1/1) ... [2024-11-08 22:43:17,830 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:43:17" (1/1) ... [2024-11-08 22:43:17,838 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:43:17" (1/1) ... [2024-11-08 22:43:17,845 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:43:17" (1/1) ... [2024-11-08 22:43:17,846 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:43:17" (1/1) ... [2024-11-08 22:43:17,851 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:43:17" (1/1) ... [2024-11-08 22:43:17,859 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 22:43:17,860 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 22:43:17,861 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 22:43:17,861 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 22:43:17,862 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:43:17" (1/1) ... [2024-11-08 22:43:17,867 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 22:43:17,878 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8abf348-466b-45a7-911f-decc1c1f4d8c/bin/ukojak-verify-ImItNfHLgk/z3 [2024-11-08 22:43:17,890 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8abf348-466b-45a7-911f-decc1c1f4d8c/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-08 22:43:17,893 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8abf348-466b-45a7-911f-decc1c1f4d8c/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-08 22:43:17,917 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-08 22:43:17,918 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-08 22:43:17,918 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-08 22:43:17,918 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-08 22:43:17,918 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 22:43:17,918 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 22:43:17,995 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 22:43:17,999 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 22:43:18,177 INFO L? ?]: Removed 12 outVars from TransFormulas that were not future-live. [2024-11-08 22:43:18,178 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 22:43:18,264 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-08 22:43:18,264 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-08 22:43:18,265 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 10:43:18 BoogieIcfgContainer [2024-11-08 22:43:18,265 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-08 22:43:18,266 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-08 22:43:18,266 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-08 22:43:18,277 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-08 22:43:18,278 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 10:43:18" (1/1) ... [2024-11-08 22:43:18,287 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 22:43:18,372 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:43:18,381 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 22 states and 30 transitions. [2024-11-08 22:43:18,382 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 30 transitions. [2024-11-08 22:43:18,390 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2024-11-08 22:43:18,390 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:43:18,391 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:43:18,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 22:43:18,569 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 22:43:18,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 22:43:18,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 22:43:18,729 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 22:43:18,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 22:43:18,813 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-11-08 22:43:18,865 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 08.11 10:43:18 ImpRootNode [2024-11-08 22:43:18,867 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-08 22:43:18,870 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-08 22:43:18,871 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-08 22:43:18,871 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-08 22:43:18,872 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 10:43:18" (3/4) ... [2024-11-08 22:43:18,876 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-08 22:43:18,878 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-08 22:43:18,881 INFO L158 Benchmark]: Toolchain (without parser) took 1435.03ms. Allocated memory was 142.6MB in the beginning and 203.4MB in the end (delta: 60.8MB). Free memory was 104.0MB in the beginning and 154.4MB in the end (delta: -50.4MB). Peak memory consumption was 11.3MB. Max. memory is 16.1GB. [2024-11-08 22:43:18,882 INFO L158 Benchmark]: CDTParser took 0.27ms. Allocated memory is still 142.6MB. Free memory is still 90.3MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 22:43:18,883 INFO L158 Benchmark]: CACSL2BoogieTranslator took 325.93ms. Allocated memory is still 142.6MB. Free memory was 103.7MB in the beginning and 90.8MB in the end (delta: 12.9MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-11-08 22:43:18,883 INFO L158 Benchmark]: Boogie Procedure Inliner took 37.75ms. Allocated memory is still 142.6MB. Free memory was 90.8MB in the beginning and 89.1MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-08 22:43:18,887 INFO L158 Benchmark]: Boogie Preprocessor took 47.34ms. Allocated memory is still 142.6MB. Free memory was 89.1MB in the beginning and 87.9MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 22:43:18,887 INFO L158 Benchmark]: RCFGBuilder took 404.52ms. Allocated memory is still 142.6MB. Free memory was 87.8MB in the beginning and 72.0MB in the end (delta: 15.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-08 22:43:18,888 INFO L158 Benchmark]: CodeCheck took 602.00ms. Allocated memory was 142.6MB in the beginning and 203.4MB in the end (delta: 60.8MB). Free memory was 72.0MB in the beginning and 154.4MB in the end (delta: -82.3MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 22:43:18,888 INFO L158 Benchmark]: Witness Printer took 9.57ms. Allocated memory is still 203.4MB. Free memory is still 154.4MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 22:43:18,890 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, 22 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.5s, OverallIterations: 1, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: 0 DeclaredPredicates, 0 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 33 NumberOfCodeBlocks, 33 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 someBinaryFLOATComparisonOperation at line 35, overapproximation of someUnaryFLOAToperation at line 35. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] float var_1_1 = 0.25; [L23] signed long int var_1_2 = 64; [L24] signed long int var_1_3 = -1; [L25] signed long int var_1_4 = -256; [L26] float var_1_5 = 3.5; [L27] float var_1_6 = 32.5; [L65] isInitial = 1 [L66] FCALL initially() [L67] COND TRUE 1 [L68] FCALL updateLastVariables() [L69] CALL updateVariables() [L44] var_1_2 = __VERIFIER_nondet_long() [L45] CALL assume_abort_if_not(var_1_2 >= -2147483648) VAL [\old(cond)=1, isInitial=1, var_1_1=1/4, var_1_2=0, var_1_3=-1, var_1_4=-256, var_1_5=7/2, var_1_6=65/2] [L20] COND FALSE !(!cond) [L45] RET assume_abort_if_not(var_1_2 >= -2147483648) VAL [isInitial=1, var_1_1=1/4, var_1_2=0, var_1_3=-1, var_1_4=-256, var_1_5=7/2, var_1_6=65/2] [L46] CALL assume_abort_if_not(var_1_2 <= 2147483647) VAL [\old(cond)=1, isInitial=1, var_1_1=1/4, var_1_2=0, var_1_3=-1, var_1_4=-256, var_1_5=7/2, var_1_6=65/2] [L20] COND FALSE !(!cond) [L46] RET assume_abort_if_not(var_1_2 <= 2147483647) VAL [isInitial=1, var_1_1=1/4, var_1_2=0, var_1_3=-1, var_1_4=-256, var_1_5=7/2, var_1_6=65/2] [L47] var_1_3 = __VERIFIER_nondet_long() [L48] CALL assume_abort_if_not(var_1_3 >= -2147483648) VAL [\old(cond)=1, isInitial=1, var_1_1=1/4, var_1_2=0, var_1_3=0, var_1_4=-256, var_1_5=7/2, var_1_6=65/2] [L20] COND FALSE !(!cond) [L48] RET assume_abort_if_not(var_1_3 >= -2147483648) VAL [isInitial=1, var_1_1=1/4, var_1_2=0, var_1_3=0, var_1_4=-256, var_1_5=7/2, var_1_6=65/2] [L49] CALL assume_abort_if_not(var_1_3 <= 2147483647) VAL [\old(cond)=1, isInitial=1, var_1_1=1/4, var_1_2=0, var_1_3=0, var_1_4=-256, var_1_5=7/2, var_1_6=65/2] [L20] COND FALSE !(!cond) [L49] RET assume_abort_if_not(var_1_3 <= 2147483647) VAL [isInitial=1, var_1_1=1/4, var_1_2=0, var_1_3=0, var_1_4=-256, var_1_5=7/2, var_1_6=65/2] [L50] var_1_4 = __VERIFIER_nondet_long() [L51] CALL assume_abort_if_not(var_1_4 >= -2147483648) VAL [\old(cond)=1, isInitial=1, var_1_1=1/4, var_1_2=0, var_1_3=0, var_1_4=0, var_1_5=7/2, var_1_6=65/2] [L20] COND FALSE !(!cond) [L51] RET assume_abort_if_not(var_1_4 >= -2147483648) VAL [isInitial=1, var_1_1=1/4, var_1_2=0, var_1_3=0, var_1_4=0, var_1_5=7/2, var_1_6=65/2] [L52] CALL assume_abort_if_not(var_1_4 <= 2147483647) VAL [\old(cond)=1, isInitial=1, var_1_1=1/4, var_1_2=0, var_1_3=0, var_1_4=0, var_1_5=7/2, var_1_6=65/2] [L20] COND FALSE !(!cond) [L52] RET assume_abort_if_not(var_1_4 <= 2147483647) VAL [isInitial=1, var_1_1=1/4, var_1_2=0, var_1_3=0, var_1_4=0, var_1_5=7/2, var_1_6=65/2] [L53] var_1_5 = __VERIFIER_nondet_float() [L54] CALL assume_abort_if_not((var_1_5 >= -922337.2036854765600e+13F && var_1_5 <= -1.0e-20F) || (var_1_5 <= 9223372.036854765600e+12F && var_1_5 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_1=1/4, var_1_2=0, var_1_3=0, var_1_4=0, var_1_6=65/2] [L20] COND FALSE !(!cond) [L54] RET assume_abort_if_not((var_1_5 >= -922337.2036854765600e+13F && var_1_5 <= -1.0e-20F) || (var_1_5 <= 9223372.036854765600e+12F && var_1_5 >= 1.0e-20F )) VAL [isInitial=1, var_1_1=1/4, var_1_2=0, var_1_3=0, var_1_4=0, var_1_6=65/2] [L55] var_1_6 = __VERIFIER_nondet_float() [L56] CALL assume_abort_if_not((var_1_6 >= -922337.2036854765600e+13F && var_1_6 <= -1.0e-20F) || (var_1_6 <= 9223372.036854765600e+12F && var_1_6 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_1=1/4, var_1_2=0, var_1_3=0, var_1_4=0] [L20] COND FALSE !(!cond) [L56] RET assume_abort_if_not((var_1_6 >= -922337.2036854765600e+13F && var_1_6 <= -1.0e-20F) || (var_1_6 <= 9223372.036854765600e+12F && var_1_6 >= 1.0e-20F )) VAL [isInitial=1, var_1_1=1/4, var_1_2=0, var_1_3=0, var_1_4=0] [L69] RET updateVariables() [L70] CALL step() [L31] signed long int stepLocal_1 = var_1_2; [L32] signed long int stepLocal_0 = var_1_2; [L33] COND TRUE -100000 <= stepLocal_1 [L34] COND TRUE stepLocal_0 <= (var_1_3 + var_1_4) [L35] var_1_1 = ((((var_1_5) < 0 ) ? -(var_1_5) : (var_1_5))) [L70] RET step() [L71] CALL, EXPR property() [L61-L62] return (-100000 <= var_1_2) ? ((var_1_2 <= (var_1_3 + var_1_4)) ? (var_1_1 == ((float) ((((var_1_5) < 0 ) ? -(var_1_5) : (var_1_5))))) : (var_1_1 == ((float) ((((var_1_5) > (var_1_6)) ? (var_1_5) : (var_1_6)))))) : (var_1_1 == ((float) var_1_6)) ; [L71] RET, EXPR property() [L71] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [isInitial=1, var_1_1=2, var_1_2=0, var_1_3=0, var_1_4=0, var_1_5=0, var_1_6=0] [L19] reach_error() VAL [isInitial=1, var_1_1=2, var_1_2=0, var_1_3=0, var_1_4=0, var_1_5=0, var_1_6=0] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27ms. Allocated memory is still 142.6MB. Free memory is still 90.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 325.93ms. Allocated memory is still 142.6MB. Free memory was 103.7MB in the beginning and 90.8MB in the end (delta: 12.9MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 37.75ms. Allocated memory is still 142.6MB. Free memory was 90.8MB in the beginning and 89.1MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 47.34ms. Allocated memory is still 142.6MB. Free memory was 89.1MB in the beginning and 87.9MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 404.52ms. Allocated memory is still 142.6MB. Free memory was 87.8MB in the beginning and 72.0MB in the end (delta: 15.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 602.00ms. Allocated memory was 142.6MB in the beginning and 203.4MB in the end (delta: 60.8MB). Free memory was 72.0MB in the beginning and 154.4MB in the end (delta: -82.3MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 9.57ms. Allocated memory is still 203.4MB. Free memory is still 154.4MB. There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-08 22:43:18,925 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8abf348-466b-45a7-911f-decc1c1f4d8c/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_b8abf348-466b-45a7-911f-decc1c1f4d8c/bin/ukojak-verify-ImItNfHLgk/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8abf348-466b-45a7-911f-decc1c1f4d8c/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_b8abf348-466b-45a7-911f-decc1c1f4d8c/bin/ukojak-verify-ImItNfHLgk/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8abf348-466b-45a7-911f-decc1c1f4d8c/bin/ukojak-verify-ImItNfHLgk/config/KojakReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-49.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8abf348-466b-45a7-911f-decc1c1f4d8c/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_b8abf348-466b-45a7-911f-decc1c1f4d8c/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 ee450cdb7362593087eaa4f51cf0609baf72f213a54e3b9dfb94348c9a8e8899 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-08 22:43:21,319 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 22:43:21,426 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8abf348-466b-45a7-911f-decc1c1f4d8c/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2024-11-08 22:43:21,472 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 22:43:21,473 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-08 22:43:21,474 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-08 22:43:21,475 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 22:43:21,475 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 22:43:21,476 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 22:43:21,476 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-08 22:43:21,476 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-08 22:43:21,477 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-08 22:43:21,477 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 22:43:21,477 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-08 22:43:21,478 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-08 22:43:21,478 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-08 22:43:21,478 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-08 22:43:21,481 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-08 22:43:21,482 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 22:43:21,482 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-08 22:43:21,486 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-08 22:43:21,487 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-08 22:43:21,487 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 22:43:21,487 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-08 22:43:21,488 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-08 22:43:21,488 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-08 22:43:21,488 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-11-08 22:43:21,488 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-11-08 22:43:21,488 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 22:43:21,489 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 22:43:21,489 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 22:43:21,489 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-08 22:43:21,489 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-08 22:43:21,490 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-08 22:43:21,490 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-08 22:43:21,490 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-11-08 22:43:21,491 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_b8abf348-466b-45a7-911f-decc1c1f4d8c/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8abf348-466b-45a7-911f-decc1c1f4d8c/bin/ukojak-verify-ImItNfHLgk Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ee450cdb7362593087eaa4f51cf0609baf72f213a54e3b9dfb94348c9a8e8899 [2024-11-08 22:43:21,909 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 22:43:21,938 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 22:43:21,942 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 22:43:21,944 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 22:43:21,945 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 22:43:21,947 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8abf348-466b-45a7-911f-decc1c1f4d8c/bin/ukojak-verify-ImItNfHLgk/../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-49.i Unable to find full path for "g++" [2024-11-08 22:43:24,014 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 22:43:24,293 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 22:43:24,293 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8abf348-466b-45a7-911f-decc1c1f4d8c/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-49.i [2024-11-08 22:43:24,308 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8abf348-466b-45a7-911f-decc1c1f4d8c/bin/ukojak-verify-ImItNfHLgk/data/68e4e5f37/37615f8c33c240c684e61c01be4ca17d/FLAGda7330a9c [2024-11-08 22:43:24,332 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8abf348-466b-45a7-911f-decc1c1f4d8c/bin/ukojak-verify-ImItNfHLgk/data/68e4e5f37/37615f8c33c240c684e61c01be4ca17d [2024-11-08 22:43:24,335 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 22:43:24,337 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 22:43:24,338 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 22:43:24,338 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 22:43:24,344 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 22:43:24,345 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 10:43:24" (1/1) ... [2024-11-08 22:43:24,346 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@54b241a7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:43:24, skipping insertion in model container [2024-11-08 22:43:24,346 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 10:43:24" (1/1) ... [2024-11-08 22:43:24,373 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 22:43:24,616 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_b8abf348-466b-45a7-911f-decc1c1f4d8c/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-49.i[915,928] [2024-11-08 22:43:24,667 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 22:43:24,686 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 22:43:24,701 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_b8abf348-466b-45a7-911f-decc1c1f4d8c/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-49.i[915,928] [2024-11-08 22:43:24,717 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 22:43:24,746 INFO L204 MainTranslator]: Completed translation [2024-11-08 22:43:24,747 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:43:24 WrapperNode [2024-11-08 22:43:24,747 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 22:43:24,748 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 22:43:24,748 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 22:43:24,748 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 22:43:24,756 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:43:24" (1/1) ... [2024-11-08 22:43:24,770 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:43:24" (1/1) ... [2024-11-08 22:43:24,796 INFO L138 Inliner]: procedures = 27, calls = 21, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 69 [2024-11-08 22:43:24,797 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 22:43:24,798 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 22:43:24,799 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 22:43:24,800 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 22:43:24,827 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:43:24" (1/1) ... [2024-11-08 22:43:24,828 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:43:24" (1/1) ... [2024-11-08 22:43:24,830 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:43:24" (1/1) ... [2024-11-08 22:43:24,830 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:43:24" (1/1) ... [2024-11-08 22:43:24,837 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:43:24" (1/1) ... [2024-11-08 22:43:24,841 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:43:24" (1/1) ... [2024-11-08 22:43:24,843 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:43:24" (1/1) ... [2024-11-08 22:43:24,844 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:43:24" (1/1) ... [2024-11-08 22:43:24,847 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 22:43:24,848 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 22:43:24,848 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 22:43:24,848 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 22:43:24,849 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:43:24" (1/1) ... [2024-11-08 22:43:24,859 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 22:43:24,892 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8abf348-466b-45a7-911f-decc1c1f4d8c/bin/ukojak-verify-ImItNfHLgk/z3 [2024-11-08 22:43:24,907 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8abf348-466b-45a7-911f-decc1c1f4d8c/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-08 22:43:24,915 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8abf348-466b-45a7-911f-decc1c1f4d8c/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-08 22:43:24,949 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-08 22:43:24,950 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-11-08 22:43:24,950 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-08 22:43:24,950 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-08 22:43:24,951 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 22:43:24,951 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 22:43:25,043 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 22:43:25,046 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 22:43:25,271 INFO L? ?]: Removed 12 outVars from TransFormulas that were not future-live. [2024-11-08 22:43:25,275 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 22:43:25,365 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-08 22:43:25,365 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-08 22:43:25,366 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 10:43:25 BoogieIcfgContainer [2024-11-08 22:43:25,366 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-08 22:43:25,367 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-08 22:43:25,367 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-08 22:43:25,378 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-08 22:43:25,379 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 10:43:25" (1/1) ... [2024-11-08 22:43:25,389 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 22:43:25,447 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:43:25,456 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 22 states and 30 transitions. [2024-11-08 22:43:25,456 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 30 transitions. [2024-11-08 22:43:25,462 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2024-11-08 22:43:25,464 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:43:25,464 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:43:25,465 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8abf348-466b-45a7-911f-decc1c1f4d8c/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:43:25,481 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8abf348-466b-45a7-911f-decc1c1f4d8c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:43:25,484 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8abf348-466b-45a7-911f-decc1c1f4d8c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-11-08 22:43:25,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:43:25,898 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:43:25,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:43:25,969 INFO L255 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-08 22:43:25,977 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:43:33,109 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 20 proven. 4 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-08 22:43:33,115 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8abf348-466b-45a7-911f-decc1c1f4d8c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-11-08 22:43:33,879 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:43:33,880 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 38 states and 58 transitions. [2024-11-08 22:43:33,880 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 58 transitions. [2024-11-08 22:43:33,882 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2024-11-08 22:43:33,882 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:43:33,882 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:43:33,882 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8abf348-466b-45a7-911f-decc1c1f4d8c/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:43:33,885 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8abf348-466b-45a7-911f-decc1c1f4d8c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:43:33,889 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8abf348-466b-45a7-911f-decc1c1f4d8c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2024-11-08 22:43:34,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:43:34,168 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:43:34,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:43:34,213 INFO L255 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-08 22:43:34,217 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:43:38,784 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 20 proven. 4 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-08 22:43:38,792 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8abf348-466b-45a7-911f-decc1c1f4d8c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (3)] Ended with exit code 0 [2024-11-08 22:43:39,030 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:43:39,031 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 38 states and 58 transitions. [2024-11-08 22:43:39,032 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 58 transitions. [2024-11-08 22:43:39,033 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2024-11-08 22:43:39,033 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:43:39,033 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:43:39,034 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8abf348-466b-45a7-911f-decc1c1f4d8c/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:43:39,037 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8abf348-466b-45a7-911f-decc1c1f4d8c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:43:39,042 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8abf348-466b-45a7-911f-decc1c1f4d8c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2024-11-08 22:43:39,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:43:39,352 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:43:39,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:43:39,410 INFO L255 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-08 22:43:39,412 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:43:42,748 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 20 proven. 4 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-08 22:43:42,751 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8abf348-466b-45a7-911f-decc1c1f4d8c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (4)] Forceful destruction successful, exit code 0 [2024-11-08 22:43:42,765 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:43:42,766 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 38 states and 58 transitions. [2024-11-08 22:43:42,766 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 58 transitions. [2024-11-08 22:43:42,767 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2024-11-08 22:43:42,768 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:43:42,768 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:43:42,768 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8abf348-466b-45a7-911f-decc1c1f4d8c/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:43:42,769 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8abf348-466b-45a7-911f-decc1c1f4d8c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:43:42,770 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8abf348-466b-45a7-911f-decc1c1f4d8c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (5)] Waiting until timeout for monitored process [2024-11-08 22:43:42,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:43:42,985 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:43:43,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:43:43,028 INFO L255 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-08 22:43:43,030 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:43:46,611 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 20 proven. 4 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-08 22:43:46,615 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8abf348-466b-45a7-911f-decc1c1f4d8c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (5)] Ended with exit code 0 [2024-11-08 22:43:46,637 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:43:46,638 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 38 states and 58 transitions. [2024-11-08 22:43:46,638 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 58 transitions. [2024-11-08 22:43:46,639 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2024-11-08 22:43:46,639 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:43:46,639 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:43:46,642 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8abf348-466b-45a7-911f-decc1c1f4d8c/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:43:46,645 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8abf348-466b-45a7-911f-decc1c1f4d8c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:43:46,646 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8abf348-466b-45a7-911f-decc1c1f4d8c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (6)] Waiting until timeout for monitored process [2024-11-08 22:43:46,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:43:46,867 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:43:46,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:43:46,907 INFO L255 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 22:43:46,909 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:43:52,093 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 20 proven. 4 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-08 22:43:52,096 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8abf348-466b-45a7-911f-decc1c1f4d8c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (6)] Ended with exit code 0 [2024-11-08 22:43:53,281 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:43:53,282 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 41 states and 64 transitions. [2024-11-08 22:43:53,282 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 64 transitions. [2024-11-08 22:43:53,284 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2024-11-08 22:43:53,287 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:43:53,288 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:43:53,288 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8abf348-466b-45a7-911f-decc1c1f4d8c/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:43:53,290 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8abf348-466b-45a7-911f-decc1c1f4d8c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:43:53,292 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8abf348-466b-45a7-911f-decc1c1f4d8c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (7)] Waiting until timeout for monitored process [2024-11-08 22:43:53,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:43:53,500 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:43:53,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:43:53,539 INFO L255 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 22:43:53,542 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:43:58,263 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 20 proven. 4 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-08 22:43:58,267 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8abf348-466b-45a7-911f-decc1c1f4d8c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (7)] Forceful destruction successful, exit code 0 [2024-11-08 22:43:59,052 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:43:59,054 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 43 states and 77 transitions. [2024-11-08 22:43:59,054 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 77 transitions. [2024-11-08 22:43:59,055 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2024-11-08 22:43:59,055 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:43:59,055 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:43:59,056 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8abf348-466b-45a7-911f-decc1c1f4d8c/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:43:59,057 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8abf348-466b-45a7-911f-decc1c1f4d8c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:43:59,059 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8abf348-466b-45a7-911f-decc1c1f4d8c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (8)] Waiting until timeout for monitored process [2024-11-08 22:43:59,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:43:59,266 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:43:59,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:43:59,312 INFO L255 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-08 22:43:59,314 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:44:02,580 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 20 proven. 4 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-08 22:44:02,586 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8abf348-466b-45a7-911f-decc1c1f4d8c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (8)] Ended with exit code 0 [2024-11-08 22:44:02,600 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:44:02,603 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 43 states and 77 transitions. [2024-11-08 22:44:02,604 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 77 transitions. [2024-11-08 22:44:02,605 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2024-11-08 22:44:02,606 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:44:02,606 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:44:02,606 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8abf348-466b-45a7-911f-decc1c1f4d8c/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:44:02,610 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8abf348-466b-45a7-911f-decc1c1f4d8c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:44:02,611 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8abf348-466b-45a7-911f-decc1c1f4d8c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (9)] Waiting until timeout for monitored process [2024-11-08 22:44:02,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:44:02,845 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:44:02,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:44:02,877 INFO L255 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-08 22:44:02,879 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:44:06,120 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 20 proven. 4 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-08 22:44:06,125 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8abf348-466b-45a7-911f-decc1c1f4d8c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (9)] Ended with exit code 0 [2024-11-08 22:44:06,134 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:44:06,135 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 43 states and 77 transitions. [2024-11-08 22:44:06,135 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 77 transitions. [2024-11-08 22:44:06,136 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2024-11-08 22:44:06,136 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:44:06,136 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:44:06,137 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8abf348-466b-45a7-911f-decc1c1f4d8c/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:44:06,139 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8abf348-466b-45a7-911f-decc1c1f4d8c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:44:06,141 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8abf348-466b-45a7-911f-decc1c1f4d8c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (10)] Waiting until timeout for monitored process [2024-11-08 22:44:06,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:44:06,349 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:44:06,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:44:06,381 INFO L255 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-08 22:44:06,383 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:44:09,716 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 20 proven. 4 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-08 22:44:09,720 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8abf348-466b-45a7-911f-decc1c1f4d8c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (10)] Ended with exit code 0 [2024-11-08 22:44:09,729 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:44:09,731 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 43 states and 77 transitions. [2024-11-08 22:44:09,731 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 77 transitions. [2024-11-08 22:44:09,732 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2024-11-08 22:44:09,732 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:44:09,732 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:44:09,732 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8abf348-466b-45a7-911f-decc1c1f4d8c/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:44:09,735 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8abf348-466b-45a7-911f-decc1c1f4d8c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:44:09,736 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8abf348-466b-45a7-911f-decc1c1f4d8c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (11)] Waiting until timeout for monitored process [2024-11-08 22:44:09,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:44:09,943 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:44:09,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:44:09,972 INFO L255 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-08 22:44:09,974 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:44:13,271 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 20 proven. 4 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-08 22:44:13,275 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8abf348-466b-45a7-911f-decc1c1f4d8c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (11)] Forceful destruction successful, exit code 0 [2024-11-08 22:44:13,285 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:44:13,287 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 43 states and 77 transitions. [2024-11-08 22:44:13,287 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 77 transitions. [2024-11-08 22:44:13,288 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2024-11-08 22:44:13,288 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:44:13,288 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:44:13,289 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8abf348-466b-45a7-911f-decc1c1f4d8c/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:44:13,292 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8abf348-466b-45a7-911f-decc1c1f4d8c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:44:13,293 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8abf348-466b-45a7-911f-decc1c1f4d8c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (12)] Waiting until timeout for monitored process [2024-11-08 22:44:13,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:44:13,531 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:44:13,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:44:13,562 INFO L255 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-08 22:44:13,563 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:44:16,730 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 20 proven. 4 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-08 22:44:16,733 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8abf348-466b-45a7-911f-decc1c1f4d8c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (12)] Forceful destruction successful, exit code 0 [2024-11-08 22:44:16,740 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:44:16,741 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 43 states and 77 transitions. [2024-11-08 22:44:16,741 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 77 transitions. [2024-11-08 22:44:16,746 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2024-11-08 22:44:16,746 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:44:16,746 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:44:16,746 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8abf348-466b-45a7-911f-decc1c1f4d8c/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:44:16,749 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8abf348-466b-45a7-911f-decc1c1f4d8c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:44:16,752 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8abf348-466b-45a7-911f-decc1c1f4d8c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (13)] Waiting until timeout for monitored process [2024-11-08 22:44:16,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:44:16,957 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:44:16,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:44:16,997 INFO L255 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 22:44:16,999 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:44:21,512 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 20 proven. 4 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-08 22:44:21,515 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8abf348-466b-45a7-911f-decc1c1f4d8c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (13)] Ended with exit code 0 [2024-11-08 22:44:21,525 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:44:21,526 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 43 states and 77 transitions. [2024-11-08 22:44:21,526 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 77 transitions. [2024-11-08 22:44:21,527 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2024-11-08 22:44:21,527 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:44:21,527 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:44:21,528 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8abf348-466b-45a7-911f-decc1c1f4d8c/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:44:21,532 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8abf348-466b-45a7-911f-decc1c1f4d8c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:44:21,536 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8abf348-466b-45a7-911f-decc1c1f4d8c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (14)] Waiting until timeout for monitored process [2024-11-08 22:44:21,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:44:21,816 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:44:21,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:44:21,848 INFO L255 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-08 22:44:21,850 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:44:25,168 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 20 proven. 4 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-08 22:44:25,171 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8abf348-466b-45a7-911f-decc1c1f4d8c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (14)] Forceful destruction successful, exit code 0 [2024-11-08 22:44:25,176 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:44:25,177 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 43 states and 77 transitions. [2024-11-08 22:44:25,177 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 77 transitions. [2024-11-08 22:44:25,178 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2024-11-08 22:44:25,178 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:44:25,178 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:44:25,178 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8abf348-466b-45a7-911f-decc1c1f4d8c/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:44:25,181 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8abf348-466b-45a7-911f-decc1c1f4d8c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:44:25,183 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8abf348-466b-45a7-911f-decc1c1f4d8c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (15)] Waiting until timeout for monitored process [2024-11-08 22:44:25,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:44:25,393 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:44:25,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:44:25,474 INFO L255 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 22:44:25,476 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:44:30,115 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 20 proven. 4 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-08 22:44:30,118 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8abf348-466b-45a7-911f-decc1c1f4d8c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (15)] Forceful destruction successful, exit code 0 [2024-11-08 22:44:30,125 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:44:30,125 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 43 states and 77 transitions. [2024-11-08 22:44:30,125 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 77 transitions. [2024-11-08 22:44:30,126 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2024-11-08 22:44:30,126 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:44:30,127 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:44:30,127 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8abf348-466b-45a7-911f-decc1c1f4d8c/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:44:30,129 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8abf348-466b-45a7-911f-decc1c1f4d8c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:44:30,130 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8abf348-466b-45a7-911f-decc1c1f4d8c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (16)] Waiting until timeout for monitored process [2024-11-08 22:44:30,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:44:30,336 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:44:30,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:44:30,366 INFO L255 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-08 22:44:30,367 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:44:33,645 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 20 proven. 4 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-08 22:44:33,648 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8abf348-466b-45a7-911f-decc1c1f4d8c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (16)] Forceful destruction successful, exit code 0 [2024-11-08 22:44:33,661 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:44:33,662 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 43 states and 77 transitions. [2024-11-08 22:44:33,662 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 77 transitions. [2024-11-08 22:44:33,662 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2024-11-08 22:44:33,662 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:44:33,663 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:44:33,663 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8abf348-466b-45a7-911f-decc1c1f4d8c/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:44:33,669 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8abf348-466b-45a7-911f-decc1c1f4d8c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:44:33,671 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8abf348-466b-45a7-911f-decc1c1f4d8c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (17)] Waiting until timeout for monitored process [2024-11-08 22:44:33,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:44:33,911 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:44:33,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:44:33,962 INFO L255 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-08 22:44:33,964 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:44:37,154 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 20 proven. 4 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-08 22:44:37,158 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8abf348-466b-45a7-911f-decc1c1f4d8c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (17)] Ended with exit code 0 [2024-11-08 22:44:37,169 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:44:37,170 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 43 states and 77 transitions. [2024-11-08 22:44:37,170 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 77 transitions. [2024-11-08 22:44:37,171 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2024-11-08 22:44:37,171 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:44:37,171 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:44:37,171 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8abf348-466b-45a7-911f-decc1c1f4d8c/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:44:37,174 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8abf348-466b-45a7-911f-decc1c1f4d8c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:44:37,175 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8abf348-466b-45a7-911f-decc1c1f4d8c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (18)] Waiting until timeout for monitored process [2024-11-08 22:44:37,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:44:37,388 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:44:37,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:44:37,416 INFO L255 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 22:44:37,417 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:44:41,824 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 20 proven. 4 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-08 22:44:41,827 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8abf348-466b-45a7-911f-decc1c1f4d8c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (18)] Ended with exit code 0 [2024-11-08 22:44:41,832 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:44:41,833 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 43 states and 77 transitions. [2024-11-08 22:44:41,833 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 77 transitions. [2024-11-08 22:44:41,834 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2024-11-08 22:44:41,834 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:44:41,834 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:44:41,834 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8abf348-466b-45a7-911f-decc1c1f4d8c/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:44:41,838 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8abf348-466b-45a7-911f-decc1c1f4d8c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:44:41,839 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8abf348-466b-45a7-911f-decc1c1f4d8c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (19)] Waiting until timeout for monitored process [2024-11-08 22:44:42,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:44:42,049 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:44:42,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:44:42,080 INFO L255 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-08 22:44:42,081 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:44:45,456 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 20 proven. 4 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-08 22:44:45,463 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8abf348-466b-45a7-911f-decc1c1f4d8c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (19)] Forceful destruction successful, exit code 0 [2024-11-08 22:44:45,480 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:44:45,480 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 43 states and 77 transitions. [2024-11-08 22:44:45,480 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 77 transitions. [2024-11-08 22:44:45,481 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2024-11-08 22:44:45,481 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:44:45,481 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:44:45,481 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8abf348-466b-45a7-911f-decc1c1f4d8c/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:44:45,482 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8abf348-466b-45a7-911f-decc1c1f4d8c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:44:45,484 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8abf348-466b-45a7-911f-decc1c1f4d8c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (20)] Waiting until timeout for monitored process [2024-11-08 22:44:45,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:44:45,684 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:44:45,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:44:45,712 INFO L255 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 22:44:45,713 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:44:50,195 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 20 proven. 4 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-08 22:44:50,198 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8abf348-466b-45a7-911f-decc1c1f4d8c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (20)] Forceful destruction successful, exit code 0 [2024-11-08 22:44:50,204 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:44:50,205 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 43 states and 77 transitions. [2024-11-08 22:44:50,205 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 77 transitions. [2024-11-08 22:44:50,206 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2024-11-08 22:44:50,206 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:44:50,206 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:44:50,206 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8abf348-466b-45a7-911f-decc1c1f4d8c/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:44:50,209 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8abf348-466b-45a7-911f-decc1c1f4d8c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:44:50,211 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8abf348-466b-45a7-911f-decc1c1f4d8c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (21)] Waiting until timeout for monitored process [2024-11-08 22:44:50,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:44:50,421 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:44:50,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:44:50,451 INFO L255 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-08 22:44:50,452 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:44:53,701 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 20 proven. 4 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-08 22:44:53,704 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8abf348-466b-45a7-911f-decc1c1f4d8c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (21)] Ended with exit code 0 [2024-11-08 22:44:53,716 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:44:53,716 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 43 states and 77 transitions. [2024-11-08 22:44:53,716 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 77 transitions. [2024-11-08 22:44:53,717 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2024-11-08 22:44:53,717 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:44:53,717 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:44:53,717 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8abf348-466b-45a7-911f-decc1c1f4d8c/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:44:53,720 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8abf348-466b-45a7-911f-decc1c1f4d8c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:44:53,731 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8abf348-466b-45a7-911f-decc1c1f4d8c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (22)] Waiting until timeout for monitored process [2024-11-08 22:44:53,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:44:53,941 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:44:53,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:44:53,994 INFO L255 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-08 22:44:53,995 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:44:57,233 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 20 proven. 4 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-08 22:44:57,236 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8abf348-466b-45a7-911f-decc1c1f4d8c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (22)] Forceful destruction successful, exit code 0 [2024-11-08 22:44:57,245 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:44:57,245 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 43 states and 77 transitions. [2024-11-08 22:44:57,245 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 77 transitions. [2024-11-08 22:44:57,246 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2024-11-08 22:44:57,246 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:44:57,246 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:44:57,246 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8abf348-466b-45a7-911f-decc1c1f4d8c/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:44:57,248 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8abf348-466b-45a7-911f-decc1c1f4d8c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:44:57,249 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8abf348-466b-45a7-911f-decc1c1f4d8c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (23)] Waiting until timeout for monitored process [2024-11-08 22:44:57,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:44:57,455 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:44:57,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:44:57,485 INFO L255 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 22:44:57,486 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:45:02,002 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 20 proven. 4 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-08 22:45:02,005 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8abf348-466b-45a7-911f-decc1c1f4d8c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (23)] Ended with exit code 0 [2024-11-08 22:45:02,012 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:45:02,012 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 43 states and 77 transitions. [2024-11-08 22:45:02,012 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 77 transitions. [2024-11-08 22:45:02,013 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2024-11-08 22:45:02,013 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:45:02,013 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:45:02,013 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8abf348-466b-45a7-911f-decc1c1f4d8c/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:45:02,014 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8abf348-466b-45a7-911f-decc1c1f4d8c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:45:02,016 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8abf348-466b-45a7-911f-decc1c1f4d8c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (24)] Waiting until timeout for monitored process [2024-11-08 22:45:02,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:45:02,222 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:45:02,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:45:02,254 INFO L255 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-08 22:45:02,255 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:45:05,466 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 20 proven. 4 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-08 22:45:05,470 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8abf348-466b-45a7-911f-decc1c1f4d8c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (24)] Ended with exit code 0 [2024-11-08 22:45:05,484 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:45:05,485 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 43 states and 77 transitions. [2024-11-08 22:45:05,485 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 77 transitions. [2024-11-08 22:45:05,488 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2024-11-08 22:45:05,488 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:45:05,488 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:45:05,489 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8abf348-466b-45a7-911f-decc1c1f4d8c/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:45:05,491 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8abf348-466b-45a7-911f-decc1c1f4d8c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:45:05,492 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8abf348-466b-45a7-911f-decc1c1f4d8c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (25)] Waiting until timeout for monitored process [2024-11-08 22:45:05,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:45:05,795 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:45:05,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:45:05,823 INFO L255 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-08 22:45:05,825 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:45:09,032 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 20 proven. 4 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-08 22:45:09,035 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8abf348-466b-45a7-911f-decc1c1f4d8c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (25)] Forceful destruction successful, exit code 0 [2024-11-08 22:45:09,047 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:45:09,048 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 43 states and 77 transitions. [2024-11-08 22:45:09,048 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 77 transitions. [2024-11-08 22:45:09,049 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2024-11-08 22:45:09,049 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:45:09,049 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:45:09,049 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8abf348-466b-45a7-911f-decc1c1f4d8c/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:45:09,052 INFO L229 MonitoredProcess]: Starting monitored process 26 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8abf348-466b-45a7-911f-decc1c1f4d8c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:45:09,052 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8abf348-466b-45a7-911f-decc1c1f4d8c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (26)] Waiting until timeout for monitored process [2024-11-08 22:45:09,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:45:09,310 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:45:09,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:45:09,344 INFO L255 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-08 22:45:09,345 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:45:12,541 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 20 proven. 4 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-08 22:45:12,545 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8abf348-466b-45a7-911f-decc1c1f4d8c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (26)] Ended with exit code 0 [2024-11-08 22:45:12,557 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:45:12,557 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 43 states and 77 transitions. [2024-11-08 22:45:12,558 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 77 transitions. [2024-11-08 22:45:12,558 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2024-11-08 22:45:12,558 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:45:12,558 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:45:12,559 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8abf348-466b-45a7-911f-decc1c1f4d8c/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:45:12,568 INFO L229 MonitoredProcess]: Starting monitored process 27 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8abf348-466b-45a7-911f-decc1c1f4d8c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:45:12,570 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8abf348-466b-45a7-911f-decc1c1f4d8c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (27)] Waiting until timeout for monitored process [2024-11-08 22:45:12,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:45:12,830 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:45:12,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:45:12,856 INFO L255 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-08 22:45:12,857 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:45:16,086 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 20 proven. 4 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-08 22:45:16,092 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8abf348-466b-45a7-911f-decc1c1f4d8c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (27)] Forceful destruction successful, exit code 0 [2024-11-08 22:45:16,103 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:45:16,104 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 43 states and 77 transitions. [2024-11-08 22:45:16,104 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 77 transitions. [2024-11-08 22:45:16,105 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2024-11-08 22:45:16,105 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:45:16,105 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:45:16,105 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8abf348-466b-45a7-911f-decc1c1f4d8c/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:45:16,108 INFO L229 MonitoredProcess]: Starting monitored process 28 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8abf348-466b-45a7-911f-decc1c1f4d8c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:45:16,109 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8abf348-466b-45a7-911f-decc1c1f4d8c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (28)] Waiting until timeout for monitored process [2024-11-08 22:45:16,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:45:16,339 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:45:16,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:45:16,375 INFO L255 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-08 22:45:16,376 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:45:19,558 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 20 proven. 4 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-08 22:45:19,561 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8abf348-466b-45a7-911f-decc1c1f4d8c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (28)] Forceful destruction successful, exit code 0 [2024-11-08 22:45:19,571 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:45:19,571 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 43 states and 77 transitions. [2024-11-08 22:45:19,571 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 77 transitions. [2024-11-08 22:45:19,572 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2024-11-08 22:45:19,572 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:45:19,572 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:45:19,572 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8abf348-466b-45a7-911f-decc1c1f4d8c/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:45:19,574 INFO L229 MonitoredProcess]: Starting monitored process 29 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8abf348-466b-45a7-911f-decc1c1f4d8c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:45:19,575 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8abf348-466b-45a7-911f-decc1c1f4d8c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (29)] Waiting until timeout for monitored process [2024-11-08 22:45:19,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:45:19,792 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:45:19,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:45:19,823 INFO L255 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-08 22:45:19,825 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:45:23,101 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 20 proven. 4 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-08 22:45:23,104 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8abf348-466b-45a7-911f-decc1c1f4d8c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (29)] Forceful destruction successful, exit code 0 [2024-11-08 22:45:23,114 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:45:23,114 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 43 states and 77 transitions. [2024-11-08 22:45:23,114 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 77 transitions. [2024-11-08 22:45:23,115 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2024-11-08 22:45:23,115 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:45:23,115 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:45:23,115 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8abf348-466b-45a7-911f-decc1c1f4d8c/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:45:23,119 INFO L229 MonitoredProcess]: Starting monitored process 30 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8abf348-466b-45a7-911f-decc1c1f4d8c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:45:23,121 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8abf348-466b-45a7-911f-decc1c1f4d8c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (30)] Waiting until timeout for monitored process [2024-11-08 22:45:23,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:45:23,325 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:45:23,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:45:23,358 INFO L255 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-08 22:45:23,359 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:45:26,537 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 20 proven. 4 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-08 22:45:26,540 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8abf348-466b-45a7-911f-decc1c1f4d8c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (30)] Ended with exit code 0 [2024-11-08 22:45:26,551 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:45:26,552 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 43 states and 77 transitions. [2024-11-08 22:45:26,552 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 77 transitions. [2024-11-08 22:45:26,552 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2024-11-08 22:45:26,552 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:45:26,552 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:45:26,553 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8abf348-466b-45a7-911f-decc1c1f4d8c/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:45:26,556 INFO L229 MonitoredProcess]: Starting monitored process 31 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8abf348-466b-45a7-911f-decc1c1f4d8c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:45:26,559 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8abf348-466b-45a7-911f-decc1c1f4d8c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (31)] Waiting until timeout for monitored process [2024-11-08 22:45:26,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:45:26,774 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:45:26,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:45:26,820 INFO L255 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-08 22:45:26,821 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:45:30,010 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 20 proven. 4 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-08 22:45:30,014 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8abf348-466b-45a7-911f-decc1c1f4d8c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (31)] Forceful destruction successful, exit code 0 [2024-11-08 22:45:30,020 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:45:30,020 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 43 states and 77 transitions. [2024-11-08 22:45:30,020 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 77 transitions. [2024-11-08 22:45:30,021 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2024-11-08 22:45:30,021 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:45:30,021 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:45:30,021 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8abf348-466b-45a7-911f-decc1c1f4d8c/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:45:30,022 INFO L229 MonitoredProcess]: Starting monitored process 32 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8abf348-466b-45a7-911f-decc1c1f4d8c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:45:30,024 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8abf348-466b-45a7-911f-decc1c1f4d8c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (32)] Waiting until timeout for monitored process [2024-11-08 22:45:30,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:45:30,230 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:45:30,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:45:30,261 INFO L255 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-08 22:45:30,262 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:45:33,507 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 20 proven. 4 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-08 22:45:33,510 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8abf348-466b-45a7-911f-decc1c1f4d8c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (32)] Ended with exit code 0 [2024-11-08 22:45:33,516 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:45:33,516 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 43 states and 77 transitions. [2024-11-08 22:45:33,516 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 77 transitions. [2024-11-08 22:45:33,516 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2024-11-08 22:45:33,517 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:45:33,517 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:45:33,517 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8abf348-466b-45a7-911f-decc1c1f4d8c/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:45:33,518 INFO L229 MonitoredProcess]: Starting monitored process 33 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8abf348-466b-45a7-911f-decc1c1f4d8c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:45:33,520 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8abf348-466b-45a7-911f-decc1c1f4d8c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (33)] Waiting until timeout for monitored process [2024-11-08 22:45:33,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:45:33,728 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:45:33,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:45:33,761 INFO L255 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 22:45:33,762 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:45:38,335 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 20 proven. 4 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-08 22:45:38,338 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8abf348-466b-45a7-911f-decc1c1f4d8c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (33)] Ended with exit code 0 [2024-11-08 22:45:38,345 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:45:38,345 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 43 states and 77 transitions. [2024-11-08 22:45:38,346 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 77 transitions. [2024-11-08 22:45:38,346 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2024-11-08 22:45:38,346 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:45:38,346 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:45:38,346 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8abf348-466b-45a7-911f-decc1c1f4d8c/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:45:38,348 INFO L229 MonitoredProcess]: Starting monitored process 34 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8abf348-466b-45a7-911f-decc1c1f4d8c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:45:38,349 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8abf348-466b-45a7-911f-decc1c1f4d8c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (34)] Waiting until timeout for monitored process [2024-11-08 22:45:38,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:45:38,581 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:45:38,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:45:38,616 INFO L255 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-08 22:45:38,617 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:45:41,785 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 20 proven. 4 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-08 22:45:41,788 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8abf348-466b-45a7-911f-decc1c1f4d8c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (34)] Ended with exit code 0 [2024-11-08 22:45:41,795 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:45:41,795 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 43 states and 77 transitions. [2024-11-08 22:45:41,795 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 77 transitions. [2024-11-08 22:45:41,796 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2024-11-08 22:45:41,796 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:45:41,796 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:45:41,796 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8abf348-466b-45a7-911f-decc1c1f4d8c/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:45:41,797 INFO L229 MonitoredProcess]: Starting monitored process 35 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8abf348-466b-45a7-911f-decc1c1f4d8c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:45:41,799 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8abf348-466b-45a7-911f-decc1c1f4d8c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (35)] Waiting until timeout for monitored process [2024-11-08 22:45:42,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:45:42,004 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:45:42,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:45:42,032 INFO L255 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-08 22:45:42,033 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:45:45,369 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 20 proven. 4 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-08 22:45:45,374 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8abf348-466b-45a7-911f-decc1c1f4d8c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (35)] Ended with exit code 0 [2024-11-08 22:45:45,385 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:45:45,386 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 43 states and 77 transitions. [2024-11-08 22:45:45,386 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 77 transitions. [2024-11-08 22:45:45,386 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2024-11-08 22:45:45,386 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:45:45,386 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:45:45,386 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8abf348-466b-45a7-911f-decc1c1f4d8c/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:45:45,387 INFO L229 MonitoredProcess]: Starting monitored process 36 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8abf348-466b-45a7-911f-decc1c1f4d8c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:45:45,389 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8abf348-466b-45a7-911f-decc1c1f4d8c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (36)] Waiting until timeout for monitored process [2024-11-08 22:45:45,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:45:45,587 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:45:45,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:45:45,619 INFO L255 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 22:45:45,620 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:45:50,057 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 20 proven. 4 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-08 22:45:50,060 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8abf348-466b-45a7-911f-decc1c1f4d8c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (36)] Ended with exit code 0 [2024-11-08 22:45:50,067 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:45:50,068 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 43 states and 77 transitions. [2024-11-08 22:45:50,068 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 77 transitions. [2024-11-08 22:45:50,068 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2024-11-08 22:45:50,068 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:45:50,069 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:45:50,069 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8abf348-466b-45a7-911f-decc1c1f4d8c/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:45:50,070 INFO L229 MonitoredProcess]: Starting monitored process 37 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8abf348-466b-45a7-911f-decc1c1f4d8c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:45:50,071 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8abf348-466b-45a7-911f-decc1c1f4d8c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (37)] Waiting until timeout for monitored process [2024-11-08 22:45:50,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:45:50,277 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:45:50,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:45:50,309 INFO L255 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-08 22:45:50,310 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:45:53,498 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 20 proven. 4 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-08 22:45:53,501 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8abf348-466b-45a7-911f-decc1c1f4d8c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (37)] Ended with exit code 0 [2024-11-08 22:45:53,507 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:45:53,508 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 43 states and 77 transitions. [2024-11-08 22:45:53,508 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 77 transitions. [2024-11-08 22:45:53,508 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2024-11-08 22:45:53,508 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:45:53,508 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:45:53,509 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8abf348-466b-45a7-911f-decc1c1f4d8c/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:45:53,514 INFO L229 MonitoredProcess]: Starting monitored process 38 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8abf348-466b-45a7-911f-decc1c1f4d8c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:45:53,519 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8abf348-466b-45a7-911f-decc1c1f4d8c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (38)] Waiting until timeout for monitored process [2024-11-08 22:45:53,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:45:53,730 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:45:53,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:45:53,760 INFO L255 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-08 22:45:53,761 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:45:57,050 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 20 proven. 4 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-08 22:45:57,054 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8abf348-466b-45a7-911f-decc1c1f4d8c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (38)] Ended with exit code 0 [2024-11-08 22:45:57,061 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:45:57,062 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 43 states and 77 transitions. [2024-11-08 22:45:57,062 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 77 transitions. [2024-11-08 22:45:57,062 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2024-11-08 22:45:57,062 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:45:57,062 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:45:57,063 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8abf348-466b-45a7-911f-decc1c1f4d8c/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:45:57,066 INFO L229 MonitoredProcess]: Starting monitored process 39 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8abf348-466b-45a7-911f-decc1c1f4d8c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:45:57,070 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8abf348-466b-45a7-911f-decc1c1f4d8c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (39)] Waiting until timeout for monitored process [2024-11-08 22:45:57,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:45:57,284 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:45:57,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:45:57,335 INFO L255 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 22:45:57,336 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:46:01,890 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 20 proven. 4 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-08 22:46:01,896 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8abf348-466b-45a7-911f-decc1c1f4d8c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (39)] Forceful destruction successful, exit code 0 [2024-11-08 22:46:01,902 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:46:01,903 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 43 states and 77 transitions. [2024-11-08 22:46:01,903 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 77 transitions. [2024-11-08 22:46:01,903 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2024-11-08 22:46:01,903 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:46:01,903 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:46:01,903 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8abf348-466b-45a7-911f-decc1c1f4d8c/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:46:01,907 INFO L229 MonitoredProcess]: Starting monitored process 40 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8abf348-466b-45a7-911f-decc1c1f4d8c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:46:01,907 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8abf348-466b-45a7-911f-decc1c1f4d8c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (40)] Waiting until timeout for monitored process [2024-11-08 22:46:02,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:46:02,113 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:46:02,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:46:02,141 INFO L255 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-08 22:46:02,142 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:46:05,463 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 20 proven. 4 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-08 22:46:05,466 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8abf348-466b-45a7-911f-decc1c1f4d8c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (40)] Ended with exit code 0 [2024-11-08 22:46:05,473 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:46:05,473 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 43 states and 77 transitions. [2024-11-08 22:46:05,473 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 77 transitions. [2024-11-08 22:46:05,474 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2024-11-08 22:46:05,474 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:46:05,474 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:46:05,474 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8abf348-466b-45a7-911f-decc1c1f4d8c/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:46:05,476 INFO L229 MonitoredProcess]: Starting monitored process 41 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8abf348-466b-45a7-911f-decc1c1f4d8c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:46:05,478 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8abf348-466b-45a7-911f-decc1c1f4d8c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (41)] Waiting until timeout for monitored process [2024-11-08 22:46:05,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:46:05,682 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:46:05,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:46:05,710 INFO L255 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 22:46:05,711 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:46:10,166 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 20 proven. 4 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-08 22:46:10,169 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8abf348-466b-45a7-911f-decc1c1f4d8c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (41)] Forceful destruction successful, exit code 0 [2024-11-08 22:46:10,175 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:46:10,175 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 43 states and 77 transitions. [2024-11-08 22:46:10,175 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 77 transitions. [2024-11-08 22:46:10,176 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2024-11-08 22:46:10,176 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:46:10,176 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:46:10,176 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8abf348-466b-45a7-911f-decc1c1f4d8c/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:46:10,177 INFO L229 MonitoredProcess]: Starting monitored process 42 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8abf348-466b-45a7-911f-decc1c1f4d8c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:46:10,178 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8abf348-466b-45a7-911f-decc1c1f4d8c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (42)] Waiting until timeout for monitored process [2024-11-08 22:46:10,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:46:10,383 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:46:10,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:46:10,433 INFO L255 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-08 22:46:10,434 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:46:13,747 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 20 proven. 4 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-08 22:46:13,750 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8abf348-466b-45a7-911f-decc1c1f4d8c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (42)] Ended with exit code 0 [2024-11-08 22:46:13,756 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:46:13,756 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 43 states and 77 transitions. [2024-11-08 22:46:13,756 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 77 transitions. [2024-11-08 22:46:13,757 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2024-11-08 22:46:13,757 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:46:13,757 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:46:13,757 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8abf348-466b-45a7-911f-decc1c1f4d8c/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:46:13,760 INFO L229 MonitoredProcess]: Starting monitored process 43 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8abf348-466b-45a7-911f-decc1c1f4d8c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:46:13,762 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8abf348-466b-45a7-911f-decc1c1f4d8c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (43)] Waiting until timeout for monitored process [2024-11-08 22:46:13,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:46:13,969 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:46:13,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:46:13,998 INFO L255 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-08 22:46:13,999 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:46:17,224 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 20 proven. 4 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-08 22:46:17,228 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8abf348-466b-45a7-911f-decc1c1f4d8c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (43)] Ended with exit code 0 [2024-11-08 22:46:17,235 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:46:17,235 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 43 states and 77 transitions. [2024-11-08 22:46:17,235 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 77 transitions. [2024-11-08 22:46:17,236 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2024-11-08 22:46:17,236 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:46:17,236 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:46:17,236 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8abf348-466b-45a7-911f-decc1c1f4d8c/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:46:17,238 INFO L229 MonitoredProcess]: Starting monitored process 44 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8abf348-466b-45a7-911f-decc1c1f4d8c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:46:17,239 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8abf348-466b-45a7-911f-decc1c1f4d8c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (44)] Waiting until timeout for monitored process [2024-11-08 22:46:17,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:46:17,444 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:46:17,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:46:17,473 INFO L255 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-08 22:46:17,474 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:46:20,664 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 20 proven. 4 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-08 22:46:20,667 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8abf348-466b-45a7-911f-decc1c1f4d8c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (44)] Ended with exit code 0 [2024-11-08 22:46:20,674 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:46:20,674 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 43 states and 77 transitions. [2024-11-08 22:46:20,674 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 77 transitions. [2024-11-08 22:46:20,675 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2024-11-08 22:46:20,675 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:46:20,675 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:46:20,675 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8abf348-466b-45a7-911f-decc1c1f4d8c/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:46:20,676 INFO L229 MonitoredProcess]: Starting monitored process 45 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8abf348-466b-45a7-911f-decc1c1f4d8c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:46:20,680 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8abf348-466b-45a7-911f-decc1c1f4d8c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (45)] Waiting until timeout for monitored process [2024-11-08 22:46:20,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:46:20,950 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:46:20,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:46:20,984 INFO L255 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-08 22:46:20,985 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:46:24,284 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 20 proven. 4 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-08 22:46:24,286 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8abf348-466b-45a7-911f-decc1c1f4d8c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (45)] Forceful destruction successful, exit code 0 [2024-11-08 22:46:24,292 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:46:24,293 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 43 states and 77 transitions. [2024-11-08 22:46:24,293 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 77 transitions. [2024-11-08 22:46:24,293 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2024-11-08 22:46:24,293 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:46:24,293 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:46:24,293 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8abf348-466b-45a7-911f-decc1c1f4d8c/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:46:24,294 INFO L229 MonitoredProcess]: Starting monitored process 46 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8abf348-466b-45a7-911f-decc1c1f4d8c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:46:24,297 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8abf348-466b-45a7-911f-decc1c1f4d8c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (46)] Waiting until timeout for monitored process [2024-11-08 22:46:24,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:46:24,500 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:46:24,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:46:24,544 INFO L255 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-08 22:46:24,545 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:46:27,768 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 20 proven. 4 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-08 22:46:27,771 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8abf348-466b-45a7-911f-decc1c1f4d8c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (46)] Forceful destruction successful, exit code 0 [2024-11-08 22:46:27,777 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:46:27,778 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 43 states and 77 transitions. [2024-11-08 22:46:27,778 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 77 transitions. [2024-11-08 22:46:27,778 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2024-11-08 22:46:27,778 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:46:27,779 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:46:27,779 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8abf348-466b-45a7-911f-decc1c1f4d8c/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:46:27,781 INFO L229 MonitoredProcess]: Starting monitored process 47 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8abf348-466b-45a7-911f-decc1c1f4d8c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:46:27,782 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8abf348-466b-45a7-911f-decc1c1f4d8c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (47)] Waiting until timeout for monitored process [2024-11-08 22:46:27,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:46:27,988 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:46:28,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:46:28,019 INFO L255 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-08 22:46:28,020 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:46:31,262 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 20 proven. 4 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-08 22:46:31,265 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8abf348-466b-45a7-911f-decc1c1f4d8c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (47)] Forceful destruction successful, exit code 0 [2024-11-08 22:46:31,271 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:46:31,271 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 43 states and 77 transitions. [2024-11-08 22:46:31,271 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 77 transitions. [2024-11-08 22:46:31,271 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2024-11-08 22:46:31,272 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:46:31,272 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:46:31,272 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8abf348-466b-45a7-911f-decc1c1f4d8c/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:46:31,274 INFO L229 MonitoredProcess]: Starting monitored process 48 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8abf348-466b-45a7-911f-decc1c1f4d8c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:46:31,276 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8abf348-466b-45a7-911f-decc1c1f4d8c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (48)] Waiting until timeout for monitored process [2024-11-08 22:46:31,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:46:31,483 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:46:31,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:46:31,520 INFO L255 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-08 22:46:31,521 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:46:34,949 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 20 proven. 4 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-08 22:46:34,953 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8abf348-466b-45a7-911f-decc1c1f4d8c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (48)] Forceful destruction successful, exit code 0 [2024-11-08 22:46:34,960 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:46:34,960 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 43 states and 77 transitions. [2024-11-08 22:46:34,960 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 77 transitions. [2024-11-08 22:46:34,961 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2024-11-08 22:46:34,961 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:46:34,961 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:46:34,961 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8abf348-466b-45a7-911f-decc1c1f4d8c/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:46:34,965 INFO L229 MonitoredProcess]: Starting monitored process 49 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8abf348-466b-45a7-911f-decc1c1f4d8c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:46:34,969 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8abf348-466b-45a7-911f-decc1c1f4d8c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (49)] Waiting until timeout for monitored process [2024-11-08 22:46:35,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:46:35,176 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:46:35,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:46:35,220 INFO L255 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 22:46:35,221 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:46:39,718 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 20 proven. 4 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-08 22:46:39,723 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8abf348-466b-45a7-911f-decc1c1f4d8c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (49)] Ended with exit code 0 [2024-11-08 22:46:39,728 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:46:39,729 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 43 states and 77 transitions. [2024-11-08 22:46:39,729 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 77 transitions. [2024-11-08 22:46:39,729 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2024-11-08 22:46:39,729 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:46:39,729 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:46:39,729 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8abf348-466b-45a7-911f-decc1c1f4d8c/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:46:39,730 INFO L229 MonitoredProcess]: Starting monitored process 50 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8abf348-466b-45a7-911f-decc1c1f4d8c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:46:39,732 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8abf348-466b-45a7-911f-decc1c1f4d8c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (50)] Waiting until timeout for monitored process [2024-11-08 22:46:39,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:46:39,960 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:46:39,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:46:39,988 INFO L255 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 22:46:39,989 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:46:44,557 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 20 proven. 4 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-08 22:46:44,560 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8abf348-466b-45a7-911f-decc1c1f4d8c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (50)] Forceful destruction successful, exit code 0 [2024-11-08 22:46:44,565 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:46:44,566 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 43 states and 77 transitions. [2024-11-08 22:46:44,566 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 77 transitions. [2024-11-08 22:46:44,566 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2024-11-08 22:46:44,566 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:46:44,566 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:46:44,566 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8abf348-466b-45a7-911f-decc1c1f4d8c/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:46:44,570 INFO L229 MonitoredProcess]: Starting monitored process 51 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8abf348-466b-45a7-911f-decc1c1f4d8c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:46:44,573 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8abf348-466b-45a7-911f-decc1c1f4d8c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (51)] Waiting until timeout for monitored process [2024-11-08 22:46:44,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:46:44,776 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:46:44,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:46:44,815 INFO L255 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-08 22:46:44,816 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:46:48,411 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 20 proven. 4 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-08 22:46:48,414 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8abf348-466b-45a7-911f-decc1c1f4d8c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (51)] Ended with exit code 0 [2024-11-08 22:46:48,427 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:46:48,427 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 43 states and 77 transitions. [2024-11-08 22:46:48,427 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 77 transitions. [2024-11-08 22:46:48,428 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2024-11-08 22:46:48,428 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:46:48,428 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:46:48,428 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8abf348-466b-45a7-911f-decc1c1f4d8c/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:46:48,431 INFO L229 MonitoredProcess]: Starting monitored process 52 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8abf348-466b-45a7-911f-decc1c1f4d8c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:46:48,433 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8abf348-466b-45a7-911f-decc1c1f4d8c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (52)] Waiting until timeout for monitored process [2024-11-08 22:46:48,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:46:48,649 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:46:48,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:46:48,676 INFO L255 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-08 22:46:48,677 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:46:51,956 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 20 proven. 4 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-08 22:46:51,959 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8abf348-466b-45a7-911f-decc1c1f4d8c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (52)] Ended with exit code 0 [2024-11-08 22:46:51,970 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:46:51,970 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 43 states and 77 transitions. [2024-11-08 22:46:51,970 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 77 transitions. [2024-11-08 22:46:51,971 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2024-11-08 22:46:51,971 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:46:51,971 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:46:51,971 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8abf348-466b-45a7-911f-decc1c1f4d8c/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:46:51,973 INFO L229 MonitoredProcess]: Starting monitored process 53 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8abf348-466b-45a7-911f-decc1c1f4d8c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:46:51,974 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8abf348-466b-45a7-911f-decc1c1f4d8c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (53)] Waiting until timeout for monitored process [2024-11-08 22:46:52,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:46:52,187 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:46:52,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:46:52,221 INFO L255 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 22:46:52,223 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:46:57,191 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 20 proven. 4 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-08 22:46:57,194 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8abf348-466b-45a7-911f-decc1c1f4d8c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (53)] Forceful destruction successful, exit code 0 [2024-11-08 22:46:57,199 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:46:57,200 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 43 states and 77 transitions. [2024-11-08 22:46:57,200 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 77 transitions. [2024-11-08 22:46:57,200 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2024-11-08 22:46:57,200 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:46:57,201 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:46:57,201 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8abf348-466b-45a7-911f-decc1c1f4d8c/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:46:57,202 INFO L229 MonitoredProcess]: Starting monitored process 54 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8abf348-466b-45a7-911f-decc1c1f4d8c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:46:57,204 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8abf348-466b-45a7-911f-decc1c1f4d8c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (54)] Waiting until timeout for monitored process [2024-11-08 22:46:57,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:46:57,430 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:46:57,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:46:57,471 INFO L255 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-08 22:46:57,472 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:47:00,842 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 20 proven. 4 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-08 22:47:00,845 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8abf348-466b-45a7-911f-decc1c1f4d8c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (54)] Forceful destruction successful, exit code 0 [2024-11-08 22:47:00,855 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:47:00,856 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 43 states and 77 transitions. [2024-11-08 22:47:00,856 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 77 transitions. [2024-11-08 22:47:00,856 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2024-11-08 22:47:00,856 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:47:00,856 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:47:00,856 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8abf348-466b-45a7-911f-decc1c1f4d8c/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:47:00,859 INFO L229 MonitoredProcess]: Starting monitored process 55 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8abf348-466b-45a7-911f-decc1c1f4d8c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:47:00,863 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8abf348-466b-45a7-911f-decc1c1f4d8c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (55)] Waiting until timeout for monitored process [2024-11-08 22:47:01,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:47:01,066 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:47:01,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:47:01,094 INFO L255 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-08 22:47:01,095 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:47:04,617 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 20 proven. 4 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-08 22:47:04,622 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8abf348-466b-45a7-911f-decc1c1f4d8c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (55)] Forceful destruction successful, exit code 0 [2024-11-08 22:47:04,632 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:47:04,633 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 43 states and 77 transitions. [2024-11-08 22:47:04,633 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 77 transitions. [2024-11-08 22:47:04,633 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2024-11-08 22:47:04,633 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:47:04,633 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:47:04,634 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8abf348-466b-45a7-911f-decc1c1f4d8c/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:47:04,636 INFO L229 MonitoredProcess]: Starting monitored process 56 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8abf348-466b-45a7-911f-decc1c1f4d8c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:47:04,653 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8abf348-466b-45a7-911f-decc1c1f4d8c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (56)] Waiting until timeout for monitored process [2024-11-08 22:47:04,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:47:04,902 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:47:04,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:47:04,940 INFO L255 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-08 22:47:04,941 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:47:08,121 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 20 proven. 4 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-08 22:47:08,125 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8abf348-466b-45a7-911f-decc1c1f4d8c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (56)] Ended with exit code 0 [2024-11-08 22:47:08,135 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:47:08,136 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 43 states and 77 transitions. [2024-11-08 22:47:08,136 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 77 transitions. [2024-11-08 22:47:08,136 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2024-11-08 22:47:08,136 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:47:08,136 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:47:08,136 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8abf348-466b-45a7-911f-decc1c1f4d8c/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:47:08,140 INFO L229 MonitoredProcess]: Starting monitored process 57 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8abf348-466b-45a7-911f-decc1c1f4d8c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:47:08,142 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8abf348-466b-45a7-911f-decc1c1f4d8c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (57)] Waiting until timeout for monitored process [2024-11-08 22:47:08,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:47:08,343 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:47:08,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:47:08,380 INFO L255 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-08 22:47:08,381 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:47:11,578 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 20 proven. 4 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-08 22:47:11,581 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8abf348-466b-45a7-911f-decc1c1f4d8c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (57)] Forceful destruction successful, exit code 0 [2024-11-08 22:47:11,590 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:47:11,591 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 43 states and 77 transitions. [2024-11-08 22:47:11,591 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 77 transitions. [2024-11-08 22:47:11,591 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2024-11-08 22:47:11,591 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:47:11,591 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:47:11,591 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8abf348-466b-45a7-911f-decc1c1f4d8c/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:47:11,594 INFO L229 MonitoredProcess]: Starting monitored process 58 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8abf348-466b-45a7-911f-decc1c1f4d8c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:47:11,597 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8abf348-466b-45a7-911f-decc1c1f4d8c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (58)] Waiting until timeout for monitored process [2024-11-08 22:47:11,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:47:11,805 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:47:11,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:47:11,861 INFO L255 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 22:47:11,862 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:47:16,373 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 20 proven. 4 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-08 22:47:16,375 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8abf348-466b-45a7-911f-decc1c1f4d8c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (58)] Forceful destruction successful, exit code 0 [2024-11-08 22:47:16,381 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:47:16,382 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 43 states and 77 transitions. [2024-11-08 22:47:16,382 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 77 transitions. [2024-11-08 22:47:16,382 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2024-11-08 22:47:16,382 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:47:16,382 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:47:16,383 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8abf348-466b-45a7-911f-decc1c1f4d8c/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:47:16,385 INFO L229 MonitoredProcess]: Starting monitored process 59 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8abf348-466b-45a7-911f-decc1c1f4d8c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:47:16,385 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8abf348-466b-45a7-911f-decc1c1f4d8c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (59)] Waiting until timeout for monitored process [2024-11-08 22:47:16,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:47:16,625 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:47:16,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:47:16,654 INFO L255 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 22:47:16,655 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:47:21,265 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 20 proven. 4 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-08 22:47:21,268 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8abf348-466b-45a7-911f-decc1c1f4d8c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (59)] Forceful destruction successful, exit code 0 [2024-11-08 22:47:21,273 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:47:21,274 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 43 states and 77 transitions. [2024-11-08 22:47:21,274 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 77 transitions. [2024-11-08 22:47:21,274 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2024-11-08 22:47:21,274 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:47:21,274 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:47:21,274 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8abf348-466b-45a7-911f-decc1c1f4d8c/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:47:21,275 INFO L229 MonitoredProcess]: Starting monitored process 60 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8abf348-466b-45a7-911f-decc1c1f4d8c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:47:21,276 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8abf348-466b-45a7-911f-decc1c1f4d8c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (60)] Waiting until timeout for monitored process [2024-11-08 22:47:21,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:47:21,494 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:47:21,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:47:21,528 INFO L255 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 22:47:21,529 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:47:26,443 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 20 proven. 4 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-08 22:47:26,446 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8abf348-466b-45a7-911f-decc1c1f4d8c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (60)] Ended with exit code 0 [2024-11-08 22:47:26,451 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:47:26,451 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 43 states and 77 transitions. [2024-11-08 22:47:26,451 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 77 transitions. [2024-11-08 22:47:26,452 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2024-11-08 22:47:26,452 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:47:26,452 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:47:26,452 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8abf348-466b-45a7-911f-decc1c1f4d8c/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:47:26,455 INFO L229 MonitoredProcess]: Starting monitored process 61 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8abf348-466b-45a7-911f-decc1c1f4d8c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:47:26,457 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8abf348-466b-45a7-911f-decc1c1f4d8c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (61)] Waiting until timeout for monitored process [2024-11-08 22:47:26,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:47:26,664 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:47:26,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:47:26,695 INFO L255 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-08 22:47:26,696 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:47:29,938 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 20 proven. 4 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-08 22:47:29,941 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8abf348-466b-45a7-911f-decc1c1f4d8c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (61)] Forceful destruction successful, exit code 0 [2024-11-08 22:47:29,950 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:47:29,950 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 43 states and 77 transitions. [2024-11-08 22:47:29,950 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 77 transitions. [2024-11-08 22:47:29,950 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2024-11-08 22:47:29,951 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:47:29,951 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:47:29,951 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8abf348-466b-45a7-911f-decc1c1f4d8c/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:47:29,952 INFO L229 MonitoredProcess]: Starting monitored process 62 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8abf348-466b-45a7-911f-decc1c1f4d8c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:47:29,953 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8abf348-466b-45a7-911f-decc1c1f4d8c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (62)] Waiting until timeout for monitored process [2024-11-08 22:47:30,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:47:30,160 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:47:30,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:47:30,189 INFO L255 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-08 22:47:30,190 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:47:33,568 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 20 proven. 4 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-08 22:47:33,571 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8abf348-466b-45a7-911f-decc1c1f4d8c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (62)] Forceful destruction successful, exit code 0 [2024-11-08 22:47:33,581 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:47:33,581 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 43 states and 77 transitions. [2024-11-08 22:47:33,581 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 77 transitions. [2024-11-08 22:47:33,582 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2024-11-08 22:47:33,582 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:47:33,582 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:47:33,582 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8abf348-466b-45a7-911f-decc1c1f4d8c/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:47:33,585 INFO L229 MonitoredProcess]: Starting monitored process 63 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8abf348-466b-45a7-911f-decc1c1f4d8c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:47:33,586 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8abf348-466b-45a7-911f-decc1c1f4d8c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (63)] Waiting until timeout for monitored process [2024-11-08 22:47:33,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:47:33,797 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:47:33,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:47:33,839 INFO L255 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 22:47:33,840 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:47:38,357 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 20 proven. 4 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-08 22:47:38,360 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8abf348-466b-45a7-911f-decc1c1f4d8c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (63)] Forceful destruction successful, exit code 0 [2024-11-08 22:47:38,366 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:47:38,367 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 43 states and 77 transitions. [2024-11-08 22:47:38,367 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 77 transitions. [2024-11-08 22:47:38,367 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2024-11-08 22:47:38,367 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:47:38,367 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:47:38,367 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8abf348-466b-45a7-911f-decc1c1f4d8c/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:47:38,370 INFO L229 MonitoredProcess]: Starting monitored process 64 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8abf348-466b-45a7-911f-decc1c1f4d8c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:47:38,370 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8abf348-466b-45a7-911f-decc1c1f4d8c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (64)] Waiting until timeout for monitored process [2024-11-08 22:47:38,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:47:38,592 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:47:38,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:47:38,625 INFO L255 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-08 22:47:38,625 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:47:41,831 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 20 proven. 4 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-08 22:47:41,834 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8abf348-466b-45a7-911f-decc1c1f4d8c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (64)] Forceful destruction successful, exit code 0 [2024-11-08 22:47:41,844 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:47:41,844 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 43 states and 77 transitions. [2024-11-08 22:47:41,844 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 77 transitions. [2024-11-08 22:47:41,845 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2024-11-08 22:47:41,845 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:47:41,845 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:47:41,845 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8abf348-466b-45a7-911f-decc1c1f4d8c/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:47:41,849 INFO L229 MonitoredProcess]: Starting monitored process 65 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8abf348-466b-45a7-911f-decc1c1f4d8c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:47:41,852 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8abf348-466b-45a7-911f-decc1c1f4d8c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (65)] Waiting until timeout for monitored process [2024-11-08 22:47:42,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:47:42,058 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:47:42,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:47:42,087 INFO L255 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-08 22:47:42,088 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:47:45,501 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 20 proven. 4 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-08 22:47:45,504 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8abf348-466b-45a7-911f-decc1c1f4d8c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (65)] Forceful destruction successful, exit code 0 [2024-11-08 22:47:45,513 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:47:45,514 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 43 states and 77 transitions. [2024-11-08 22:47:45,514 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 77 transitions. [2024-11-08 22:47:45,514 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2024-11-08 22:47:45,514 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:47:45,514 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:47:45,514 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8abf348-466b-45a7-911f-decc1c1f4d8c/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:47:45,515 INFO L229 MonitoredProcess]: Starting monitored process 66 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8abf348-466b-45a7-911f-decc1c1f4d8c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:47:45,517 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8abf348-466b-45a7-911f-decc1c1f4d8c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (66)] Waiting until timeout for monitored process [2024-11-08 22:47:45,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:47:45,721 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:47:45,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:47:45,750 INFO L255 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-08 22:47:45,751 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:47:48,893 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 20 proven. 4 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-08 22:47:48,896 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8abf348-466b-45a7-911f-decc1c1f4d8c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (66)] Forceful destruction successful, exit code 0 [2024-11-08 22:47:48,906 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:47:48,906 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 43 states and 77 transitions. [2024-11-08 22:47:48,906 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 77 transitions. [2024-11-08 22:47:48,907 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2024-11-08 22:47:48,907 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:47:48,907 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:47:48,907 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8abf348-466b-45a7-911f-decc1c1f4d8c/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:47:48,908 INFO L229 MonitoredProcess]: Starting monitored process 67 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8abf348-466b-45a7-911f-decc1c1f4d8c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:47:48,910 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8abf348-466b-45a7-911f-decc1c1f4d8c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (67)] Waiting until timeout for monitored process [2024-11-08 22:47:49,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:47:49,110 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:47:49,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:47:49,140 INFO L255 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-08 22:47:49,141 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:47:52,251 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 20 proven. 4 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-08 22:47:52,254 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8abf348-466b-45a7-911f-decc1c1f4d8c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (67)] Forceful destruction successful, exit code 0 [2024-11-08 22:47:52,264 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:47:52,264 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 43 states and 77 transitions. [2024-11-08 22:47:52,264 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 77 transitions. [2024-11-08 22:47:52,265 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2024-11-08 22:47:52,265 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:47:52,265 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:47:52,265 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8abf348-466b-45a7-911f-decc1c1f4d8c/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:47:52,266 INFO L229 MonitoredProcess]: Starting monitored process 68 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8abf348-466b-45a7-911f-decc1c1f4d8c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:47:52,268 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8abf348-466b-45a7-911f-decc1c1f4d8c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (68)] Waiting until timeout for monitored process [2024-11-08 22:47:52,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:47:52,467 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:47:52,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:47:52,502 INFO L255 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-08 22:47:52,503 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:47:55,773 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 20 proven. 4 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-08 22:47:55,776 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8abf348-466b-45a7-911f-decc1c1f4d8c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (68)] Ended with exit code 0 [2024-11-08 22:47:55,785 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:47:55,786 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 43 states and 77 transitions. [2024-11-08 22:47:55,786 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 77 transitions. [2024-11-08 22:47:55,786 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2024-11-08 22:47:55,786 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:47:55,786 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:47:55,787 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8abf348-466b-45a7-911f-decc1c1f4d8c/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:47:55,791 INFO L229 MonitoredProcess]: Starting monitored process 69 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8abf348-466b-45a7-911f-decc1c1f4d8c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:47:55,794 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8abf348-466b-45a7-911f-decc1c1f4d8c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (69)] Waiting until timeout for monitored process [2024-11-08 22:47:56,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:47:56,006 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:47:56,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:47:56,035 INFO L255 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-08 22:47:56,035 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:47:59,208 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 20 proven. 4 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-08 22:47:59,211 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8abf348-466b-45a7-911f-decc1c1f4d8c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (69)] Ended with exit code 0 [2024-11-08 22:47:59,224 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:47:59,224 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 43 states and 77 transitions. [2024-11-08 22:47:59,224 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 77 transitions. [2024-11-08 22:47:59,225 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2024-11-08 22:47:59,225 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:47:59,225 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:47:59,225 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8abf348-466b-45a7-911f-decc1c1f4d8c/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:47:59,227 INFO L229 MonitoredProcess]: Starting monitored process 70 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8abf348-466b-45a7-911f-decc1c1f4d8c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:47:59,230 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8abf348-466b-45a7-911f-decc1c1f4d8c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (70)] Waiting until timeout for monitored process [2024-11-08 22:47:59,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:47:59,455 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:47:59,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:47:59,490 INFO L255 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-08 22:47:59,491 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:48:02,669 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 20 proven. 4 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-08 22:48:02,672 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8abf348-466b-45a7-911f-decc1c1f4d8c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (70)] Forceful destruction successful, exit code 0 [2024-11-08 22:48:02,681 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:48:02,681 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 43 states and 77 transitions. [2024-11-08 22:48:02,681 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 77 transitions. [2024-11-08 22:48:02,681 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2024-11-08 22:48:02,681 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:48:02,682 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:48:02,682 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8abf348-466b-45a7-911f-decc1c1f4d8c/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:48:02,683 INFO L229 MonitoredProcess]: Starting monitored process 71 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8abf348-466b-45a7-911f-decc1c1f4d8c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:48:02,684 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8abf348-466b-45a7-911f-decc1c1f4d8c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (71)] Waiting until timeout for monitored process [2024-11-08 22:48:02,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:48:02,909 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:48:02,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:48:02,936 INFO L255 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-08 22:48:02,937 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:48:06,147 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 20 proven. 4 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-08 22:48:06,150 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8abf348-466b-45a7-911f-decc1c1f4d8c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (71)] Forceful destruction successful, exit code 0 [2024-11-08 22:48:06,160 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:48:06,160 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 43 states and 77 transitions. [2024-11-08 22:48:06,160 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 77 transitions. [2024-11-08 22:48:06,160 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2024-11-08 22:48:06,160 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:48:06,161 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:48:06,161 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8abf348-466b-45a7-911f-decc1c1f4d8c/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:48:06,162 INFO L229 MonitoredProcess]: Starting monitored process 72 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8abf348-466b-45a7-911f-decc1c1f4d8c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:48:06,164 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8abf348-466b-45a7-911f-decc1c1f4d8c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (72)] Waiting until timeout for monitored process [2024-11-08 22:48:06,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:48:06,365 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:48:06,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:48:06,397 INFO L255 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 22:48:06,398 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:48:10,965 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 20 proven. 4 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-08 22:48:10,968 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8abf348-466b-45a7-911f-decc1c1f4d8c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (72)] Ended with exit code 0 [2024-11-08 22:48:10,973 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:48:10,974 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 43 states and 77 transitions. [2024-11-08 22:48:10,974 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 77 transitions. [2024-11-08 22:48:10,974 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2024-11-08 22:48:10,974 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:48:10,975 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:48:10,975 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8abf348-466b-45a7-911f-decc1c1f4d8c/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:48:10,977 INFO L229 MonitoredProcess]: Starting monitored process 73 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8abf348-466b-45a7-911f-decc1c1f4d8c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:48:10,978 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8abf348-466b-45a7-911f-decc1c1f4d8c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (73)] Waiting until timeout for monitored process [2024-11-08 22:48:11,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:48:11,186 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:48:11,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:48:11,214 INFO L255 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 22:48:11,215 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:48:15,638 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 20 proven. 4 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-08 22:48:15,641 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8abf348-466b-45a7-911f-decc1c1f4d8c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (73)] Forceful destruction successful, exit code 0 [2024-11-08 22:48:15,646 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:48:15,647 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 43 states and 77 transitions. [2024-11-08 22:48:15,647 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 77 transitions. [2024-11-08 22:48:15,647 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2024-11-08 22:48:15,647 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:48:15,647 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:48:15,648 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8abf348-466b-45a7-911f-decc1c1f4d8c/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:48:15,650 INFO L229 MonitoredProcess]: Starting monitored process 74 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8abf348-466b-45a7-911f-decc1c1f4d8c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:48:15,651 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8abf348-466b-45a7-911f-decc1c1f4d8c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (74)] Waiting until timeout for monitored process [2024-11-08 22:48:15,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:48:15,850 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:48:15,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:48:15,880 INFO L255 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-08 22:48:15,881 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:48:19,035 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 20 proven. 4 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-08 22:48:19,038 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8abf348-466b-45a7-911f-decc1c1f4d8c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (74)] Forceful destruction successful, exit code 0 [2024-11-08 22:48:19,047 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:48:19,048 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 43 states and 77 transitions. [2024-11-08 22:48:19,048 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 77 transitions. [2024-11-08 22:48:19,048 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2024-11-08 22:48:19,048 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:48:19,048 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:48:19,049 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8abf348-466b-45a7-911f-decc1c1f4d8c/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:48:19,049 INFO L229 MonitoredProcess]: Starting monitored process 75 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8abf348-466b-45a7-911f-decc1c1f4d8c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:48:19,051 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8abf348-466b-45a7-911f-decc1c1f4d8c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (75)] Waiting until timeout for monitored process [2024-11-08 22:48:19,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:48:19,267 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:48:19,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:48:19,297 INFO L255 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-08 22:48:19,298 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:48:22,428 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 20 proven. 4 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-08 22:48:22,431 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8abf348-466b-45a7-911f-decc1c1f4d8c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (75)] Forceful destruction successful, exit code 0 [2024-11-08 22:48:22,442 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:48:22,442 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 43 states and 77 transitions. [2024-11-08 22:48:22,442 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 77 transitions. [2024-11-08 22:48:22,443 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2024-11-08 22:48:22,443 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:48:22,443 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:48:22,443 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8abf348-466b-45a7-911f-decc1c1f4d8c/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:48:22,445 INFO L229 MonitoredProcess]: Starting monitored process 76 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8abf348-466b-45a7-911f-decc1c1f4d8c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:48:22,445 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8abf348-466b-45a7-911f-decc1c1f4d8c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (76)] Waiting until timeout for monitored process [2024-11-08 22:48:22,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:48:22,732 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:48:22,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:48:22,775 INFO L255 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-08 22:48:22,777 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:48:25,975 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 20 proven. 4 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-08 22:48:25,982 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8abf348-466b-45a7-911f-decc1c1f4d8c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (76)] Ended with exit code 0 [2024-11-08 22:48:25,990 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:48:25,991 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 43 states and 77 transitions. [2024-11-08 22:48:25,991 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 77 transitions. [2024-11-08 22:48:25,991 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2024-11-08 22:48:25,991 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:48:25,991 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:48:25,992 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8abf348-466b-45a7-911f-decc1c1f4d8c/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:48:25,995 INFO L229 MonitoredProcess]: Starting monitored process 77 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8abf348-466b-45a7-911f-decc1c1f4d8c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:48:25,998 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8abf348-466b-45a7-911f-decc1c1f4d8c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (77)] Waiting until timeout for monitored process [2024-11-08 22:48:26,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:48:26,197 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:48:26,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:48:26,229 INFO L255 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-08 22:48:26,230 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:48:29,423 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 20 proven. 4 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-08 22:48:29,427 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8abf348-466b-45a7-911f-decc1c1f4d8c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (77)] Forceful destruction successful, exit code 0 [2024-11-08 22:48:29,437 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:48:29,437 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 43 states and 77 transitions. [2024-11-08 22:48:29,437 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 77 transitions. [2024-11-08 22:48:29,437 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2024-11-08 22:48:29,437 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:48:29,438 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:48:29,438 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8abf348-466b-45a7-911f-decc1c1f4d8c/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:48:29,439 INFO L229 MonitoredProcess]: Starting monitored process 78 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8abf348-466b-45a7-911f-decc1c1f4d8c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:48:29,440 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8abf348-466b-45a7-911f-decc1c1f4d8c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (78)] Waiting until timeout for monitored process [2024-11-08 22:48:29,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:48:29,632 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:48:29,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:48:29,659 INFO L255 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 22:48:29,660 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:48:34,229 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 20 proven. 4 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-08 22:48:34,232 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8abf348-466b-45a7-911f-decc1c1f4d8c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (78)] Forceful destruction successful, exit code 0 [2024-11-08 22:48:34,238 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:48:34,238 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 43 states and 77 transitions. [2024-11-08 22:48:34,238 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 77 transitions. [2024-11-08 22:48:34,238 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2024-11-08 22:48:34,239 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:48:34,239 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:48:34,239 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8abf348-466b-45a7-911f-decc1c1f4d8c/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:48:34,240 INFO L229 MonitoredProcess]: Starting monitored process 79 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8abf348-466b-45a7-911f-decc1c1f4d8c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:48:34,241 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8abf348-466b-45a7-911f-decc1c1f4d8c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (79)] Waiting until timeout for monitored process [2024-11-08 22:48:34,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:48:34,436 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:48:34,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:48:34,466 INFO L255 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-08 22:48:34,467 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:48:37,569 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 20 proven. 4 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-08 22:48:37,571 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8abf348-466b-45a7-911f-decc1c1f4d8c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (79)] Forceful destruction successful, exit code 0 [2024-11-08 22:48:37,581 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:48:37,581 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 43 states and 77 transitions. [2024-11-08 22:48:37,581 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 77 transitions. [2024-11-08 22:48:37,581 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2024-11-08 22:48:37,581 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:48:37,581 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:48:37,582 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8abf348-466b-45a7-911f-decc1c1f4d8c/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:48:37,582 INFO L229 MonitoredProcess]: Starting monitored process 80 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8abf348-466b-45a7-911f-decc1c1f4d8c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:48:37,584 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8abf348-466b-45a7-911f-decc1c1f4d8c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (80)] Waiting until timeout for monitored process [2024-11-08 22:48:37,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:48:37,779 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:48:37,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:48:37,813 INFO L255 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-08 22:48:37,814 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:48:40,958 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 20 proven. 4 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-08 22:48:40,961 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8abf348-466b-45a7-911f-decc1c1f4d8c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (80)] Ended with exit code 0 [2024-11-08 22:48:40,971 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:48:40,971 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 43 states and 77 transitions. [2024-11-08 22:48:40,971 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 77 transitions. [2024-11-08 22:48:40,972 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2024-11-08 22:48:40,972 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:48:40,972 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:48:40,972 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8abf348-466b-45a7-911f-decc1c1f4d8c/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:48:40,973 INFO L229 MonitoredProcess]: Starting monitored process 81 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8abf348-466b-45a7-911f-decc1c1f4d8c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:48:40,974 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8abf348-466b-45a7-911f-decc1c1f4d8c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (81)] Waiting until timeout for monitored process [2024-11-08 22:48:41,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:48:41,167 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:48:41,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:48:41,194 INFO L255 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-08 22:48:41,195 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:48:44,510 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 20 proven. 4 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-08 22:48:44,513 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8abf348-466b-45a7-911f-decc1c1f4d8c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (81)] Forceful destruction successful, exit code 0 [2024-11-08 22:48:44,518 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:48:44,519 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 43 states and 77 transitions. [2024-11-08 22:48:44,519 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 77 transitions. [2024-11-08 22:48:44,519 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2024-11-08 22:48:44,519 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:48:44,519 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:48:44,519 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8abf348-466b-45a7-911f-decc1c1f4d8c/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:48:44,520 INFO L229 MonitoredProcess]: Starting monitored process 82 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8abf348-466b-45a7-911f-decc1c1f4d8c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:48:44,521 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8abf348-466b-45a7-911f-decc1c1f4d8c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (82)] Waiting until timeout for monitored process [2024-11-08 22:48:44,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:48:44,715 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:48:44,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:48:44,748 INFO L255 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-08 22:48:44,749 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:48:47,877 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 20 proven. 4 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-08 22:48:47,880 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8abf348-466b-45a7-911f-decc1c1f4d8c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (82)] Ended with exit code 0 [2024-11-08 22:48:47,886 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:48:47,887 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 43 states and 77 transitions. [2024-11-08 22:48:47,887 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 77 transitions. [2024-11-08 22:48:47,887 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2024-11-08 22:48:47,887 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:48:47,887 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:48:47,888 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8abf348-466b-45a7-911f-decc1c1f4d8c/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:48:47,890 INFO L229 MonitoredProcess]: Starting monitored process 83 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8abf348-466b-45a7-911f-decc1c1f4d8c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:48:47,891 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8abf348-466b-45a7-911f-decc1c1f4d8c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (83)] Waiting until timeout for monitored process [2024-11-08 22:48:48,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:48:48,085 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:48:48,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:48:48,140 INFO L255 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-08 22:48:48,142 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:48:51,278 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 20 proven. 4 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-08 22:48:51,281 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8abf348-466b-45a7-911f-decc1c1f4d8c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (83)] Forceful destruction successful, exit code 0 [2024-11-08 22:48:51,287 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:48:51,288 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 43 states and 77 transitions. [2024-11-08 22:48:51,288 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 77 transitions. [2024-11-08 22:48:51,288 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2024-11-08 22:48:51,288 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:48:51,288 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:48:51,288 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8abf348-466b-45a7-911f-decc1c1f4d8c/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:48:51,291 INFO L229 MonitoredProcess]: Starting monitored process 84 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8abf348-466b-45a7-911f-decc1c1f4d8c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:48:51,295 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8abf348-466b-45a7-911f-decc1c1f4d8c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (84)] Waiting until timeout for monitored process [2024-11-08 22:48:51,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:48:51,496 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:48:51,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:48:51,542 INFO L255 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-08 22:48:51,543 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:48:54,761 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 20 proven. 4 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-08 22:48:54,764 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8abf348-466b-45a7-911f-decc1c1f4d8c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (84)] Forceful destruction successful, exit code 0 [2024-11-08 22:48:54,774 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:48:54,775 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 43 states and 77 transitions. [2024-11-08 22:48:54,775 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 77 transitions. [2024-11-08 22:48:54,775 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2024-11-08 22:48:54,775 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:48:54,775 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:48:54,775 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8abf348-466b-45a7-911f-decc1c1f4d8c/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:48:54,778 INFO L229 MonitoredProcess]: Starting monitored process 85 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8abf348-466b-45a7-911f-decc1c1f4d8c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:48:54,781 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8abf348-466b-45a7-911f-decc1c1f4d8c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (85)] Waiting until timeout for monitored process [2024-11-08 22:48:54,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:48:54,982 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:48:55,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:48:55,018 INFO L255 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 22:48:55,020 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:48:59,480 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 20 proven. 4 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-08 22:48:59,488 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8abf348-466b-45a7-911f-decc1c1f4d8c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (85)] Ended with exit code 0 [2024-11-08 22:48:59,494 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:48:59,495 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 43 states and 77 transitions. [2024-11-08 22:48:59,495 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 77 transitions. [2024-11-08 22:48:59,495 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2024-11-08 22:48:59,495 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:48:59,495 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:48:59,495 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8abf348-466b-45a7-911f-decc1c1f4d8c/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:48:59,499 INFO L229 MonitoredProcess]: Starting monitored process 86 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8abf348-466b-45a7-911f-decc1c1f4d8c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:48:59,502 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8abf348-466b-45a7-911f-decc1c1f4d8c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (86)] Waiting until timeout for monitored process [2024-11-08 22:48:59,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:48:59,702 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:48:59,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:48:59,730 INFO L255 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 22:48:59,731 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:49:04,311 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 20 proven. 4 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-08 22:49:04,314 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8abf348-466b-45a7-911f-decc1c1f4d8c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (86)] Forceful destruction successful, exit code 0 [2024-11-08 22:49:04,318 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:49:04,318 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 43 states and 77 transitions. [2024-11-08 22:49:04,318 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 77 transitions. [2024-11-08 22:49:04,319 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2024-11-08 22:49:04,319 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:49:04,319 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:49:04,319 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8abf348-466b-45a7-911f-decc1c1f4d8c/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:49:04,320 INFO L229 MonitoredProcess]: Starting monitored process 87 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8abf348-466b-45a7-911f-decc1c1f4d8c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:49:04,322 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8abf348-466b-45a7-911f-decc1c1f4d8c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (87)] Waiting until timeout for monitored process [2024-11-08 22:49:04,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:49:04,534 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:49:04,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:49:04,566 INFO L255 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-08 22:49:04,567 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:49:07,748 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 20 proven. 4 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-08 22:49:07,751 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8abf348-466b-45a7-911f-decc1c1f4d8c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (87)] Forceful destruction successful, exit code 0 [2024-11-08 22:49:07,761 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:49:07,761 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 43 states and 77 transitions. [2024-11-08 22:49:07,761 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 77 transitions. [2024-11-08 22:49:07,761 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2024-11-08 22:49:07,761 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:49:07,762 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:49:07,762 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8abf348-466b-45a7-911f-decc1c1f4d8c/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:49:07,763 INFO L229 MonitoredProcess]: Starting monitored process 88 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8abf348-466b-45a7-911f-decc1c1f4d8c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:49:07,764 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8abf348-466b-45a7-911f-decc1c1f4d8c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (88)] Waiting until timeout for monitored process [2024-11-08 22:49:07,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:49:07,959 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:49:07,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:49:07,987 INFO L255 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-08 22:49:07,988 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:49:11,203 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 20 proven. 4 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-08 22:49:11,206 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8abf348-466b-45a7-911f-decc1c1f4d8c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (88)] Forceful destruction successful, exit code 0 [2024-11-08 22:49:11,215 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:49:11,215 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 43 states and 77 transitions. [2024-11-08 22:49:11,215 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 77 transitions. [2024-11-08 22:49:11,215 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2024-11-08 22:49:11,216 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:49:11,216 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:49:11,216 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8abf348-466b-45a7-911f-decc1c1f4d8c/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:49:11,217 INFO L229 MonitoredProcess]: Starting monitored process 89 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8abf348-466b-45a7-911f-decc1c1f4d8c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:49:11,218 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8abf348-466b-45a7-911f-decc1c1f4d8c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (89)] Waiting until timeout for monitored process [2024-11-08 22:49:11,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:49:11,459 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:49:11,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:49:11,493 INFO L255 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-08 22:49:11,494 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:49:14,818 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 20 proven. 4 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-08 22:49:14,820 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8abf348-466b-45a7-911f-decc1c1f4d8c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (89)] Ended with exit code 0 [2024-11-08 22:49:14,830 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:49:14,830 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 43 states and 77 transitions. [2024-11-08 22:49:14,830 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 77 transitions. [2024-11-08 22:49:14,830 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2024-11-08 22:49:14,830 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:49:14,831 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:49:14,831 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8abf348-466b-45a7-911f-decc1c1f4d8c/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:49:14,832 INFO L229 MonitoredProcess]: Starting monitored process 90 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8abf348-466b-45a7-911f-decc1c1f4d8c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:49:14,833 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8abf348-466b-45a7-911f-decc1c1f4d8c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (90)] Waiting until timeout for monitored process [2024-11-08 22:49:15,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:49:15,030 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:49:15,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:49:15,056 INFO L255 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-08 22:49:15,057 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:49:18,241 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 20 proven. 4 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-08 22:49:18,244 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8abf348-466b-45a7-911f-decc1c1f4d8c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (90)] Forceful destruction successful, exit code 0 [2024-11-08 22:49:18,254 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:49:18,254 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 43 states and 77 transitions. [2024-11-08 22:49:18,254 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 77 transitions. [2024-11-08 22:49:18,254 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2024-11-08 22:49:18,254 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:49:18,255 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:49:18,255 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8abf348-466b-45a7-911f-decc1c1f4d8c/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:49:18,256 INFO L229 MonitoredProcess]: Starting monitored process 91 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8abf348-466b-45a7-911f-decc1c1f4d8c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:49:18,257 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8abf348-466b-45a7-911f-decc1c1f4d8c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (91)] Waiting until timeout for monitored process [2024-11-08 22:49:18,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:49:18,452 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:49:18,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:49:18,480 INFO L255 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-08 22:49:18,481 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:49:21,660 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 20 proven. 4 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-08 22:49:21,663 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8abf348-466b-45a7-911f-decc1c1f4d8c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (91)] Forceful destruction successful, exit code 0 [2024-11-08 22:49:21,671 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:49:21,672 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 43 states and 77 transitions. [2024-11-08 22:49:21,672 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 77 transitions. [2024-11-08 22:49:21,672 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2024-11-08 22:49:21,672 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:49:21,672 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:49:21,672 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8abf348-466b-45a7-911f-decc1c1f4d8c/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:49:21,673 INFO L229 MonitoredProcess]: Starting monitored process 92 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8abf348-466b-45a7-911f-decc1c1f4d8c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:49:21,675 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8abf348-466b-45a7-911f-decc1c1f4d8c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (92)] Waiting until timeout for monitored process [2024-11-08 22:49:21,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:49:21,871 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:49:21,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:49:21,900 INFO L255 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 22:49:21,901 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:49:26,484 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 20 proven. 4 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-08 22:49:26,487 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8abf348-466b-45a7-911f-decc1c1f4d8c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (92)] Forceful destruction successful, exit code 0 [2024-11-08 22:49:26,493 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:49:26,493 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 43 states and 77 transitions. [2024-11-08 22:49:26,493 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 77 transitions. [2024-11-08 22:49:26,494 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2024-11-08 22:49:26,494 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:49:26,494 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:49:26,494 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8abf348-466b-45a7-911f-decc1c1f4d8c/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:49:26,495 INFO L229 MonitoredProcess]: Starting monitored process 93 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8abf348-466b-45a7-911f-decc1c1f4d8c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:49:26,496 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8abf348-466b-45a7-911f-decc1c1f4d8c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (93)] Waiting until timeout for monitored process [2024-11-08 22:49:26,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:49:26,693 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:49:26,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:49:26,722 INFO L255 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-08 22:49:26,723 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:49:29,996 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 20 proven. 4 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-08 22:49:29,998 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8abf348-466b-45a7-911f-decc1c1f4d8c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (93)] Ended with exit code 0 [2024-11-08 22:49:30,008 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:49:30,009 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 43 states and 77 transitions. [2024-11-08 22:49:30,009 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 77 transitions. [2024-11-08 22:49:30,009 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2024-11-08 22:49:30,009 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:49:30,009 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:49:30,009 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8abf348-466b-45a7-911f-decc1c1f4d8c/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:49:30,012 INFO L229 MonitoredProcess]: Starting monitored process 94 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8abf348-466b-45a7-911f-decc1c1f4d8c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:49:30,015 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8abf348-466b-45a7-911f-decc1c1f4d8c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (94)] Waiting until timeout for monitored process [2024-11-08 22:49:30,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:49:30,217 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:49:30,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:49:30,265 INFO L255 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-08 22:49:30,266 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:49:33,753 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 20 proven. 4 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-08 22:49:33,756 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8abf348-466b-45a7-911f-decc1c1f4d8c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (94)] Forceful destruction successful, exit code 0 [2024-11-08 22:49:33,765 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:49:33,765 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 43 states and 77 transitions. [2024-11-08 22:49:33,765 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 77 transitions. [2024-11-08 22:49:33,766 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2024-11-08 22:49:33,766 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:49:33,766 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:49:33,766 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8abf348-466b-45a7-911f-decc1c1f4d8c/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:49:33,767 INFO L229 MonitoredProcess]: Starting monitored process 95 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8abf348-466b-45a7-911f-decc1c1f4d8c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:49:33,768 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8abf348-466b-45a7-911f-decc1c1f4d8c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (95)] Waiting until timeout for monitored process [2024-11-08 22:49:33,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:49:33,962 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:49:33,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:49:33,999 INFO L255 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-08 22:49:34,000 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:49:37,214 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 20 proven. 4 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-08 22:49:37,217 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8abf348-466b-45a7-911f-decc1c1f4d8c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (95)] Forceful destruction successful, exit code 0 [2024-11-08 22:49:37,226 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:49:37,226 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 43 states and 77 transitions. [2024-11-08 22:49:37,227 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 77 transitions. [2024-11-08 22:49:37,227 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2024-11-08 22:49:37,227 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:49:37,227 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:49:37,227 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8abf348-466b-45a7-911f-decc1c1f4d8c/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:49:37,228 INFO L229 MonitoredProcess]: Starting monitored process 96 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8abf348-466b-45a7-911f-decc1c1f4d8c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:49:37,229 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8abf348-466b-45a7-911f-decc1c1f4d8c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (96)] Waiting until timeout for monitored process [2024-11-08 22:49:37,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:49:37,436 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:49:37,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:49:37,467 INFO L255 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 22:49:37,468 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:49:42,064 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 20 proven. 4 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-08 22:49:42,067 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8abf348-466b-45a7-911f-decc1c1f4d8c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (96)] Ended with exit code 0 [2024-11-08 22:49:42,073 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:49:42,073 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 43 states and 77 transitions. [2024-11-08 22:49:42,073 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 77 transitions. [2024-11-08 22:49:42,073 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2024-11-08 22:49:42,074 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:49:42,074 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:49:42,074 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8abf348-466b-45a7-911f-decc1c1f4d8c/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:49:42,075 INFO L229 MonitoredProcess]: Starting monitored process 97 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8abf348-466b-45a7-911f-decc1c1f4d8c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:49:42,076 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8abf348-466b-45a7-911f-decc1c1f4d8c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (97)] Waiting until timeout for monitored process [2024-11-08 22:49:42,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:49:42,273 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:49:42,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:49:42,326 INFO L255 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-08 22:49:42,327 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:49:45,821 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 20 proven. 4 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-08 22:49:45,824 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8abf348-466b-45a7-911f-decc1c1f4d8c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (97)] Ended with exit code 0 [2024-11-08 22:49:45,831 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:49:45,832 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 43 states and 77 transitions. [2024-11-08 22:49:45,832 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 77 transitions. [2024-11-08 22:49:45,832 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2024-11-08 22:49:45,832 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:49:45,832 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:49:45,833 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8abf348-466b-45a7-911f-decc1c1f4d8c/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:49:45,833 INFO L229 MonitoredProcess]: Starting monitored process 98 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8abf348-466b-45a7-911f-decc1c1f4d8c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:49:45,835 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8abf348-466b-45a7-911f-decc1c1f4d8c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (98)] Waiting until timeout for monitored process [2024-11-08 22:49:46,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:49:46,031 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:49:46,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:49:46,060 INFO L255 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 22:49:46,061 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:49:50,457 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 20 proven. 4 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-08 22:49:50,460 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8abf348-466b-45a7-911f-decc1c1f4d8c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (98)] Ended with exit code 0 [2024-11-08 22:49:50,467 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:49:50,467 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 43 states and 77 transitions. [2024-11-08 22:49:50,467 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 77 transitions. [2024-11-08 22:49:50,468 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2024-11-08 22:49:50,468 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:49:50,468 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:49:50,468 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8abf348-466b-45a7-911f-decc1c1f4d8c/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:49:50,471 INFO L229 MonitoredProcess]: Starting monitored process 99 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8abf348-466b-45a7-911f-decc1c1f4d8c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:49:50,474 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8abf348-466b-45a7-911f-decc1c1f4d8c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (99)] Waiting until timeout for monitored process [2024-11-08 22:49:50,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:49:50,673 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:49:50,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:49:50,707 INFO L255 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 22:49:50,709 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:49:55,769 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 20 proven. 4 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-08 22:49:55,772 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8abf348-466b-45a7-911f-decc1c1f4d8c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (99)] Forceful destruction successful, exit code 0 [2024-11-08 22:49:55,778 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:49:55,778 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 43 states and 77 transitions. [2024-11-08 22:49:55,778 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 77 transitions. [2024-11-08 22:49:55,779 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2024-11-08 22:49:55,779 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:49:55,779 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:49:55,779 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8abf348-466b-45a7-911f-decc1c1f4d8c/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:49:55,780 INFO L229 MonitoredProcess]: Starting monitored process 100 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8abf348-466b-45a7-911f-decc1c1f4d8c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:49:55,781 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8abf348-466b-45a7-911f-decc1c1f4d8c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (100)] Waiting until timeout for monitored process [2024-11-08 22:49:55,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:49:55,984 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:49:56,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:49:56,019 INFO L255 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-08 22:49:56,020 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:49:59,304 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 20 proven. 4 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-08 22:49:59,306 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8abf348-466b-45a7-911f-decc1c1f4d8c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (100)] Forceful destruction successful, exit code 0 [2024-11-08 22:49:59,314 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:49:59,314 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 43 states and 77 transitions. [2024-11-08 22:49:59,314 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 77 transitions. [2024-11-08 22:49:59,314 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2024-11-08 22:49:59,315 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:49:59,315 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:49:59,315 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8abf348-466b-45a7-911f-decc1c1f4d8c/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:49:59,316 INFO L229 MonitoredProcess]: Starting monitored process 101 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8abf348-466b-45a7-911f-decc1c1f4d8c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:49:59,317 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8abf348-466b-45a7-911f-decc1c1f4d8c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (101)] Waiting until timeout for monitored process [2024-11-08 22:49:59,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:49:59,541 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:49:59,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:49:59,577 INFO L255 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 22:49:59,578 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:50:04,293 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 20 proven. 4 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-08 22:50:04,295 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8abf348-466b-45a7-911f-decc1c1f4d8c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (101)] Ended with exit code 0 [2024-11-08 22:50:04,303 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:50:04,303 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 43 states and 77 transitions. [2024-11-08 22:50:04,304 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 77 transitions. [2024-11-08 22:50:04,304 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2024-11-08 22:50:04,304 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:50:04,304 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:50:04,304 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8abf348-466b-45a7-911f-decc1c1f4d8c/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:50:04,307 INFO L229 MonitoredProcess]: Starting monitored process 102 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8abf348-466b-45a7-911f-decc1c1f4d8c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:50:04,309 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8abf348-466b-45a7-911f-decc1c1f4d8c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (102)] Waiting until timeout for monitored process [2024-11-08 22:50:04,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:50:04,517 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:50:04,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:50:04,551 INFO L255 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 22:50:04,551 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:50:09,324 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 20 proven. 4 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-08 22:50:09,326 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8abf348-466b-45a7-911f-decc1c1f4d8c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (102)] Ended with exit code 0 [2024-11-08 22:50:09,333 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:50:09,333 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 43 states and 77 transitions. [2024-11-08 22:50:09,333 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 77 transitions. [2024-11-08 22:50:09,334 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2024-11-08 22:50:09,334 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:50:09,334 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:50:09,334 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8abf348-466b-45a7-911f-decc1c1f4d8c/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:50:09,336 INFO L229 MonitoredProcess]: Starting monitored process 103 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8abf348-466b-45a7-911f-decc1c1f4d8c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:50:09,338 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8abf348-466b-45a7-911f-decc1c1f4d8c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (103)] Waiting until timeout for monitored process [2024-11-08 22:50:09,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:50:09,580 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:50:09,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:50:09,614 INFO L255 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-08 22:50:09,615 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:50:13,034 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 20 proven. 4 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-08 22:50:13,036 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8abf348-466b-45a7-911f-decc1c1f4d8c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (103)] Ended with exit code 0 [2024-11-08 22:50:13,042 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:50:13,042 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 43 states and 77 transitions. [2024-11-08 22:50:13,042 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 77 transitions. [2024-11-08 22:50:13,042 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2024-11-08 22:50:13,043 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:50:13,043 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:50:13,043 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8abf348-466b-45a7-911f-decc1c1f4d8c/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:50:13,047 INFO L229 MonitoredProcess]: Starting monitored process 104 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8abf348-466b-45a7-911f-decc1c1f4d8c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:50:13,053 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8abf348-466b-45a7-911f-decc1c1f4d8c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (104)] Waiting until timeout for monitored process [2024-11-08 22:50:13,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:50:13,269 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:50:13,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:50:13,304 INFO L255 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-08 22:50:13,305 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:50:16,543 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 20 proven. 4 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-08 22:50:16,546 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8abf348-466b-45a7-911f-decc1c1f4d8c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (104)] Forceful destruction successful, exit code 0 [2024-11-08 22:50:16,552 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:50:16,553 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 43 states and 77 transitions. [2024-11-08 22:50:16,553 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 77 transitions. [2024-11-08 22:50:16,553 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2024-11-08 22:50:16,553 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:50:16,553 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:50:16,553 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8abf348-466b-45a7-911f-decc1c1f4d8c/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:50:16,556 INFO L229 MonitoredProcess]: Starting monitored process 105 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8abf348-466b-45a7-911f-decc1c1f4d8c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:50:16,558 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8abf348-466b-45a7-911f-decc1c1f4d8c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (105)] Waiting until timeout for monitored process [2024-11-08 22:50:16,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:50:16,852 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:50:16,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:50:16,899 INFO L255 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-08 22:50:16,900 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:50:20,738 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 20 proven. 4 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-08 22:50:20,742 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8abf348-466b-45a7-911f-decc1c1f4d8c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (105)] Forceful destruction successful, exit code 0 [2024-11-08 22:50:20,748 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:50:20,749 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 43 states and 77 transitions. [2024-11-08 22:50:20,749 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 77 transitions. [2024-11-08 22:50:20,749 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2024-11-08 22:50:20,749 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:50:20,750 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:50:20,750 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8abf348-466b-45a7-911f-decc1c1f4d8c/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:50:20,752 INFO L229 MonitoredProcess]: Starting monitored process 106 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8abf348-466b-45a7-911f-decc1c1f4d8c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:50:20,754 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8abf348-466b-45a7-911f-decc1c1f4d8c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (106)] Waiting until timeout for monitored process [2024-11-08 22:50:20,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:50:20,963 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:50:20,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:50:21,000 INFO L255 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-08 22:50:21,001 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:50:24,384 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 20 proven. 4 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-08 22:50:24,388 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8abf348-466b-45a7-911f-decc1c1f4d8c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (106)] Forceful destruction successful, exit code 0 [2024-11-08 22:50:24,393 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:50:24,394 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 43 states and 77 transitions. [2024-11-08 22:50:24,394 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 77 transitions. [2024-11-08 22:50:24,394 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2024-11-08 22:50:24,394 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:50:24,394 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:50:24,394 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8abf348-466b-45a7-911f-decc1c1f4d8c/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:50:24,397 INFO L229 MonitoredProcess]: Starting monitored process 107 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8abf348-466b-45a7-911f-decc1c1f4d8c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:50:24,398 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8abf348-466b-45a7-911f-decc1c1f4d8c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (107)] Waiting until timeout for monitored process [2024-11-08 22:50:24,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:50:24,604 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:50:24,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:50:24,639 INFO L255 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-08 22:50:24,640 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:50:27,944 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 20 proven. 4 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-08 22:50:27,947 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8abf348-466b-45a7-911f-decc1c1f4d8c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (107)] Forceful destruction successful, exit code 0 [2024-11-08 22:50:27,952 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:50:27,952 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 43 states and 77 transitions. [2024-11-08 22:50:27,952 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 77 transitions. [2024-11-08 22:50:27,953 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2024-11-08 22:50:27,953 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:50:27,953 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:50:27,953 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8abf348-466b-45a7-911f-decc1c1f4d8c/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:50:27,954 INFO L229 MonitoredProcess]: Starting monitored process 108 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8abf348-466b-45a7-911f-decc1c1f4d8c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:50:27,955 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8abf348-466b-45a7-911f-decc1c1f4d8c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (108)] Waiting until timeout for monitored process [2024-11-08 22:50:28,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:50:28,163 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:50:28,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:50:28,200 INFO L255 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-08 22:50:28,201 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:50:31,457 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 20 proven. 4 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-08 22:50:31,459 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8abf348-466b-45a7-911f-decc1c1f4d8c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (108)] Forceful destruction successful, exit code 0 [2024-11-08 22:50:31,467 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:50:31,467 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 43 states and 77 transitions. [2024-11-08 22:50:31,467 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 77 transitions. [2024-11-08 22:50:31,467 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2024-11-08 22:50:31,467 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:50:31,468 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:50:31,468 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8abf348-466b-45a7-911f-decc1c1f4d8c/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:50:31,469 INFO L229 MonitoredProcess]: Starting monitored process 109 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8abf348-466b-45a7-911f-decc1c1f4d8c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:50:31,470 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8abf348-466b-45a7-911f-decc1c1f4d8c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (109)] Waiting until timeout for monitored process [2024-11-08 22:50:31,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:50:31,666 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:50:31,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:50:31,718 INFO L255 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-08 22:50:31,720 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:50:35,112 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 20 proven. 4 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-08 22:50:35,115 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8abf348-466b-45a7-911f-decc1c1f4d8c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (109)] Forceful destruction successful, exit code 0 [2024-11-08 22:50:35,123 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:50:35,123 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 43 states and 77 transitions. [2024-11-08 22:50:35,123 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 77 transitions. [2024-11-08 22:50:35,123 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2024-11-08 22:50:35,124 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:50:35,124 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:50:35,124 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8abf348-466b-45a7-911f-decc1c1f4d8c/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:50:35,126 INFO L229 MonitoredProcess]: Starting monitored process 110 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8abf348-466b-45a7-911f-decc1c1f4d8c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:50:35,128 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8abf348-466b-45a7-911f-decc1c1f4d8c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (110)] Waiting until timeout for monitored process [2024-11-08 22:50:35,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:50:35,323 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:50:35,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:50:35,359 INFO L255 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-08 22:50:35,360 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:50:38,634 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 20 proven. 4 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-08 22:50:38,637 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8abf348-466b-45a7-911f-decc1c1f4d8c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (110)] Forceful destruction successful, exit code 0 [2024-11-08 22:50:38,643 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:50:38,643 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 43 states and 77 transitions. [2024-11-08 22:50:38,643 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 77 transitions. [2024-11-08 22:50:38,643 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2024-11-08 22:50:38,643 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:50:38,644 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:50:38,644 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8abf348-466b-45a7-911f-decc1c1f4d8c/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:50:38,645 INFO L229 MonitoredProcess]: Starting monitored process 111 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8abf348-466b-45a7-911f-decc1c1f4d8c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:50:38,649 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8abf348-466b-45a7-911f-decc1c1f4d8c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (111)] Waiting until timeout for monitored process [2024-11-08 22:50:38,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:50:38,871 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:50:38,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:50:38,900 INFO L255 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-08 22:50:38,901 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:50:42,219 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 20 proven. 4 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-08 22:50:42,222 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8abf348-466b-45a7-911f-decc1c1f4d8c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (111)] Forceful destruction successful, exit code 0 [2024-11-08 22:50:42,227 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:50:42,227 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 43 states and 77 transitions. [2024-11-08 22:50:42,227 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 77 transitions. [2024-11-08 22:50:42,228 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2024-11-08 22:50:42,228 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:50:42,228 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:50:42,228 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8abf348-466b-45a7-911f-decc1c1f4d8c/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:50:42,229 INFO L229 MonitoredProcess]: Starting monitored process 112 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8abf348-466b-45a7-911f-decc1c1f4d8c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:50:42,230 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8abf348-466b-45a7-911f-decc1c1f4d8c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (112)] Waiting until timeout for monitored process [2024-11-08 22:50:42,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:50:42,429 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:50:42,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:50:42,467 INFO L255 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 22:50:42,468 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:50:47,098 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 20 proven. 4 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-08 22:50:47,101 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8abf348-466b-45a7-911f-decc1c1f4d8c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (112)] Forceful destruction successful, exit code 0 [2024-11-08 22:50:47,107 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:50:47,107 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 43 states and 77 transitions. [2024-11-08 22:50:47,107 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 77 transitions. [2024-11-08 22:50:47,107 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2024-11-08 22:50:47,108 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:50:47,108 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:50:47,108 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8abf348-466b-45a7-911f-decc1c1f4d8c/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:50:47,110 INFO L229 MonitoredProcess]: Starting monitored process 113 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8abf348-466b-45a7-911f-decc1c1f4d8c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:50:47,111 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8abf348-466b-45a7-911f-decc1c1f4d8c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (113)] Waiting until timeout for monitored process [2024-11-08 22:50:47,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:50:47,308 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:50:47,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:50:47,344 INFO L255 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-08 22:50:47,345 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:50:50,526 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 20 proven. 4 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-08 22:50:50,529 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8abf348-466b-45a7-911f-decc1c1f4d8c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (113)] Forceful destruction successful, exit code 0 [2024-11-08 22:50:50,535 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:50:50,535 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 43 states and 77 transitions. [2024-11-08 22:50:50,535 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 77 transitions. [2024-11-08 22:50:50,535 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2024-11-08 22:50:50,535 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:50:50,536 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:50:50,536 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8abf348-466b-45a7-911f-decc1c1f4d8c/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:50:50,537 INFO L229 MonitoredProcess]: Starting monitored process 114 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8abf348-466b-45a7-911f-decc1c1f4d8c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:50:50,537 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8abf348-466b-45a7-911f-decc1c1f4d8c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (114)] Waiting until timeout for monitored process [2024-11-08 22:50:50,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:50:50,730 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:50:50,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:50:50,765 INFO L255 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-08 22:50:50,766 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:50:54,051 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 20 proven. 4 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-08 22:50:54,054 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8abf348-466b-45a7-911f-decc1c1f4d8c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (114)] Forceful destruction successful, exit code 0 [2024-11-08 22:50:54,060 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:50:54,060 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 43 states and 77 transitions. [2024-11-08 22:50:54,061 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 77 transitions. [2024-11-08 22:50:54,061 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2024-11-08 22:50:54,061 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:50:54,061 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:50:54,061 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8abf348-466b-45a7-911f-decc1c1f4d8c/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:50:54,063 INFO L229 MonitoredProcess]: Starting monitored process 115 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8abf348-466b-45a7-911f-decc1c1f4d8c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:50:54,064 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8abf348-466b-45a7-911f-decc1c1f4d8c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (115)] Waiting until timeout for monitored process [2024-11-08 22:50:54,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:50:54,264 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:50:54,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:50:54,293 INFO L255 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-08 22:50:54,294 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:50:57,454 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 20 proven. 4 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-08 22:50:57,457 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8abf348-466b-45a7-911f-decc1c1f4d8c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (115)] Forceful destruction successful, exit code 0 [2024-11-08 22:50:57,463 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:50:57,464 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 43 states and 77 transitions. [2024-11-08 22:50:57,470 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 77 transitions. [2024-11-08 22:50:57,471 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2024-11-08 22:50:57,471 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:50:57,471 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:50:57,471 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8abf348-466b-45a7-911f-decc1c1f4d8c/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:50:57,474 INFO L229 MonitoredProcess]: Starting monitored process 116 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8abf348-466b-45a7-911f-decc1c1f4d8c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:50:57,475 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8abf348-466b-45a7-911f-decc1c1f4d8c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (116)] Waiting until timeout for monitored process [2024-11-08 22:50:57,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:50:57,767 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:50:57,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:50:57,822 INFO L255 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 22:50:57,823 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:51:02,398 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 20 proven. 4 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-08 22:51:02,401 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8abf348-466b-45a7-911f-decc1c1f4d8c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (116)] Forceful destruction successful, exit code 0 [2024-11-08 22:51:02,407 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:51:02,407 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 43 states and 77 transitions. [2024-11-08 22:51:02,408 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 77 transitions. [2024-11-08 22:51:02,408 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2024-11-08 22:51:02,408 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:51:02,408 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:51:02,408 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8abf348-466b-45a7-911f-decc1c1f4d8c/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:51:02,411 INFO L229 MonitoredProcess]: Starting monitored process 117 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8abf348-466b-45a7-911f-decc1c1f4d8c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:51:02,412 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8abf348-466b-45a7-911f-decc1c1f4d8c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (117)] Waiting until timeout for monitored process [2024-11-08 22:51:02,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:51:02,677 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:51:02,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:51:02,719 INFO L255 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 22:51:02,720 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:51:07,143 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 20 proven. 4 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-08 22:51:07,146 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8abf348-466b-45a7-911f-decc1c1f4d8c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (117)] Forceful destruction successful, exit code 0 [2024-11-08 22:51:07,151 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:51:07,151 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 43 states and 77 transitions. [2024-11-08 22:51:07,151 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 77 transitions. [2024-11-08 22:51:07,152 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2024-11-08 22:51:07,152 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:51:07,152 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:51:07,152 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8abf348-466b-45a7-911f-decc1c1f4d8c/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:51:07,153 INFO L229 MonitoredProcess]: Starting monitored process 118 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8abf348-466b-45a7-911f-decc1c1f4d8c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:51:07,154 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8abf348-466b-45a7-911f-decc1c1f4d8c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (118)] Waiting until timeout for monitored process [2024-11-08 22:51:07,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:51:07,348 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:51:07,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:51:07,382 INFO L255 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-08 22:51:07,383 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:51:10,591 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 20 proven. 4 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-08 22:51:10,594 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8abf348-466b-45a7-911f-decc1c1f4d8c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (118)] Forceful destruction successful, exit code 0 [2024-11-08 22:51:10,599 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:51:10,599 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 43 states and 77 transitions. [2024-11-08 22:51:10,599 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 77 transitions. [2024-11-08 22:51:10,599 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2024-11-08 22:51:10,599 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:51:10,599 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:51:10,600 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8abf348-466b-45a7-911f-decc1c1f4d8c/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:51:10,600 INFO L229 MonitoredProcess]: Starting monitored process 119 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8abf348-466b-45a7-911f-decc1c1f4d8c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:51:10,602 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8abf348-466b-45a7-911f-decc1c1f4d8c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (119)] Waiting until timeout for monitored process [2024-11-08 22:51:10,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:51:10,806 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:51:10,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:51:10,837 INFO L255 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-08 22:51:10,839 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:51:14,859 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 20 proven. 4 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-08 22:51:14,862 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8abf348-466b-45a7-911f-decc1c1f4d8c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (119)] Forceful destruction successful, exit code 0 [2024-11-08 22:51:14,867 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:51:14,867 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 43 states and 77 transitions. [2024-11-08 22:51:14,867 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 77 transitions. [2024-11-08 22:51:14,868 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2024-11-08 22:51:14,868 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:51:14,868 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:51:14,868 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8abf348-466b-45a7-911f-decc1c1f4d8c/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:51:14,870 INFO L229 MonitoredProcess]: Starting monitored process 120 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8abf348-466b-45a7-911f-decc1c1f4d8c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:51:14,872 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8abf348-466b-45a7-911f-decc1c1f4d8c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (120)] Waiting until timeout for monitored process [2024-11-08 22:51:15,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:51:15,081 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:51:15,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:51:15,123 INFO L255 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-08 22:51:15,124 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:51:18,324 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 20 proven. 4 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-08 22:51:18,327 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8abf348-466b-45a7-911f-decc1c1f4d8c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (120)] Forceful destruction successful, exit code 0 [2024-11-08 22:51:18,333 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:51:18,333 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 43 states and 77 transitions. [2024-11-08 22:51:18,333 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 77 transitions. [2024-11-08 22:51:18,334 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2024-11-08 22:51:18,334 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:51:18,334 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:51:18,334 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8abf348-466b-45a7-911f-decc1c1f4d8c/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:51:18,336 INFO L229 MonitoredProcess]: Starting monitored process 121 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8abf348-466b-45a7-911f-decc1c1f4d8c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:51:18,337 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8abf348-466b-45a7-911f-decc1c1f4d8c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (121)] Waiting until timeout for monitored process [2024-11-08 22:51:18,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:51:18,529 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:51:18,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:51:18,555 INFO L255 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-08 22:51:18,556 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:51:21,806 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 20 proven. 4 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-08 22:51:21,810 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8abf348-466b-45a7-911f-decc1c1f4d8c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (121)] Forceful destruction successful, exit code 0 [2024-11-08 22:51:21,816 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:51:21,816 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 43 states and 77 transitions. [2024-11-08 22:51:21,816 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 77 transitions. [2024-11-08 22:51:21,816 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2024-11-08 22:51:21,816 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:51:21,817 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:51:21,817 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8abf348-466b-45a7-911f-decc1c1f4d8c/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:51:21,818 INFO L229 MonitoredProcess]: Starting monitored process 122 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8abf348-466b-45a7-911f-decc1c1f4d8c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:51:21,819 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8abf348-466b-45a7-911f-decc1c1f4d8c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (122)] Waiting until timeout for monitored process [2024-11-08 22:51:22,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:51:22,010 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:51:22,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:51:22,040 INFO L255 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-08 22:51:22,041 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:51:25,404 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 20 proven. 4 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-08 22:51:25,407 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8abf348-466b-45a7-911f-decc1c1f4d8c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (122)] Forceful destruction successful, exit code 0 [2024-11-08 22:51:25,414 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:51:25,414 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 43 states and 77 transitions. [2024-11-08 22:51:25,414 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 77 transitions. [2024-11-08 22:51:25,414 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2024-11-08 22:51:25,414 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:51:25,414 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:51:25,415 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8abf348-466b-45a7-911f-decc1c1f4d8c/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:51:25,417 INFO L229 MonitoredProcess]: Starting monitored process 123 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8abf348-466b-45a7-911f-decc1c1f4d8c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:51:25,418 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8abf348-466b-45a7-911f-decc1c1f4d8c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (123)] Waiting until timeout for monitored process [2024-11-08 22:51:25,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:51:25,636 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:51:25,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:51:25,672 INFO L255 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 22:51:25,673 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:51:30,281 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 20 proven. 4 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-08 22:51:30,285 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8abf348-466b-45a7-911f-decc1c1f4d8c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (123)] Forceful destruction successful, exit code 0 [2024-11-08 22:51:30,289 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:51:30,290 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 43 states and 77 transitions. [2024-11-08 22:51:30,290 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 77 transitions. [2024-11-08 22:51:30,290 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2024-11-08 22:51:30,290 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:51:30,290 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:51:30,290 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8abf348-466b-45a7-911f-decc1c1f4d8c/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:51:30,291 INFO L229 MonitoredProcess]: Starting monitored process 124 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8abf348-466b-45a7-911f-decc1c1f4d8c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:51:30,292 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8abf348-466b-45a7-911f-decc1c1f4d8c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (124)] Waiting until timeout for monitored process [2024-11-08 22:51:30,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:51:30,507 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:51:30,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:51:30,544 INFO L255 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-08 22:51:30,544 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:51:34,039 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 20 proven. 4 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-08 22:51:34,042 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8abf348-466b-45a7-911f-decc1c1f4d8c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (124)] Ended with exit code 0 [2024-11-08 22:51:34,051 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:51:34,052 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 43 states and 77 transitions. [2024-11-08 22:51:34,052 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 77 transitions. [2024-11-08 22:51:34,052 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2024-11-08 22:51:34,052 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:51:34,052 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:51:34,052 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8abf348-466b-45a7-911f-decc1c1f4d8c/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:51:34,053 INFO L229 MonitoredProcess]: Starting monitored process 125 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8abf348-466b-45a7-911f-decc1c1f4d8c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:51:34,054 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8abf348-466b-45a7-911f-decc1c1f4d8c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (125)] Waiting until timeout for monitored process [2024-11-08 22:51:34,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:51:34,268 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:51:34,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:51:34,305 INFO L255 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-08 22:51:34,306 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:51:37,619 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 20 proven. 4 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-08 22:51:37,622 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8abf348-466b-45a7-911f-decc1c1f4d8c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (125)] Forceful destruction successful, exit code 0 [2024-11-08 22:51:37,631 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:51:37,632 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 43 states and 77 transitions. [2024-11-08 22:51:37,632 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 77 transitions. [2024-11-08 22:51:37,632 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2024-11-08 22:51:37,632 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:51:37,632 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:51:37,632 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8abf348-466b-45a7-911f-decc1c1f4d8c/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:51:37,633 INFO L229 MonitoredProcess]: Starting monitored process 126 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8abf348-466b-45a7-911f-decc1c1f4d8c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:51:37,635 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8abf348-466b-45a7-911f-decc1c1f4d8c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (126)] Waiting until timeout for monitored process [2024-11-08 22:51:37,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:51:37,843 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:51:37,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:51:37,876 INFO L255 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 22:51:37,878 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:51:42,438 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 20 proven. 4 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-08 22:51:42,441 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8abf348-466b-45a7-911f-decc1c1f4d8c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (126)] Forceful destruction successful, exit code 0 [2024-11-08 22:51:42,447 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:51:42,447 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 43 states and 77 transitions. [2024-11-08 22:51:42,447 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 77 transitions. [2024-11-08 22:51:42,447 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2024-11-08 22:51:42,447 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:51:42,447 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:51:42,448 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8abf348-466b-45a7-911f-decc1c1f4d8c/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:51:42,448 INFO L229 MonitoredProcess]: Starting monitored process 127 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8abf348-466b-45a7-911f-decc1c1f4d8c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:51:42,450 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8abf348-466b-45a7-911f-decc1c1f4d8c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (127)] Waiting until timeout for monitored process [2024-11-08 22:51:42,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:51:42,720 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:51:42,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:51:42,753 INFO L255 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-08 22:51:42,754 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:51:46,069 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 20 proven. 4 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-08 22:51:46,072 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8abf348-466b-45a7-911f-decc1c1f4d8c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (127)] Forceful destruction successful, exit code 0 [2024-11-08 22:51:46,081 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:51:46,082 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 43 states and 77 transitions. [2024-11-08 22:51:46,082 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 77 transitions. [2024-11-08 22:51:46,082 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2024-11-08 22:51:46,082 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:51:46,082 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:51:46,082 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8abf348-466b-45a7-911f-decc1c1f4d8c/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:51:46,083 INFO L229 MonitoredProcess]: Starting monitored process 128 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8abf348-466b-45a7-911f-decc1c1f4d8c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:51:46,086 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8abf348-466b-45a7-911f-decc1c1f4d8c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (128)] Waiting until timeout for monitored process [2024-11-08 22:51:46,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:51:46,300 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:51:46,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:51:46,336 INFO L255 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 22:51:46,337 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:51:50,973 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 20 proven. 4 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-08 22:51:50,976 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8abf348-466b-45a7-911f-decc1c1f4d8c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (128)] Forceful destruction successful, exit code 0 [2024-11-08 22:51:50,981 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:51:50,982 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 43 states and 77 transitions. [2024-11-08 22:51:50,982 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 77 transitions. [2024-11-08 22:51:50,982 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2024-11-08 22:51:50,982 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:51:50,982 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:51:50,982 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8abf348-466b-45a7-911f-decc1c1f4d8c/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:51:50,984 INFO L229 MonitoredProcess]: Starting monitored process 129 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8abf348-466b-45a7-911f-decc1c1f4d8c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:51:50,986 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8abf348-466b-45a7-911f-decc1c1f4d8c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (129)] Waiting until timeout for monitored process [2024-11-08 22:51:51,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:51:51,198 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:51:51,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:51:51,241 INFO L255 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 22:51:51,242 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:51:56,019 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 20 proven. 4 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-08 22:51:56,023 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8abf348-466b-45a7-911f-decc1c1f4d8c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (129)] Ended with exit code 0 [2024-11-08 22:51:56,032 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:51:56,032 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 43 states and 77 transitions. [2024-11-08 22:51:56,033 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 77 transitions. [2024-11-08 22:51:56,034 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2024-11-08 22:51:56,034 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:51:56,034 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:51:56,034 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8abf348-466b-45a7-911f-decc1c1f4d8c/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:51:56,037 INFO L229 MonitoredProcess]: Starting monitored process 130 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8abf348-466b-45a7-911f-decc1c1f4d8c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:51:56,038 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8abf348-466b-45a7-911f-decc1c1f4d8c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (130)] Waiting until timeout for monitored process [2024-11-08 22:51:56,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:51:56,260 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:51:56,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:51:56,290 INFO L255 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-08 22:51:56,291 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:51:59,616 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 20 proven. 4 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-08 22:51:59,620 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8abf348-466b-45a7-911f-decc1c1f4d8c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (130)] Ended with exit code 0 [2024-11-08 22:51:59,627 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:51:59,627 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 43 states and 77 transitions. [2024-11-08 22:51:59,628 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 77 transitions. [2024-11-08 22:51:59,628 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2024-11-08 22:51:59,628 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:51:59,628 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:51:59,628 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8abf348-466b-45a7-911f-decc1c1f4d8c/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:51:59,631 INFO L229 MonitoredProcess]: Starting monitored process 131 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8abf348-466b-45a7-911f-decc1c1f4d8c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:51:59,633 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8abf348-466b-45a7-911f-decc1c1f4d8c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (131)] Waiting until timeout for monitored process [2024-11-08 22:51:59,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:51:59,880 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:51:59,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:51:59,908 INFO L255 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-08 22:51:59,909 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:52:03,223 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 20 proven. 4 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-08 22:52:03,226 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8abf348-466b-45a7-911f-decc1c1f4d8c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (131)] Forceful destruction successful, exit code 0 [2024-11-08 22:52:03,231 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:52:03,232 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 43 states and 77 transitions. [2024-11-08 22:52:03,232 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 77 transitions. [2024-11-08 22:52:03,232 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2024-11-08 22:52:03,232 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:52:03,232 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:52:03,232 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8abf348-466b-45a7-911f-decc1c1f4d8c/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:52:03,235 INFO L229 MonitoredProcess]: Starting monitored process 132 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8abf348-466b-45a7-911f-decc1c1f4d8c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:52:03,237 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8abf348-466b-45a7-911f-decc1c1f4d8c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (132)] Waiting until timeout for monitored process [2024-11-08 22:52:03,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:52:03,445 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:52:03,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:52:03,472 INFO L255 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 22:52:03,473 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:52:08,269 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 20 proven. 4 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-08 22:52:08,272 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8abf348-466b-45a7-911f-decc1c1f4d8c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (132)] Forceful destruction successful, exit code 0 [2024-11-08 22:52:08,278 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:52:08,278 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 43 states and 77 transitions. [2024-11-08 22:52:08,279 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 77 transitions. [2024-11-08 22:52:08,279 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2024-11-08 22:52:08,279 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:52:08,279 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:52:08,279 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8abf348-466b-45a7-911f-decc1c1f4d8c/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:52:08,288 INFO L229 MonitoredProcess]: Starting monitored process 133 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8abf348-466b-45a7-911f-decc1c1f4d8c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:52:08,293 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8abf348-466b-45a7-911f-decc1c1f4d8c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (133)] Waiting until timeout for monitored process [2024-11-08 22:52:08,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:52:08,617 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:52:08,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:52:08,670 INFO L255 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-08 22:52:08,671 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:52:12,345 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 20 proven. 4 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-08 22:52:12,348 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8abf348-466b-45a7-911f-decc1c1f4d8c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (133)] Forceful destruction successful, exit code 0 [2024-11-08 22:52:12,353 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:52:12,354 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 43 states and 77 transitions. [2024-11-08 22:52:12,354 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 77 transitions. [2024-11-08 22:52:12,354 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2024-11-08 22:52:12,354 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:52:12,354 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:52:12,355 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8abf348-466b-45a7-911f-decc1c1f4d8c/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:52:12,355 INFO L229 MonitoredProcess]: Starting monitored process 134 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8abf348-466b-45a7-911f-decc1c1f4d8c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:52:12,357 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8abf348-466b-45a7-911f-decc1c1f4d8c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (134)] Waiting until timeout for monitored process [2024-11-08 22:52:12,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:52:12,643 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:52:12,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:52:12,695 INFO L255 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-08 22:52:12,697 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:52:16,364 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 20 proven. 4 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-08 22:52:16,368 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8abf348-466b-45a7-911f-decc1c1f4d8c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (134)] Forceful destruction successful, exit code 0 [2024-11-08 22:52:16,374 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:52:16,374 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 43 states and 77 transitions. [2024-11-08 22:52:16,375 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 77 transitions. [2024-11-08 22:52:16,375 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2024-11-08 22:52:16,375 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:52:16,375 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:52:16,375 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8abf348-466b-45a7-911f-decc1c1f4d8c/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:52:16,378 INFO L229 MonitoredProcess]: Starting monitored process 135 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8abf348-466b-45a7-911f-decc1c1f4d8c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:52:16,379 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8abf348-466b-45a7-911f-decc1c1f4d8c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (135)] Waiting until timeout for monitored process [2024-11-08 22:52:16,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:52:16,621 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:52:16,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:52:16,653 INFO L255 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-08 22:52:16,653 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:52:20,158 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 20 proven. 4 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-08 22:52:20,161 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8abf348-466b-45a7-911f-decc1c1f4d8c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (135)] Forceful destruction successful, exit code 0 [2024-11-08 22:52:20,168 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:52:20,168 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 43 states and 77 transitions. [2024-11-08 22:52:20,169 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 77 transitions. [2024-11-08 22:52:20,169 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2024-11-08 22:52:20,169 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:52:20,169 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:52:20,169 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8abf348-466b-45a7-911f-decc1c1f4d8c/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:52:20,170 INFO L229 MonitoredProcess]: Starting monitored process 136 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8abf348-466b-45a7-911f-decc1c1f4d8c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:52:20,172 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8abf348-466b-45a7-911f-decc1c1f4d8c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (136)] Waiting until timeout for monitored process [2024-11-08 22:52:20,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:52:20,401 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:52:20,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:52:20,445 INFO L255 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-08 22:52:20,446 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:52:24,069 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 20 proven. 4 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-08 22:52:24,072 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8abf348-466b-45a7-911f-decc1c1f4d8c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (136)] Ended with exit code 0 [2024-11-08 22:52:24,078 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:52:24,078 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 43 states and 77 transitions. [2024-11-08 22:52:24,078 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 77 transitions. [2024-11-08 22:52:24,079 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2024-11-08 22:52:24,079 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:52:24,079 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:52:24,079 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8abf348-466b-45a7-911f-decc1c1f4d8c/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:52:24,080 INFO L229 MonitoredProcess]: Starting monitored process 137 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8abf348-466b-45a7-911f-decc1c1f4d8c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:52:24,081 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8abf348-466b-45a7-911f-decc1c1f4d8c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (137)] Waiting until timeout for monitored process [2024-11-08 22:52:24,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:52:24,315 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:52:24,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:52:24,347 INFO L255 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-08 22:52:24,348 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:52:27,863 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 20 proven. 4 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-08 22:52:27,866 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8abf348-466b-45a7-911f-decc1c1f4d8c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (137)] Forceful destruction successful, exit code 0 [2024-11-08 22:52:27,873 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:52:27,873 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 43 states and 77 transitions. [2024-11-08 22:52:27,873 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 77 transitions. [2024-11-08 22:52:27,873 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2024-11-08 22:52:27,874 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:52:27,874 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:52:27,874 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8abf348-466b-45a7-911f-decc1c1f4d8c/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:52:27,878 INFO L229 MonitoredProcess]: Starting monitored process 138 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8abf348-466b-45a7-911f-decc1c1f4d8c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:52:27,879 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8abf348-466b-45a7-911f-decc1c1f4d8c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (138)] Waiting until timeout for monitored process [2024-11-08 22:52:28,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:52:28,220 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:52:28,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:52:28,279 INFO L255 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 22:52:28,280 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:52:33,403 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 20 proven. 4 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-08 22:52:33,406 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8abf348-466b-45a7-911f-decc1c1f4d8c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (138)] Forceful destruction successful, exit code 0 [2024-11-08 22:52:33,412 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:52:33,412 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 43 states and 77 transitions. [2024-11-08 22:52:33,412 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 77 transitions. [2024-11-08 22:52:33,412 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2024-11-08 22:52:33,412 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:52:33,413 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:52:33,413 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8abf348-466b-45a7-911f-decc1c1f4d8c/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:52:33,414 INFO L229 MonitoredProcess]: Starting monitored process 139 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8abf348-466b-45a7-911f-decc1c1f4d8c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:52:33,415 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8abf348-466b-45a7-911f-decc1c1f4d8c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (139)] Waiting until timeout for monitored process [2024-11-08 22:52:33,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:52:33,646 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:52:33,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:52:33,686 INFO L255 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-08 22:52:33,686 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:52:37,237 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 20 proven. 4 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-08 22:52:37,240 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8abf348-466b-45a7-911f-decc1c1f4d8c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (139)] Forceful destruction successful, exit code 0 [2024-11-08 22:52:37,246 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:52:37,247 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 43 states and 77 transitions. [2024-11-08 22:52:37,247 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 77 transitions. [2024-11-08 22:52:37,247 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2024-11-08 22:52:37,247 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:52:37,247 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:52:37,247 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8abf348-466b-45a7-911f-decc1c1f4d8c/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:52:37,248 INFO L229 MonitoredProcess]: Starting monitored process 140 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8abf348-466b-45a7-911f-decc1c1f4d8c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:52:37,249 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8abf348-466b-45a7-911f-decc1c1f4d8c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (140)] Waiting until timeout for monitored process [2024-11-08 22:52:37,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:52:37,480 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:52:37,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:52:37,512 INFO L255 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 22:52:37,513 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:52:42,504 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 20 proven. 4 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-08 22:52:42,507 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8abf348-466b-45a7-911f-decc1c1f4d8c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (140)] Forceful destruction successful, exit code 0 [2024-11-08 22:52:42,513 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:52:42,514 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 43 states and 77 transitions. [2024-11-08 22:52:42,514 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 77 transitions. [2024-11-08 22:52:42,514 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2024-11-08 22:52:42,514 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:52:42,514 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:52:42,514 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8abf348-466b-45a7-911f-decc1c1f4d8c/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:52:42,515 INFO L229 MonitoredProcess]: Starting monitored process 141 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8abf348-466b-45a7-911f-decc1c1f4d8c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:52:42,516 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8abf348-466b-45a7-911f-decc1c1f4d8c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (141)] Waiting until timeout for monitored process [2024-11-08 22:52:42,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:52:42,753 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:52:42,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:52:42,800 INFO L255 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 22:52:42,801 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:52:47,863 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 20 proven. 4 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-08 22:52:47,866 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8abf348-466b-45a7-911f-decc1c1f4d8c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (141)] Forceful destruction successful, exit code 0 [2024-11-08 22:52:47,875 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:52:47,875 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 43 states and 77 transitions. [2024-11-08 22:52:47,875 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 77 transitions. [2024-11-08 22:52:47,876 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2024-11-08 22:52:47,876 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:52:47,876 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:52:47,876 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8abf348-466b-45a7-911f-decc1c1f4d8c/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:52:47,877 INFO L229 MonitoredProcess]: Starting monitored process 142 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8abf348-466b-45a7-911f-decc1c1f4d8c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:52:47,878 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8abf348-466b-45a7-911f-decc1c1f4d8c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (142)] Waiting until timeout for monitored process [2024-11-08 22:52:48,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:52:48,104 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:52:48,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:52:48,138 INFO L255 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-08 22:52:48,138 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:52:51,267 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 20 proven. 4 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-08 22:52:51,270 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8abf348-466b-45a7-911f-decc1c1f4d8c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (142)] Ended with exit code 0 [2024-11-08 22:52:51,276 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:52:51,277 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 43 states and 77 transitions. [2024-11-08 22:52:51,277 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 77 transitions. [2024-11-08 22:52:51,277 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2024-11-08 22:52:51,277 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:52:51,277 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:52:51,277 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8abf348-466b-45a7-911f-decc1c1f4d8c/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:52:51,279 INFO L229 MonitoredProcess]: Starting monitored process 143 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8abf348-466b-45a7-911f-decc1c1f4d8c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:52:51,280 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8abf348-466b-45a7-911f-decc1c1f4d8c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (143)] Waiting until timeout for monitored process [2024-11-08 22:52:51,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:52:51,472 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:52:51,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:52:51,519 INFO L255 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-08 22:52:51,520 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:52:55,057 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 20 proven. 4 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-08 22:52:55,061 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8abf348-466b-45a7-911f-decc1c1f4d8c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (143)] Ended with exit code 0 [2024-11-08 22:52:55,072 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:52:55,073 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 43 states and 77 transitions. [2024-11-08 22:52:55,073 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 77 transitions. [2024-11-08 22:52:55,073 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2024-11-08 22:52:55,073 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:52:55,074 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:52:55,074 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8abf348-466b-45a7-911f-decc1c1f4d8c/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:52:55,076 INFO L229 MonitoredProcess]: Starting monitored process 144 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8abf348-466b-45a7-911f-decc1c1f4d8c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:52:55,077 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8abf348-466b-45a7-911f-decc1c1f4d8c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (144)] Waiting until timeout for monitored process [2024-11-08 22:52:55,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:52:55,382 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:52:55,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:52:55,441 INFO L255 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-08 22:52:55,442 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:52:58,768 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 20 proven. 4 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-08 22:52:58,771 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8abf348-466b-45a7-911f-decc1c1f4d8c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (144)] Forceful destruction successful, exit code 0 [2024-11-08 22:52:58,781 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:52:58,781 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 43 states and 77 transitions. [2024-11-08 22:52:58,781 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 77 transitions. [2024-11-08 22:52:58,782 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2024-11-08 22:52:58,782 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:52:58,782 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:52:58,782 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8abf348-466b-45a7-911f-decc1c1f4d8c/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:52:58,783 INFO L229 MonitoredProcess]: Starting monitored process 145 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8abf348-466b-45a7-911f-decc1c1f4d8c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:52:58,784 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8abf348-466b-45a7-911f-decc1c1f4d8c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (145)] Waiting until timeout for monitored process [2024-11-08 22:52:58,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:52:58,985 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:52:59,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:52:59,026 INFO L255 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-08 22:52:59,027 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:53:02,244 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 20 proven. 4 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-08 22:53:02,247 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8abf348-466b-45a7-911f-decc1c1f4d8c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (145)] Ended with exit code 0 [2024-11-08 22:53:02,257 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:53:02,257 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 43 states and 77 transitions. [2024-11-08 22:53:02,257 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 77 transitions. [2024-11-08 22:53:02,257 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2024-11-08 22:53:02,257 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:53:02,257 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:53:02,257 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8abf348-466b-45a7-911f-decc1c1f4d8c/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:53:02,258 INFO L229 MonitoredProcess]: Starting monitored process 146 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8abf348-466b-45a7-911f-decc1c1f4d8c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:53:02,259 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8abf348-466b-45a7-911f-decc1c1f4d8c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (146)] Waiting until timeout for monitored process [2024-11-08 22:53:02,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:53:02,461 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:53:02,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:53:02,495 INFO L255 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-08 22:53:02,496 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:53:05,915 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 20 proven. 4 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-08 22:53:05,918 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8abf348-466b-45a7-911f-decc1c1f4d8c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (146)] Forceful destruction successful, exit code 0 [2024-11-08 22:53:05,925 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:53:05,926 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 43 states and 77 transitions. [2024-11-08 22:53:05,926 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 77 transitions. [2024-11-08 22:53:05,926 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2024-11-08 22:53:05,926 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:53:05,926 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:53:05,926 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8abf348-466b-45a7-911f-decc1c1f4d8c/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:53:05,929 INFO L229 MonitoredProcess]: Starting monitored process 147 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8abf348-466b-45a7-911f-decc1c1f4d8c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:53:05,929 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8abf348-466b-45a7-911f-decc1c1f4d8c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (147)] Waiting until timeout for monitored process [2024-11-08 22:53:06,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:53:06,128 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:53:06,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:53:06,161 INFO L255 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-08 22:53:06,162 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:53:09,374 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 20 proven. 4 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-08 22:53:09,377 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8abf348-466b-45a7-911f-decc1c1f4d8c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (147)] Ended with exit code 0 [2024-11-08 22:53:09,384 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:53:09,384 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 43 states and 77 transitions. [2024-11-08 22:53:09,384 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 77 transitions. [2024-11-08 22:53:09,385 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2024-11-08 22:53:09,385 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:53:09,385 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:53:09,385 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8abf348-466b-45a7-911f-decc1c1f4d8c/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:53:09,387 INFO L229 MonitoredProcess]: Starting monitored process 148 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8abf348-466b-45a7-911f-decc1c1f4d8c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:53:09,389 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8abf348-466b-45a7-911f-decc1c1f4d8c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (148)] Waiting until timeout for monitored process [2024-11-08 22:53:09,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:53:09,601 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:53:09,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:53:09,631 INFO L255 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-08 22:53:09,632 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:53:12,809 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 20 proven. 4 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-08 22:53:12,811 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8abf348-466b-45a7-911f-decc1c1f4d8c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (148)] Forceful destruction successful, exit code 0 [2024-11-08 22:53:12,816 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:53:12,816 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 43 states and 77 transitions. [2024-11-08 22:53:12,816 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 77 transitions. [2024-11-08 22:53:12,817 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2024-11-08 22:53:12,817 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:53:12,817 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:53:12,817 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8abf348-466b-45a7-911f-decc1c1f4d8c/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:53:12,818 INFO L229 MonitoredProcess]: Starting monitored process 149 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8abf348-466b-45a7-911f-decc1c1f4d8c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:53:12,819 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8abf348-466b-45a7-911f-decc1c1f4d8c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (149)] Waiting until timeout for monitored process [2024-11-08 22:53:13,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:53:13,015 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:53:13,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:53:13,048 INFO L255 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-08 22:53:13,049 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:53:16,302 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 20 proven. 4 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-08 22:53:16,305 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8abf348-466b-45a7-911f-decc1c1f4d8c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (149)] Ended with exit code 0 [2024-11-08 22:53:16,310 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:53:16,310 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 43 states and 77 transitions. [2024-11-08 22:53:16,310 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 77 transitions. [2024-11-08 22:53:16,311 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2024-11-08 22:53:16,311 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:53:16,311 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:53:16,311 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8abf348-466b-45a7-911f-decc1c1f4d8c/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:53:16,312 INFO L229 MonitoredProcess]: Starting monitored process 150 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8abf348-466b-45a7-911f-decc1c1f4d8c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:53:16,313 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8abf348-466b-45a7-911f-decc1c1f4d8c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (150)] Waiting until timeout for monitored process [2024-11-08 22:53:16,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:53:16,519 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:53:16,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:53:16,553 INFO L255 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-08 22:53:16,554 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:53:19,720 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 20 proven. 4 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-08 22:53:19,723 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8abf348-466b-45a7-911f-decc1c1f4d8c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (150)] Forceful destruction successful, exit code 0 [2024-11-08 22:53:19,728 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:53:19,728 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 43 states and 77 transitions. [2024-11-08 22:53:19,728 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 77 transitions. [2024-11-08 22:53:19,729 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2024-11-08 22:53:19,729 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:53:19,729 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:53:19,729 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8abf348-466b-45a7-911f-decc1c1f4d8c/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:53:19,730 INFO L229 MonitoredProcess]: Starting monitored process 151 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8abf348-466b-45a7-911f-decc1c1f4d8c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:53:19,731 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8abf348-466b-45a7-911f-decc1c1f4d8c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (151)] Waiting until timeout for monitored process [2024-11-08 22:53:19,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:53:19,928 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:53:19,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:53:19,964 INFO L255 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-08 22:53:19,964 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:53:23,217 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 20 proven. 4 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-08 22:53:23,220 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8abf348-466b-45a7-911f-decc1c1f4d8c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (151)] Forceful destruction successful, exit code 0 [2024-11-08 22:53:23,226 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:53:23,226 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 43 states and 77 transitions. [2024-11-08 22:53:23,226 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 77 transitions. [2024-11-08 22:53:23,227 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2024-11-08 22:53:23,227 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:53:23,227 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:53:23,227 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8abf348-466b-45a7-911f-decc1c1f4d8c/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:53:23,228 INFO L229 MonitoredProcess]: Starting monitored process 152 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8abf348-466b-45a7-911f-decc1c1f4d8c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:53:23,229 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8abf348-466b-45a7-911f-decc1c1f4d8c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (152)] Waiting until timeout for monitored process [2024-11-08 22:53:23,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:53:23,426 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:53:23,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:53:23,464 INFO L255 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-08 22:53:23,464 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:53:26,665 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 20 proven. 4 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-08 22:53:26,668 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8abf348-466b-45a7-911f-decc1c1f4d8c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (152)] Forceful destruction successful, exit code 0 [2024-11-08 22:53:26,674 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:53:26,674 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 43 states and 77 transitions. [2024-11-08 22:53:26,675 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 77 transitions. [2024-11-08 22:53:26,675 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2024-11-08 22:53:26,675 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:53:26,675 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:53:26,675 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8abf348-466b-45a7-911f-decc1c1f4d8c/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:53:26,677 INFO L229 MonitoredProcess]: Starting monitored process 153 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8abf348-466b-45a7-911f-decc1c1f4d8c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:53:26,678 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8abf348-466b-45a7-911f-decc1c1f4d8c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (153)] Waiting until timeout for monitored process [2024-11-08 22:53:26,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:53:26,874 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:53:26,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:53:26,902 INFO L255 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 22:53:26,903 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:53:31,268 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 20 proven. 4 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-08 22:53:31,271 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8abf348-466b-45a7-911f-decc1c1f4d8c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (153)] Forceful destruction successful, exit code 0 [2024-11-08 22:53:31,275 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:53:31,275 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 43 states and 77 transitions. [2024-11-08 22:53:31,275 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 77 transitions. [2024-11-08 22:53:31,275 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2024-11-08 22:53:31,275 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:53:31,276 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:53:31,276 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8abf348-466b-45a7-911f-decc1c1f4d8c/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:53:31,277 INFO L229 MonitoredProcess]: Starting monitored process 154 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8abf348-466b-45a7-911f-decc1c1f4d8c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:53:31,278 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8abf348-466b-45a7-911f-decc1c1f4d8c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (154)] Waiting until timeout for monitored process [2024-11-08 22:53:31,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:53:31,475 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:53:31,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:53:31,502 INFO L255 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-08 22:53:31,503 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:53:34,799 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 20 proven. 4 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-08 22:53:34,803 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8abf348-466b-45a7-911f-decc1c1f4d8c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (154)] Forceful destruction successful, exit code 0 [2024-11-08 22:53:34,812 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:53:34,812 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 43 states and 77 transitions. [2024-11-08 22:53:34,812 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 77 transitions. [2024-11-08 22:53:34,812 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2024-11-08 22:53:34,812 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:53:34,812 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:53:34,813 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8abf348-466b-45a7-911f-decc1c1f4d8c/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:53:34,813 INFO L229 MonitoredProcess]: Starting monitored process 155 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8abf348-466b-45a7-911f-decc1c1f4d8c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:53:34,815 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8abf348-466b-45a7-911f-decc1c1f4d8c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (155)] Waiting until timeout for monitored process [2024-11-08 22:53:35,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:53:35,010 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:53:35,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:53:35,048 INFO L255 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 22:53:35,049 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:53:39,505 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 20 proven. 4 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-08 22:53:39,508 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8abf348-466b-45a7-911f-decc1c1f4d8c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (155)] Forceful destruction successful, exit code 0 [2024-11-08 22:53:39,513 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:53:39,513 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 43 states and 77 transitions. [2024-11-08 22:53:39,513 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 77 transitions. [2024-11-08 22:53:39,514 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2024-11-08 22:53:39,514 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:53:39,514 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:53:39,514 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8abf348-466b-45a7-911f-decc1c1f4d8c/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:53:39,517 INFO L229 MonitoredProcess]: Starting monitored process 156 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8abf348-466b-45a7-911f-decc1c1f4d8c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:53:39,518 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8abf348-466b-45a7-911f-decc1c1f4d8c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (156)] Waiting until timeout for monitored process [2024-11-08 22:53:39,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:53:39,772 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:53:39,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:53:39,804 INFO L255 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 22:53:39,805 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:53:44,391 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 20 proven. 4 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-08 22:53:44,394 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8abf348-466b-45a7-911f-decc1c1f4d8c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (156)] Forceful destruction successful, exit code 0 [2024-11-08 22:53:44,398 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:53:44,399 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 43 states and 77 transitions. [2024-11-08 22:53:44,399 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 77 transitions. [2024-11-08 22:53:44,399 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2024-11-08 22:53:44,399 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:53:44,399 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:53:44,399 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8abf348-466b-45a7-911f-decc1c1f4d8c/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:53:44,400 INFO L229 MonitoredProcess]: Starting monitored process 157 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8abf348-466b-45a7-911f-decc1c1f4d8c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:53:44,401 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8abf348-466b-45a7-911f-decc1c1f4d8c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (157)] Waiting until timeout for monitored process [2024-11-08 22:53:44,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:53:44,597 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:53:44,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:53:44,633 INFO L255 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 22:53:44,634 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:53:49,089 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 20 proven. 4 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-08 22:53:49,092 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8abf348-466b-45a7-911f-decc1c1f4d8c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (157)] Forceful destruction successful, exit code 0 [2024-11-08 22:53:49,098 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:53:49,098 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 43 states and 77 transitions. [2024-11-08 22:53:49,098 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 77 transitions. [2024-11-08 22:53:49,098 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2024-11-08 22:53:49,098 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:53:49,099 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:53:49,099 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8abf348-466b-45a7-911f-decc1c1f4d8c/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:53:49,100 INFO L229 MonitoredProcess]: Starting monitored process 158 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8abf348-466b-45a7-911f-decc1c1f4d8c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:53:49,101 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8abf348-466b-45a7-911f-decc1c1f4d8c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (158)] Waiting until timeout for monitored process [2024-11-08 22:53:49,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:53:49,299 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:53:49,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:53:49,331 INFO L255 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 22:53:49,332 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:53:53,823 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 20 proven. 4 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-08 22:53:53,826 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8abf348-466b-45a7-911f-decc1c1f4d8c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (158)] Forceful destruction successful, exit code 0 [2024-11-08 22:53:53,832 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:53:53,832 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 43 states and 77 transitions. [2024-11-08 22:53:53,832 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 77 transitions. [2024-11-08 22:53:53,832 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2024-11-08 22:53:53,832 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:53:53,832 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:53:53,832 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8abf348-466b-45a7-911f-decc1c1f4d8c/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:53:53,833 INFO L229 MonitoredProcess]: Starting monitored process 159 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8abf348-466b-45a7-911f-decc1c1f4d8c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:53:53,835 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8abf348-466b-45a7-911f-decc1c1f4d8c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (159)] Waiting until timeout for monitored process [2024-11-08 22:53:54,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:53:54,046 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:53:54,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:53:54,077 INFO L255 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-08 22:53:54,078 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:53:57,468 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 20 proven. 4 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-08 22:53:57,472 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8abf348-466b-45a7-911f-decc1c1f4d8c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (159)] Ended with exit code 0 [2024-11-08 22:53:57,481 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:53:57,482 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 43 states and 77 transitions. [2024-11-08 22:53:57,482 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 77 transitions. [2024-11-08 22:53:57,482 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2024-11-08 22:53:57,482 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:53:57,482 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:53:57,482 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8abf348-466b-45a7-911f-decc1c1f4d8c/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:53:57,485 INFO L229 MonitoredProcess]: Starting monitored process 160 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8abf348-466b-45a7-911f-decc1c1f4d8c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:53:57,486 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8abf348-466b-45a7-911f-decc1c1f4d8c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (160)] Waiting until timeout for monitored process [2024-11-08 22:53:57,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:53:57,792 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:53:57,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:53:57,821 INFO L255 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-08 22:53:57,822 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:54:01,169 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 20 proven. 4 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-08 22:54:01,175 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8abf348-466b-45a7-911f-decc1c1f4d8c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (160)] Ended with exit code 0 [2024-11-08 22:54:01,180 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:54:01,181 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 43 states and 77 transitions. [2024-11-08 22:54:01,181 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 77 transitions. [2024-11-08 22:54:01,181 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2024-11-08 22:54:01,181 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:54:01,181 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:54:01,181 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8abf348-466b-45a7-911f-decc1c1f4d8c/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:54:01,182 INFO L229 MonitoredProcess]: Starting monitored process 161 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8abf348-466b-45a7-911f-decc1c1f4d8c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:54:01,184 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8abf348-466b-45a7-911f-decc1c1f4d8c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (161)] Waiting until timeout for monitored process [2024-11-08 22:54:01,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:54:01,404 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:54:01,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:54:01,437 INFO L255 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-08 22:54:01,438 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:54:04,809 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 20 proven. 4 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-08 22:54:04,811 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8abf348-466b-45a7-911f-decc1c1f4d8c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (161)] Forceful destruction successful, exit code 0 [2024-11-08 22:54:04,817 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:54:04,818 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 43 states and 77 transitions. [2024-11-08 22:54:04,818 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 77 transitions. [2024-11-08 22:54:04,818 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2024-11-08 22:54:04,818 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:54:04,818 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:54:04,818 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8abf348-466b-45a7-911f-decc1c1f4d8c/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:54:04,819 INFO L229 MonitoredProcess]: Starting monitored process 162 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8abf348-466b-45a7-911f-decc1c1f4d8c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:54:04,821 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8abf348-466b-45a7-911f-decc1c1f4d8c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (162)] Waiting until timeout for monitored process [2024-11-08 22:54:05,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:54:05,026 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:54:05,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:54:05,059 INFO L255 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-08 22:54:05,060 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:54:08,374 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 20 proven. 4 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-08 22:54:08,378 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8abf348-466b-45a7-911f-decc1c1f4d8c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (162)] Ended with exit code 0 [2024-11-08 22:54:08,384 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:54:08,384 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 43 states and 77 transitions. [2024-11-08 22:54:08,384 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 77 transitions. [2024-11-08 22:54:08,384 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2024-11-08 22:54:08,384 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:54:08,384 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:54:08,385 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8abf348-466b-45a7-911f-decc1c1f4d8c/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:54:08,385 INFO L229 MonitoredProcess]: Starting monitored process 163 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8abf348-466b-45a7-911f-decc1c1f4d8c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:54:08,387 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8abf348-466b-45a7-911f-decc1c1f4d8c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (163)] Waiting until timeout for monitored process [2024-11-08 22:54:08,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:54:08,596 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:54:08,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:54:08,787 INFO L255 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 22:54:08,788 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:54:13,545 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 20 proven. 4 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-08 22:54:13,548 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8abf348-466b-45a7-911f-decc1c1f4d8c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (163)] Forceful destruction successful, exit code 0 [2024-11-08 22:54:13,554 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:54:13,554 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 43 states and 77 transitions. [2024-11-08 22:54:13,554 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 77 transitions. [2024-11-08 22:54:13,554 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2024-11-08 22:54:13,554 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:54:13,554 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:54:13,554 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8abf348-466b-45a7-911f-decc1c1f4d8c/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:54:13,555 INFO L229 MonitoredProcess]: Starting monitored process 164 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8abf348-466b-45a7-911f-decc1c1f4d8c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:54:13,556 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8abf348-466b-45a7-911f-decc1c1f4d8c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (164)] Waiting until timeout for monitored process [2024-11-08 22:54:13,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:54:13,764 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:54:13,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:54:13,810 INFO L255 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-08 22:54:13,810 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:54:17,039 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 20 proven. 4 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-08 22:54:17,043 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8abf348-466b-45a7-911f-decc1c1f4d8c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (164)] Ended with exit code 0 [2024-11-08 22:54:17,049 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:54:17,050 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 43 states and 77 transitions. [2024-11-08 22:54:17,050 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 77 transitions. [2024-11-08 22:54:17,050 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2024-11-08 22:54:17,050 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:54:17,050 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:54:17,050 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8abf348-466b-45a7-911f-decc1c1f4d8c/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:54:17,051 INFO L229 MonitoredProcess]: Starting monitored process 165 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8abf348-466b-45a7-911f-decc1c1f4d8c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:54:17,052 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8abf348-466b-45a7-911f-decc1c1f4d8c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (165)] Waiting until timeout for monitored process [2024-11-08 22:54:17,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:54:17,251 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:54:17,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:54:17,287 INFO L255 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 22:54:17,288 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:54:21,920 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 20 proven. 4 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-08 22:54:21,923 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8abf348-466b-45a7-911f-decc1c1f4d8c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (165)] Ended with exit code 0 [2024-11-08 22:54:21,929 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:54:21,929 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 43 states and 77 transitions. [2024-11-08 22:54:21,929 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 77 transitions. [2024-11-08 22:54:21,929 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2024-11-08 22:54:21,929 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:54:21,929 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:54:21,929 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8abf348-466b-45a7-911f-decc1c1f4d8c/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:54:21,930 INFO L229 MonitoredProcess]: Starting monitored process 166 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8abf348-466b-45a7-911f-decc1c1f4d8c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:54:21,931 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8abf348-466b-45a7-911f-decc1c1f4d8c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (166)] Waiting until timeout for monitored process [2024-11-08 22:54:22,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:54:22,140 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:54:22,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:54:22,175 INFO L255 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 22:54:22,176 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:54:26,890 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 20 proven. 4 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-08 22:54:26,893 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8abf348-466b-45a7-911f-decc1c1f4d8c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (166)] Forceful destruction successful, exit code 0 [2024-11-08 22:54:26,898 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:54:26,898 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 43 states and 77 transitions. [2024-11-08 22:54:26,898 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 77 transitions. [2024-11-08 22:54:26,898 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2024-11-08 22:54:26,898 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:54:26,898 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:54:26,899 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8abf348-466b-45a7-911f-decc1c1f4d8c/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:54:26,899 INFO L229 MonitoredProcess]: Starting monitored process 167 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8abf348-466b-45a7-911f-decc1c1f4d8c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:54:26,901 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8abf348-466b-45a7-911f-decc1c1f4d8c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (167)] Waiting until timeout for monitored process [2024-11-08 22:54:27,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:54:27,113 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:54:27,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:54:27,146 INFO L255 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-08 22:54:27,146 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:54:30,447 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 20 proven. 4 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-08 22:54:30,450 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8abf348-466b-45a7-911f-decc1c1f4d8c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (167)] Ended with exit code 0 [2024-11-08 22:54:30,456 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:54:30,456 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 43 states and 77 transitions. [2024-11-08 22:54:30,456 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 77 transitions. [2024-11-08 22:54:30,456 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2024-11-08 22:54:30,456 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:54:30,457 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:54:30,457 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8abf348-466b-45a7-911f-decc1c1f4d8c/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:54:30,457 INFO L229 MonitoredProcess]: Starting monitored process 168 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8abf348-466b-45a7-911f-decc1c1f4d8c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:54:30,459 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8abf348-466b-45a7-911f-decc1c1f4d8c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (168)] Waiting until timeout for monitored process [2024-11-08 22:54:30,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:54:30,669 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:54:30,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:54:30,700 INFO L255 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-08 22:54:30,700 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:54:34,072 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 20 proven. 4 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-08 22:54:34,077 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8abf348-466b-45a7-911f-decc1c1f4d8c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (168)] Ended with exit code 0 [2024-11-08 22:54:34,084 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:54:34,084 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 43 states and 77 transitions. [2024-11-08 22:54:34,084 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 77 transitions. [2024-11-08 22:54:34,084 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2024-11-08 22:54:34,084 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:54:34,084 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:54:34,085 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8abf348-466b-45a7-911f-decc1c1f4d8c/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:54:34,085 INFO L229 MonitoredProcess]: Starting monitored process 169 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8abf348-466b-45a7-911f-decc1c1f4d8c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:54:34,087 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8abf348-466b-45a7-911f-decc1c1f4d8c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (169)] Waiting until timeout for monitored process [2024-11-08 22:54:34,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:54:34,301 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:54:34,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:54:34,336 INFO L255 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-08 22:54:34,337 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:54:37,898 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 20 proven. 4 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-08 22:54:37,902 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8abf348-466b-45a7-911f-decc1c1f4d8c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (169)] Ended with exit code 0 [2024-11-08 22:54:37,909 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:54:37,909 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 43 states and 77 transitions. [2024-11-08 22:54:37,909 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 77 transitions. [2024-11-08 22:54:37,909 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2024-11-08 22:54:37,909 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:54:37,909 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:54:37,909 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8abf348-466b-45a7-911f-decc1c1f4d8c/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:54:37,910 INFO L229 MonitoredProcess]: Starting monitored process 170 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8abf348-466b-45a7-911f-decc1c1f4d8c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:54:37,912 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8abf348-466b-45a7-911f-decc1c1f4d8c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (170)] Waiting until timeout for monitored process [2024-11-08 22:54:38,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:54:38,122 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:54:38,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:54:38,157 INFO L255 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-08 22:54:38,158 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:54:41,442 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 20 proven. 4 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-08 22:54:41,445 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8abf348-466b-45a7-911f-decc1c1f4d8c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (170)] Forceful destruction successful, exit code 0 [2024-11-08 22:54:41,452 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:54:41,453 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 43 states and 77 transitions. [2024-11-08 22:54:41,453 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 77 transitions. [2024-11-08 22:54:41,453 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2024-11-08 22:54:41,453 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:54:41,453 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:54:41,453 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8abf348-466b-45a7-911f-decc1c1f4d8c/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:54:41,454 INFO L229 MonitoredProcess]: Starting monitored process 171 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8abf348-466b-45a7-911f-decc1c1f4d8c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:54:41,455 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8abf348-466b-45a7-911f-decc1c1f4d8c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (171)] Waiting until timeout for monitored process [2024-11-08 22:54:41,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:54:41,673 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:54:41,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:54:41,711 INFO L255 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-08 22:54:41,712 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:54:45,137 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 20 proven. 4 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-08 22:54:45,140 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8abf348-466b-45a7-911f-decc1c1f4d8c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (171)] Forceful destruction successful, exit code 0 [2024-11-08 22:54:45,147 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:54:45,148 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 43 states and 77 transitions. [2024-11-08 22:54:45,148 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 77 transitions. [2024-11-08 22:54:45,148 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2024-11-08 22:54:45,148 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:54:45,148 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:54:45,148 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8abf348-466b-45a7-911f-decc1c1f4d8c/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:54:45,150 INFO L229 MonitoredProcess]: Starting monitored process 172 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8abf348-466b-45a7-911f-decc1c1f4d8c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:54:45,152 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8abf348-466b-45a7-911f-decc1c1f4d8c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (172)] Waiting until timeout for monitored process [2024-11-08 22:54:45,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:54:45,372 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:54:45,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:54:45,405 INFO L255 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-08 22:54:45,406 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:54:48,700 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 20 proven. 4 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-08 22:54:48,703 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8abf348-466b-45a7-911f-decc1c1f4d8c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (172)] Ended with exit code 0 [2024-11-08 22:54:48,709 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:54:48,710 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 43 states and 77 transitions. [2024-11-08 22:54:48,710 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 77 transitions. [2024-11-08 22:54:48,710 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2024-11-08 22:54:48,710 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:54:48,710 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:54:48,711 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8abf348-466b-45a7-911f-decc1c1f4d8c/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:54:48,713 INFO L229 MonitoredProcess]: Starting monitored process 173 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8abf348-466b-45a7-911f-decc1c1f4d8c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:54:48,714 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8abf348-466b-45a7-911f-decc1c1f4d8c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (173)] Waiting until timeout for monitored process [2024-11-08 22:54:48,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:54:48,930 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:54:48,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:54:48,962 INFO L255 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-08 22:54:48,962 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:54:52,265 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 20 proven. 4 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-08 22:54:52,268 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8abf348-466b-45a7-911f-decc1c1f4d8c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (173)] Ended with exit code 0 [2024-11-08 22:54:52,277 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:54:52,278 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 43 states and 77 transitions. [2024-11-08 22:54:52,278 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 77 transitions. [2024-11-08 22:54:52,278 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2024-11-08 22:54:52,278 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:54:52,278 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:54:52,278 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8abf348-466b-45a7-911f-decc1c1f4d8c/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:54:52,280 INFO L229 MonitoredProcess]: Starting monitored process 174 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8abf348-466b-45a7-911f-decc1c1f4d8c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:54:52,281 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8abf348-466b-45a7-911f-decc1c1f4d8c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (174)] Waiting until timeout for monitored process [2024-11-08 22:54:52,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:54:52,493 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:54:52,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:54:52,545 INFO L255 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-08 22:54:52,546 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:54:55,926 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 20 proven. 4 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-08 22:54:55,929 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8abf348-466b-45a7-911f-decc1c1f4d8c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (174)] Forceful destruction successful, exit code 0 [2024-11-08 22:54:55,939 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:54:55,939 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 43 states and 77 transitions. [2024-11-08 22:54:55,940 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 77 transitions. [2024-11-08 22:54:55,940 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2024-11-08 22:54:55,940 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:54:55,940 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:54:55,940 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8abf348-466b-45a7-911f-decc1c1f4d8c/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:54:55,943 INFO L229 MonitoredProcess]: Starting monitored process 175 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8abf348-466b-45a7-911f-decc1c1f4d8c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:54:55,944 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8abf348-466b-45a7-911f-decc1c1f4d8c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (175)] Waiting until timeout for monitored process [2024-11-08 22:54:56,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:54:56,154 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:54:56,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:54:56,186 INFO L255 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-08 22:54:56,186 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:54:59,504 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 20 proven. 4 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-08 22:54:59,507 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8abf348-466b-45a7-911f-decc1c1f4d8c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (175)] Ended with exit code 0 [2024-11-08 22:54:59,517 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:54:59,517 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 43 states and 77 transitions. [2024-11-08 22:54:59,517 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 77 transitions. [2024-11-08 22:54:59,518 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2024-11-08 22:54:59,518 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:54:59,518 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:54:59,518 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8abf348-466b-45a7-911f-decc1c1f4d8c/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:54:59,519 INFO L229 MonitoredProcess]: Starting monitored process 176 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8abf348-466b-45a7-911f-decc1c1f4d8c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:54:59,520 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8abf348-466b-45a7-911f-decc1c1f4d8c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (176)] Waiting until timeout for monitored process [2024-11-08 22:54:59,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:54:59,723 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:54:59,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:54:59,765 INFO L255 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-08 22:54:59,766 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:55:03,104 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 20 proven. 4 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-08 22:55:03,107 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8abf348-466b-45a7-911f-decc1c1f4d8c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (176)] Ended with exit code 0 [2024-11-08 22:55:03,117 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:55:03,117 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 43 states and 77 transitions. [2024-11-08 22:55:03,118 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 77 transitions. [2024-11-08 22:55:03,118 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2024-11-08 22:55:03,118 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:55:03,118 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:55:03,118 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8abf348-466b-45a7-911f-decc1c1f4d8c/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:55:03,122 INFO L229 MonitoredProcess]: Starting monitored process 177 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8abf348-466b-45a7-911f-decc1c1f4d8c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:55:03,123 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8abf348-466b-45a7-911f-decc1c1f4d8c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (177)] Waiting until timeout for monitored process [2024-11-08 22:55:03,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:55:03,346 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:55:03,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:55:03,377 INFO L255 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-08 22:55:03,378 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:55:06,902 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 20 proven. 4 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-08 22:55:06,906 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8abf348-466b-45a7-911f-decc1c1f4d8c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (177)] Ended with exit code 0 [2024-11-08 22:55:06,919 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:55:06,919 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 43 states and 77 transitions. [2024-11-08 22:55:06,919 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 77 transitions. [2024-11-08 22:55:06,920 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2024-11-08 22:55:06,920 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:55:06,920 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:55:06,920 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8abf348-466b-45a7-911f-decc1c1f4d8c/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:55:06,923 INFO L229 MonitoredProcess]: Starting monitored process 178 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8abf348-466b-45a7-911f-decc1c1f4d8c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:55:06,924 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8abf348-466b-45a7-911f-decc1c1f4d8c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (178)] Waiting until timeout for monitored process [2024-11-08 22:55:07,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:55:07,155 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:55:07,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:55:07,186 INFO L255 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-08 22:55:07,187 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:55:10,498 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 20 proven. 4 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-08 22:55:10,502 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8abf348-466b-45a7-911f-decc1c1f4d8c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (178)] Forceful destruction successful, exit code 0 [2024-11-08 22:55:10,512 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:55:10,512 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 43 states and 77 transitions. [2024-11-08 22:55:10,512 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 77 transitions. [2024-11-08 22:55:10,512 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2024-11-08 22:55:10,512 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:55:10,512 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:55:10,513 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8abf348-466b-45a7-911f-decc1c1f4d8c/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:55:10,514 INFO L229 MonitoredProcess]: Starting monitored process 179 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8abf348-466b-45a7-911f-decc1c1f4d8c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:55:10,515 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8abf348-466b-45a7-911f-decc1c1f4d8c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (179)] Waiting until timeout for monitored process [2024-11-08 22:55:10,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:55:10,737 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:55:10,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:55:10,770 INFO L255 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-08 22:55:10,771 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:55:14,172 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 20 proven. 4 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-08 22:55:14,174 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8abf348-466b-45a7-911f-decc1c1f4d8c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (179)] Ended with exit code 0 [2024-11-08 22:55:14,184 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:55:14,190 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 43 states and 77 transitions. [2024-11-08 22:55:14,190 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 77 transitions. [2024-11-08 22:55:14,190 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2024-11-08 22:55:14,190 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:55:14,190 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:55:14,191 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8abf348-466b-45a7-911f-decc1c1f4d8c/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:55:14,195 INFO L229 MonitoredProcess]: Starting monitored process 180 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8abf348-466b-45a7-911f-decc1c1f4d8c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:55:14,197 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8abf348-466b-45a7-911f-decc1c1f4d8c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (180)] Waiting until timeout for monitored process [2024-11-08 22:55:14,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:55:14,509 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:55:14,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:55:14,569 INFO L255 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-08 22:55:14,570 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:55:17,938 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 20 proven. 4 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-08 22:55:17,941 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8abf348-466b-45a7-911f-decc1c1f4d8c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (180)] Forceful destruction successful, exit code 0 [2024-11-08 22:55:17,950 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:55:17,951 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 43 states and 77 transitions. [2024-11-08 22:55:17,951 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 77 transitions. [2024-11-08 22:55:17,951 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2024-11-08 22:55:17,951 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:55:17,951 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:55:17,951 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8abf348-466b-45a7-911f-decc1c1f4d8c/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:55:17,952 INFO L229 MonitoredProcess]: Starting monitored process 181 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8abf348-466b-45a7-911f-decc1c1f4d8c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:55:17,954 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8abf348-466b-45a7-911f-decc1c1f4d8c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (181)] Waiting until timeout for monitored process [2024-11-08 22:55:18,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:55:18,150 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:55:18,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:55:18,187 INFO L255 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-08 22:55:18,188 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:55:21,547 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 20 proven. 4 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-08 22:55:21,550 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8abf348-466b-45a7-911f-decc1c1f4d8c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (181)] Ended with exit code 0 [2024-11-08 22:55:21,560 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:55:21,561 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 43 states and 77 transitions. [2024-11-08 22:55:21,561 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 77 transitions. [2024-11-08 22:55:21,561 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2024-11-08 22:55:21,561 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:55:21,561 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:55:21,561 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8abf348-466b-45a7-911f-decc1c1f4d8c/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:55:21,562 INFO L229 MonitoredProcess]: Starting monitored process 182 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8abf348-466b-45a7-911f-decc1c1f4d8c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:55:21,563 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8abf348-466b-45a7-911f-decc1c1f4d8c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (182)] Waiting until timeout for monitored process [2024-11-08 22:55:21,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:55:21,787 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:55:21,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:55:21,825 INFO L255 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-08 22:55:21,826 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:55:25,275 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 20 proven. 4 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-08 22:55:25,278 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8abf348-466b-45a7-911f-decc1c1f4d8c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (182)] Ended with exit code 0 [2024-11-08 22:55:25,289 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:55:25,289 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 43 states and 77 transitions. [2024-11-08 22:55:25,289 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 77 transitions. [2024-11-08 22:55:25,289 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2024-11-08 22:55:25,289 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:55:25,290 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:55:25,290 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8abf348-466b-45a7-911f-decc1c1f4d8c/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:55:25,291 INFO L229 MonitoredProcess]: Starting monitored process 183 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8abf348-466b-45a7-911f-decc1c1f4d8c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:55:25,292 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8abf348-466b-45a7-911f-decc1c1f4d8c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (183)] Waiting until timeout for monitored process [2024-11-08 22:55:25,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:55:25,515 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:55:25,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:55:25,557 INFO L255 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-08 22:55:25,558 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:55:28,902 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 20 proven. 4 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-08 22:55:28,905 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8abf348-466b-45a7-911f-decc1c1f4d8c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (183)] Ended with exit code 0 [2024-11-08 22:55:28,915 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:55:28,915 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 43 states and 77 transitions. [2024-11-08 22:55:28,915 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 77 transitions. [2024-11-08 22:55:28,915 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2024-11-08 22:55:28,916 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:55:28,916 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:55:28,916 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8abf348-466b-45a7-911f-decc1c1f4d8c/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:55:28,917 INFO L229 MonitoredProcess]: Starting monitored process 184 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8abf348-466b-45a7-911f-decc1c1f4d8c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:55:28,918 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8abf348-466b-45a7-911f-decc1c1f4d8c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (184)] Waiting until timeout for monitored process [2024-11-08 22:55:29,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:55:29,141 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:55:29,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:55:29,179 INFO L255 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 22:55:29,180 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:55:34,009 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 20 proven. 4 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-08 22:55:34,013 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8abf348-466b-45a7-911f-decc1c1f4d8c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (184)] Ended with exit code 0 [2024-11-08 22:55:34,017 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:55:34,017 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 43 states and 77 transitions. [2024-11-08 22:55:34,017 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 77 transitions. [2024-11-08 22:55:34,017 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2024-11-08 22:55:34,017 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:55:34,017 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:55:34,018 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8abf348-466b-45a7-911f-decc1c1f4d8c/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:55:34,018 INFO L229 MonitoredProcess]: Starting monitored process 185 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8abf348-466b-45a7-911f-decc1c1f4d8c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:55:34,020 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8abf348-466b-45a7-911f-decc1c1f4d8c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (185)] Waiting until timeout for monitored process [2024-11-08 22:55:34,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:55:34,236 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:55:34,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:55:34,266 INFO L255 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-08 22:55:34,267 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:55:37,562 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 20 proven. 4 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-08 22:55:37,566 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8abf348-466b-45a7-911f-decc1c1f4d8c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (185)] Ended with exit code 0 [2024-11-08 22:55:37,576 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:55:37,576 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 43 states and 77 transitions. [2024-11-08 22:55:37,576 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 77 transitions. [2024-11-08 22:55:37,576 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2024-11-08 22:55:37,576 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:55:37,576 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:55:37,576 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8abf348-466b-45a7-911f-decc1c1f4d8c/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:55:37,577 INFO L229 MonitoredProcess]: Starting monitored process 186 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8abf348-466b-45a7-911f-decc1c1f4d8c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:55:37,579 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8abf348-466b-45a7-911f-decc1c1f4d8c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (186)] Waiting until timeout for monitored process [2024-11-08 22:55:37,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:55:37,807 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:55:37,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:55:37,845 INFO L255 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-08 22:55:37,846 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:55:41,221 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 20 proven. 4 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-08 22:55:41,225 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8abf348-466b-45a7-911f-decc1c1f4d8c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (186)] Forceful destruction successful, exit code 0 [2024-11-08 22:55:41,231 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:55:41,231 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 43 states and 77 transitions. [2024-11-08 22:55:41,231 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 77 transitions. [2024-11-08 22:55:41,231 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2024-11-08 22:55:41,232 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:55:41,232 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:55:41,232 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8abf348-466b-45a7-911f-decc1c1f4d8c/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:55:41,233 INFO L229 MonitoredProcess]: Starting monitored process 187 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8abf348-466b-45a7-911f-decc1c1f4d8c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:55:41,234 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8abf348-466b-45a7-911f-decc1c1f4d8c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (187)] Waiting until timeout for monitored process [2024-11-08 22:55:41,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:55:41,474 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:55:41,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:55:41,510 INFO L255 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-08 22:55:41,510 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:55:45,104 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 20 proven. 4 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-08 22:55:45,107 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8abf348-466b-45a7-911f-decc1c1f4d8c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (187)] Ended with exit code 0 [2024-11-08 22:55:45,112 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:55:45,113 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 43 states and 77 transitions. [2024-11-08 22:55:45,113 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 77 transitions. [2024-11-08 22:55:45,113 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2024-11-08 22:55:45,113 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:55:45,113 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:55:45,113 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8abf348-466b-45a7-911f-decc1c1f4d8c/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:55:45,114 INFO L229 MonitoredProcess]: Starting monitored process 188 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8abf348-466b-45a7-911f-decc1c1f4d8c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:55:45,115 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8abf348-466b-45a7-911f-decc1c1f4d8c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (188)] Waiting until timeout for monitored process [2024-11-08 22:55:45,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:55:45,334 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:55:45,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:55:45,367 INFO L255 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-08 22:55:45,368 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:55:48,709 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 20 proven. 4 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-08 22:55:48,712 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8abf348-466b-45a7-911f-decc1c1f4d8c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (188)] Ended with exit code 0 [2024-11-08 22:55:48,719 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:55:48,719 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 43 states and 77 transitions. [2024-11-08 22:55:48,719 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 77 transitions. [2024-11-08 22:55:48,719 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2024-11-08 22:55:48,719 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:55:48,720 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:55:48,720 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8abf348-466b-45a7-911f-decc1c1f4d8c/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:55:48,721 INFO L229 MonitoredProcess]: Starting monitored process 189 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8abf348-466b-45a7-911f-decc1c1f4d8c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:55:48,722 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8abf348-466b-45a7-911f-decc1c1f4d8c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (189)] Waiting until timeout for monitored process [2024-11-08 22:55:48,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:55:48,948 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:55:48,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:55:48,980 INFO L255 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-08 22:55:48,980 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:55:52,346 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 20 proven. 4 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-08 22:55:52,349 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8abf348-466b-45a7-911f-decc1c1f4d8c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (189)] Forceful destruction successful, exit code 0 [2024-11-08 22:55:52,355 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:55:52,355 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 43 states and 77 transitions. [2024-11-08 22:55:52,355 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 77 transitions. [2024-11-08 22:55:52,355 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2024-11-08 22:55:52,355 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:55:52,355 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:55:52,356 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8abf348-466b-45a7-911f-decc1c1f4d8c/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:55:52,356 INFO L229 MonitoredProcess]: Starting monitored process 190 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8abf348-466b-45a7-911f-decc1c1f4d8c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:55:52,358 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8abf348-466b-45a7-911f-decc1c1f4d8c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (190)] Waiting until timeout for monitored process [2024-11-08 22:55:52,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:55:52,617 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:55:52,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:55:52,665 INFO L255 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-08 22:55:52,666 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:55:56,136 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 20 proven. 4 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-08 22:55:56,139 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8abf348-466b-45a7-911f-decc1c1f4d8c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (190)] Forceful destruction successful, exit code 0 [2024-11-08 22:55:56,145 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:55:56,145 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 43 states and 77 transitions. [2024-11-08 22:55:56,145 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 77 transitions. [2024-11-08 22:55:56,145 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2024-11-08 22:55:56,145 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:55:56,145 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:55:56,145 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8abf348-466b-45a7-911f-decc1c1f4d8c/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:55:56,147 INFO L229 MonitoredProcess]: Starting monitored process 191 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8abf348-466b-45a7-911f-decc1c1f4d8c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:55:56,148 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8abf348-466b-45a7-911f-decc1c1f4d8c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (191)] Waiting until timeout for monitored process [2024-11-08 22:55:56,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:55:56,377 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:55:56,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:55:56,412 INFO L255 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-08 22:55:56,412 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:55:59,784 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 20 proven. 4 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-08 22:55:59,787 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8abf348-466b-45a7-911f-decc1c1f4d8c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (191)] Ended with exit code 0 [2024-11-08 22:55:59,793 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:55:59,793 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 43 states and 77 transitions. [2024-11-08 22:55:59,793 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 77 transitions. [2024-11-08 22:55:59,793 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2024-11-08 22:55:59,793 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:55:59,793 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:55:59,794 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8abf348-466b-45a7-911f-decc1c1f4d8c/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:55:59,795 INFO L229 MonitoredProcess]: Starting monitored process 192 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8abf348-466b-45a7-911f-decc1c1f4d8c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:55:59,798 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8abf348-466b-45a7-911f-decc1c1f4d8c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (192)] Waiting until timeout for monitored process [2024-11-08 22:56:00,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:56:00,084 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:56:00,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:56:00,129 INFO L255 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-08 22:56:00,130 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:56:03,686 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 20 proven. 4 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-08 22:56:03,689 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8abf348-466b-45a7-911f-decc1c1f4d8c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (192)] Ended with exit code 0 [2024-11-08 22:56:03,699 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:56:03,699 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 43 states and 77 transitions. [2024-11-08 22:56:03,699 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 77 transitions. [2024-11-08 22:56:03,699 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2024-11-08 22:56:03,699 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:56:03,699 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:56:03,700 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8abf348-466b-45a7-911f-decc1c1f4d8c/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:56:03,702 INFO L229 MonitoredProcess]: Starting monitored process 193 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8abf348-466b-45a7-911f-decc1c1f4d8c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:56:03,704 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8abf348-466b-45a7-911f-decc1c1f4d8c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (193)] Waiting until timeout for monitored process [2024-11-08 22:56:03,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:56:03,926 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:56:03,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:56:03,959 INFO L255 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 22:56:03,960 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:56:08,689 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 20 proven. 4 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-08 22:56:08,696 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8abf348-466b-45a7-911f-decc1c1f4d8c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (193)] Forceful destruction successful, exit code 0 [2024-11-08 22:56:08,703 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:56:08,704 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 43 states and 77 transitions. [2024-11-08 22:56:08,704 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 77 transitions. [2024-11-08 22:56:08,704 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2024-11-08 22:56:08,704 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:56:08,704 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:56:08,704 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8abf348-466b-45a7-911f-decc1c1f4d8c/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:56:08,705 INFO L229 MonitoredProcess]: Starting monitored process 194 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8abf348-466b-45a7-911f-decc1c1f4d8c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:56:08,707 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8abf348-466b-45a7-911f-decc1c1f4d8c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (194)] Waiting until timeout for monitored process [2024-11-08 22:56:08,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:56:08,935 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:56:08,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:56:08,968 INFO L255 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 22:56:08,969 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:56:13,752 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 20 proven. 4 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-08 22:56:13,755 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8abf348-466b-45a7-911f-decc1c1f4d8c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (194)] Ended with exit code 0 [2024-11-08 22:56:13,761 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:56:13,761 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 43 states and 77 transitions. [2024-11-08 22:56:13,761 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 77 transitions. [2024-11-08 22:56:13,761 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2024-11-08 22:56:13,761 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:56:13,762 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:56:13,762 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8abf348-466b-45a7-911f-decc1c1f4d8c/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:56:13,763 INFO L229 MonitoredProcess]: Starting monitored process 195 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8abf348-466b-45a7-911f-decc1c1f4d8c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:56:13,765 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8abf348-466b-45a7-911f-decc1c1f4d8c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (195)] Waiting until timeout for monitored process [2024-11-08 22:56:13,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:56:13,990 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:56:14,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:56:14,042 INFO L255 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-08 22:56:14,043 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:56:17,509 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 20 proven. 4 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-08 22:56:17,512 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8abf348-466b-45a7-911f-decc1c1f4d8c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (195)] Ended with exit code 0 [2024-11-08 22:56:17,522 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:56:17,522 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 43 states and 77 transitions. [2024-11-08 22:56:17,523 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 77 transitions. [2024-11-08 22:56:17,523 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2024-11-08 22:56:17,523 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:56:17,523 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:56:17,523 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8abf348-466b-45a7-911f-decc1c1f4d8c/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:56:17,524 INFO L229 MonitoredProcess]: Starting monitored process 196 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8abf348-466b-45a7-911f-decc1c1f4d8c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:56:17,526 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8abf348-466b-45a7-911f-decc1c1f4d8c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (196)] Waiting until timeout for monitored process [2024-11-08 22:56:17,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:56:17,747 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:56:17,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:56:17,781 INFO L255 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-08 22:56:17,782 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:56:21,117 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 20 proven. 4 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-08 22:56:21,121 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8abf348-466b-45a7-911f-decc1c1f4d8c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (196)] Ended with exit code 0 [2024-11-08 22:56:21,132 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:56:21,132 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 43 states and 77 transitions. [2024-11-08 22:56:21,132 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 77 transitions. [2024-11-08 22:56:21,133 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2024-11-08 22:56:21,133 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:56:21,133 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:56:21,133 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8abf348-466b-45a7-911f-decc1c1f4d8c/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:56:21,134 INFO L229 MonitoredProcess]: Starting monitored process 197 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8abf348-466b-45a7-911f-decc1c1f4d8c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:56:21,136 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8abf348-466b-45a7-911f-decc1c1f4d8c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (197)] Waiting until timeout for monitored process [2024-11-08 22:56:21,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:56:21,384 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:56:21,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:56:21,424 INFO L255 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-08 22:56:21,425 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:56:24,979 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 20 proven. 4 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-08 22:56:24,983 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8abf348-466b-45a7-911f-decc1c1f4d8c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (197)] Ended with exit code 0 [2024-11-08 22:56:24,988 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:56:24,988 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 43 states and 77 transitions. [2024-11-08 22:56:24,988 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 77 transitions. [2024-11-08 22:56:24,988 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2024-11-08 22:56:24,988 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:56:24,988 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:56:24,989 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8abf348-466b-45a7-911f-decc1c1f4d8c/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:56:24,990 INFO L229 MonitoredProcess]: Starting monitored process 198 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8abf348-466b-45a7-911f-decc1c1f4d8c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:56:24,991 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8abf348-466b-45a7-911f-decc1c1f4d8c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (198)] Waiting until timeout for monitored process [2024-11-08 22:56:25,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:56:25,209 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:56:25,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:56:25,237 INFO L255 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-08 22:56:25,238 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:56:28,601 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 20 proven. 4 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-08 22:56:28,604 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8abf348-466b-45a7-911f-decc1c1f4d8c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (198)] Forceful destruction successful, exit code 0 [2024-11-08 22:56:28,611 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:56:28,612 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 43 states and 77 transitions. [2024-11-08 22:56:28,612 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 77 transitions. [2024-11-08 22:56:28,612 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2024-11-08 22:56:28,612 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:56:28,612 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:56:28,612 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8abf348-466b-45a7-911f-decc1c1f4d8c/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:56:28,613 INFO L229 MonitoredProcess]: Starting monitored process 199 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8abf348-466b-45a7-911f-decc1c1f4d8c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:56:28,614 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8abf348-466b-45a7-911f-decc1c1f4d8c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (199)] Waiting until timeout for monitored process [2024-11-08 22:56:28,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:56:28,843 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:56:28,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:56:28,884 INFO L255 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-08 22:56:28,885 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:56:32,356 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 20 proven. 4 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-08 22:56:32,360 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8abf348-466b-45a7-911f-decc1c1f4d8c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (199)] Forceful destruction successful, exit code 0 [2024-11-08 22:56:32,365 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:56:32,365 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 43 states and 77 transitions. [2024-11-08 22:56:32,366 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 77 transitions. [2024-11-08 22:56:32,366 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2024-11-08 22:56:32,366 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:56:32,366 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:56:32,366 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8abf348-466b-45a7-911f-decc1c1f4d8c/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:56:32,367 INFO L229 MonitoredProcess]: Starting monitored process 200 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8abf348-466b-45a7-911f-decc1c1f4d8c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:56:32,369 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8abf348-466b-45a7-911f-decc1c1f4d8c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (200)] Waiting until timeout for monitored process [2024-11-08 22:56:32,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:56:32,626 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:56:32,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:56:32,724 INFO L255 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-08 22:56:32,725 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:56:36,087 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 20 proven. 4 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-08 22:56:36,090 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8abf348-466b-45a7-911f-decc1c1f4d8c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (200)] Forceful destruction successful, exit code 0 [2024-11-08 22:56:36,096 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:56:36,096 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 43 states and 77 transitions. [2024-11-08 22:56:36,096 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 77 transitions. [2024-11-08 22:56:36,096 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2024-11-08 22:56:36,096 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:56:36,096 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:56:36,097 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8abf348-466b-45a7-911f-decc1c1f4d8c/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:56:36,098 INFO L229 MonitoredProcess]: Starting monitored process 201 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8abf348-466b-45a7-911f-decc1c1f4d8c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:56:36,099 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8abf348-466b-45a7-911f-decc1c1f4d8c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (201)] Waiting until timeout for monitored process [2024-11-08 22:56:36,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:56:36,328 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:56:36,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:56:36,370 INFO L255 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 22:56:36,371 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:56:41,245 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 20 proven. 4 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-08 22:56:41,248 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8abf348-466b-45a7-911f-decc1c1f4d8c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (201)] Forceful destruction successful, exit code 0 [2024-11-08 22:56:41,258 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:56:41,259 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 43 states and 77 transitions. [2024-11-08 22:56:41,259 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 77 transitions. [2024-11-08 22:56:41,259 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2024-11-08 22:56:41,259 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:56:41,259 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:56:41,259 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8abf348-466b-45a7-911f-decc1c1f4d8c/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:56:41,261 INFO L229 MonitoredProcess]: Starting monitored process 202 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8abf348-466b-45a7-911f-decc1c1f4d8c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:56:41,262 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8abf348-466b-45a7-911f-decc1c1f4d8c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (202)] Waiting until timeout for monitored process [2024-11-08 22:56:41,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:56:41,494 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:56:41,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:56:41,533 INFO L255 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-08 22:56:41,534 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:56:45,144 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 20 proven. 4 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-08 22:56:45,148 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8abf348-466b-45a7-911f-decc1c1f4d8c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (202)] Forceful destruction successful, exit code 0 [2024-11-08 22:56:45,155 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:56:45,156 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 43 states and 77 transitions. [2024-11-08 22:56:45,156 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 77 transitions. [2024-11-08 22:56:45,156 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2024-11-08 22:56:45,156 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:56:45,156 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:56:45,156 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8abf348-466b-45a7-911f-decc1c1f4d8c/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:56:45,159 INFO L229 MonitoredProcess]: Starting monitored process 203 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8abf348-466b-45a7-911f-decc1c1f4d8c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:56:45,161 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8abf348-466b-45a7-911f-decc1c1f4d8c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (203)] Waiting until timeout for monitored process [2024-11-08 22:56:45,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:56:45,402 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:56:45,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:56:45,434 INFO L255 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 22:56:45,435 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:56:50,259 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 20 proven. 4 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-08 22:56:50,266 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8abf348-466b-45a7-911f-decc1c1f4d8c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (203)] Ended with exit code 0 [2024-11-08 22:56:50,273 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:56:50,274 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 43 states and 77 transitions. [2024-11-08 22:56:50,274 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 77 transitions. [2024-11-08 22:56:50,274 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2024-11-08 22:56:50,274 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:56:50,274 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:56:50,274 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8abf348-466b-45a7-911f-decc1c1f4d8c/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:56:50,277 INFO L229 MonitoredProcess]: Starting monitored process 204 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8abf348-466b-45a7-911f-decc1c1f4d8c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:56:50,278 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8abf348-466b-45a7-911f-decc1c1f4d8c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (204)] Waiting until timeout for monitored process [2024-11-08 22:56:50,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:56:50,477 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:56:50,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:56:50,506 INFO L255 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 22:56:50,506 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:56:55,557 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 20 proven. 4 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-08 22:56:55,560 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8abf348-466b-45a7-911f-decc1c1f4d8c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (204)] Ended with exit code 0 [2024-11-08 22:56:55,565 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:56:55,566 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 43 states and 77 transitions. [2024-11-08 22:56:55,566 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 77 transitions. [2024-11-08 22:56:55,566 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2024-11-08 22:56:55,566 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:56:55,566 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:56:55,566 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8abf348-466b-45a7-911f-decc1c1f4d8c/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:56:55,568 INFO L229 MonitoredProcess]: Starting monitored process 205 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8abf348-466b-45a7-911f-decc1c1f4d8c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:56:55,569 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8abf348-466b-45a7-911f-decc1c1f4d8c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (205)] Waiting until timeout for monitored process [2024-11-08 22:56:55,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:56:55,800 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:56:55,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:56:55,848 INFO L255 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-08 22:56:55,849 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:56:59,190 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 20 proven. 4 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-08 22:56:59,193 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8abf348-466b-45a7-911f-decc1c1f4d8c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (205)] Forceful destruction successful, exit code 0 [2024-11-08 22:56:59,200 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:56:59,200 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 43 states and 77 transitions. [2024-11-08 22:56:59,200 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 77 transitions. [2024-11-08 22:56:59,201 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2024-11-08 22:56:59,201 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:56:59,201 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:56:59,201 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8abf348-466b-45a7-911f-decc1c1f4d8c/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:56:59,204 INFO L229 MonitoredProcess]: Starting monitored process 206 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8abf348-466b-45a7-911f-decc1c1f4d8c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:56:59,204 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8abf348-466b-45a7-911f-decc1c1f4d8c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (206)] Waiting until timeout for monitored process [2024-11-08 22:56:59,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:56:59,404 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:56:59,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:56:59,436 INFO L255 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-08 22:56:59,437 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:57:03,081 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 20 proven. 4 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-08 22:57:03,084 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8abf348-466b-45a7-911f-decc1c1f4d8c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (206)] Ended with exit code 0 [2024-11-08 22:57:03,092 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:57:03,092 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 43 states and 77 transitions. [2024-11-08 22:57:03,092 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 77 transitions. [2024-11-08 22:57:03,092 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2024-11-08 22:57:03,092 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:57:03,092 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:57:03,093 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8abf348-466b-45a7-911f-decc1c1f4d8c/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:57:03,093 INFO L229 MonitoredProcess]: Starting monitored process 207 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8abf348-466b-45a7-911f-decc1c1f4d8c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:57:03,094 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8abf348-466b-45a7-911f-decc1c1f4d8c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (207)] Waiting until timeout for monitored process [2024-11-08 22:57:03,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:57:03,333 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:57:03,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:57:03,365 INFO L255 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-08 22:57:03,366 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:57:06,964 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 20 proven. 4 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-08 22:57:06,967 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8abf348-466b-45a7-911f-decc1c1f4d8c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (207)] Forceful destruction successful, exit code 0 [2024-11-08 22:57:06,973 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:57:06,973 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 43 states and 77 transitions. [2024-11-08 22:57:06,974 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 77 transitions. [2024-11-08 22:57:06,974 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2024-11-08 22:57:06,974 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:57:06,974 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:57:06,974 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8abf348-466b-45a7-911f-decc1c1f4d8c/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:57:06,977 INFO L229 MonitoredProcess]: Starting monitored process 208 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8abf348-466b-45a7-911f-decc1c1f4d8c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:57:06,981 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8abf348-466b-45a7-911f-decc1c1f4d8c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (208)] Waiting until timeout for monitored process [2024-11-08 22:57:07,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:57:07,225 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:57:07,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:57:07,256 INFO L255 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-08 22:57:07,257 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:57:10,947 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 20 proven. 4 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-08 22:57:10,951 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8abf348-466b-45a7-911f-decc1c1f4d8c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (208)] Forceful destruction successful, exit code 0 [2024-11-08 22:57:10,956 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:57:10,956 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 43 states and 77 transitions. [2024-11-08 22:57:10,956 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 77 transitions. [2024-11-08 22:57:10,956 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2024-11-08 22:57:10,956 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:57:10,957 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:57:10,957 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8abf348-466b-45a7-911f-decc1c1f4d8c/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:57:10,958 INFO L229 MonitoredProcess]: Starting monitored process 209 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8abf348-466b-45a7-911f-decc1c1f4d8c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:57:10,959 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8abf348-466b-45a7-911f-decc1c1f4d8c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (209)] Waiting until timeout for monitored process [2024-11-08 22:57:11,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:57:11,191 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:57:11,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:57:11,227 INFO L255 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-08 22:57:11,228 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:57:14,957 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 20 proven. 4 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-08 22:57:14,963 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8abf348-466b-45a7-911f-decc1c1f4d8c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (209)] Ended with exit code 0 [2024-11-08 22:57:14,970 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:57:14,970 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 43 states and 77 transitions. [2024-11-08 22:57:14,970 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 77 transitions. [2024-11-08 22:57:14,971 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2024-11-08 22:57:14,971 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:57:14,971 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:57:14,971 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8abf348-466b-45a7-911f-decc1c1f4d8c/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:57:14,974 INFO L229 MonitoredProcess]: Starting monitored process 210 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8abf348-466b-45a7-911f-decc1c1f4d8c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:57:14,975 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8abf348-466b-45a7-911f-decc1c1f4d8c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (210)] Waiting until timeout for monitored process [2024-11-08 22:57:15,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:57:15,218 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:57:15,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:57:15,253 INFO L255 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-08 22:57:15,254 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:57:18,806 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 20 proven. 4 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-08 22:57:18,810 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8abf348-466b-45a7-911f-decc1c1f4d8c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (210)] Forceful destruction successful, exit code 0 [2024-11-08 22:57:18,817 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:57:18,817 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 43 states and 77 transitions. [2024-11-08 22:57:18,817 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 77 transitions. [2024-11-08 22:57:18,817 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2024-11-08 22:57:18,817 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:57:18,817 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:57:18,817 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8abf348-466b-45a7-911f-decc1c1f4d8c/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:57:18,822 INFO L229 MonitoredProcess]: Starting monitored process 211 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8abf348-466b-45a7-911f-decc1c1f4d8c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:57:18,823 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8abf348-466b-45a7-911f-decc1c1f4d8c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (211)] Waiting until timeout for monitored process [2024-11-08 22:57:19,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:57:19,079 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:57:19,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:57:19,121 INFO L255 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 22:57:19,122 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:57:24,385 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 20 proven. 4 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-08 22:57:24,388 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8abf348-466b-45a7-911f-decc1c1f4d8c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (211)] Forceful destruction successful, exit code 0 [2024-11-08 22:57:24,407 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:57:24,408 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 43 states and 77 transitions. [2024-11-08 22:57:24,408 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 77 transitions. [2024-11-08 22:57:24,408 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2024-11-08 22:57:24,408 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:57:24,408 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:57:24,408 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8abf348-466b-45a7-911f-decc1c1f4d8c/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:57:24,409 INFO L229 MonitoredProcess]: Starting monitored process 212 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8abf348-466b-45a7-911f-decc1c1f4d8c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:57:24,411 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8abf348-466b-45a7-911f-decc1c1f4d8c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (212)] Waiting until timeout for monitored process [2024-11-08 22:57:24,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:57:24,640 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:57:24,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:57:24,679 INFO L255 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-08 22:57:24,680 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:57:28,119 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 20 proven. 4 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-08 22:57:28,123 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8abf348-466b-45a7-911f-decc1c1f4d8c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (212)] Ended with exit code 0 [2024-11-08 22:57:28,129 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:57:28,129 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 43 states and 77 transitions. [2024-11-08 22:57:28,129 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 77 transitions. [2024-11-08 22:57:28,130 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2024-11-08 22:57:28,130 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:57:28,130 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:57:28,130 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8abf348-466b-45a7-911f-decc1c1f4d8c/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:57:28,131 INFO L229 MonitoredProcess]: Starting monitored process 213 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8abf348-466b-45a7-911f-decc1c1f4d8c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:57:28,133 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8abf348-466b-45a7-911f-decc1c1f4d8c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (213)] Waiting until timeout for monitored process [2024-11-08 22:57:28,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:57:28,359 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:57:28,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:57:28,396 INFO L255 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-08 22:57:28,397 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:57:31,944 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 20 proven. 4 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-08 22:57:31,947 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8abf348-466b-45a7-911f-decc1c1f4d8c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (213)] Forceful destruction successful, exit code 0 [2024-11-08 22:57:31,953 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:57:31,953 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 43 states and 77 transitions. [2024-11-08 22:57:31,953 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 77 transitions. [2024-11-08 22:57:31,954 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2024-11-08 22:57:31,954 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:57:31,954 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:57:31,954 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8abf348-466b-45a7-911f-decc1c1f4d8c/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:57:31,955 INFO L229 MonitoredProcess]: Starting monitored process 214 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8abf348-466b-45a7-911f-decc1c1f4d8c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:57:31,956 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8abf348-466b-45a7-911f-decc1c1f4d8c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (214)] Waiting until timeout for monitored process [2024-11-08 22:57:32,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:57:32,183 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:57:32,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:57:32,215 INFO L255 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-08 22:57:32,216 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:57:35,717 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 20 proven. 4 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-08 22:57:35,720 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8abf348-466b-45a7-911f-decc1c1f4d8c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (214)] Ended with exit code 0 [2024-11-08 22:57:35,726 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:57:35,726 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 43 states and 77 transitions. [2024-11-08 22:57:35,726 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 77 transitions. [2024-11-08 22:57:35,727 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2024-11-08 22:57:35,727 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:57:35,727 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:57:35,727 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8abf348-466b-45a7-911f-decc1c1f4d8c/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:57:35,728 INFO L229 MonitoredProcess]: Starting monitored process 215 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8abf348-466b-45a7-911f-decc1c1f4d8c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:57:35,729 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8abf348-466b-45a7-911f-decc1c1f4d8c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (215)] Waiting until timeout for monitored process [2024-11-08 22:57:35,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:57:35,923 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:57:35,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:57:35,970 INFO L255 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-08 22:57:35,971 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:57:39,722 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 20 proven. 4 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-08 22:57:39,727 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8abf348-466b-45a7-911f-decc1c1f4d8c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (215)] Ended with exit code 0 [2024-11-08 22:57:39,740 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:57:39,740 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 43 states and 77 transitions. [2024-11-08 22:57:39,740 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 77 transitions. [2024-11-08 22:57:39,740 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2024-11-08 22:57:39,741 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:57:39,741 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:57:39,741 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8abf348-466b-45a7-911f-decc1c1f4d8c/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:57:39,745 INFO L229 MonitoredProcess]: Starting monitored process 216 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8abf348-466b-45a7-911f-decc1c1f4d8c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:57:39,754 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8abf348-466b-45a7-911f-decc1c1f4d8c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (216)] Waiting until timeout for monitored process [2024-11-08 22:57:40,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:57:40,053 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:57:40,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:57:40,101 INFO L255 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-08 22:57:40,101 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:57:44,385 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 20 proven. 4 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-08 22:57:44,388 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8abf348-466b-45a7-911f-decc1c1f4d8c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (216)] Ended with exit code 0 [2024-11-08 22:57:44,395 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:57:44,395 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 43 states and 77 transitions. [2024-11-08 22:57:44,395 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 77 transitions. [2024-11-08 22:57:44,395 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2024-11-08 22:57:44,395 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:57:44,395 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:57:44,396 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8abf348-466b-45a7-911f-decc1c1f4d8c/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:57:44,396 INFO L229 MonitoredProcess]: Starting monitored process 217 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8abf348-466b-45a7-911f-decc1c1f4d8c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:57:44,398 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8abf348-466b-45a7-911f-decc1c1f4d8c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (217)] Waiting until timeout for monitored process [2024-11-08 22:57:44,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:57:44,623 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:57:44,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:57:44,667 INFO L255 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-08 22:57:44,668 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:57:48,211 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 20 proven. 4 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-08 22:57:48,215 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8abf348-466b-45a7-911f-decc1c1f4d8c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (217)] Forceful destruction successful, exit code 0 [2024-11-08 22:57:48,221 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:57:48,221 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 43 states and 77 transitions. [2024-11-08 22:57:48,221 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 77 transitions. [2024-11-08 22:57:48,222 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2024-11-08 22:57:48,222 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:57:48,222 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:57:48,222 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8abf348-466b-45a7-911f-decc1c1f4d8c/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:57:48,223 INFO L229 MonitoredProcess]: Starting monitored process 218 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8abf348-466b-45a7-911f-decc1c1f4d8c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:57:48,224 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8abf348-466b-45a7-911f-decc1c1f4d8c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (218)] Waiting until timeout for monitored process [2024-11-08 22:57:48,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:57:48,499 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:57:48,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:57:48,551 INFO L255 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-08 22:57:48,552 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:57:52,339 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 20 proven. 4 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-08 22:57:52,343 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8abf348-466b-45a7-911f-decc1c1f4d8c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (218)] Forceful destruction successful, exit code 0 [2024-11-08 22:57:52,349 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:57:52,349 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 43 states and 77 transitions. [2024-11-08 22:57:52,349 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 77 transitions. [2024-11-08 22:57:52,350 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2024-11-08 22:57:52,350 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:57:52,350 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:57:52,350 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8abf348-466b-45a7-911f-decc1c1f4d8c/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:57:52,353 INFO L229 MonitoredProcess]: Starting monitored process 219 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8abf348-466b-45a7-911f-decc1c1f4d8c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:57:52,357 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8abf348-466b-45a7-911f-decc1c1f4d8c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (219)] Waiting until timeout for monitored process [2024-11-08 22:57:52,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:57:52,692 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:57:52,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:57:52,754 INFO L255 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-08 22:57:52,755 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:57:56,481 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 20 proven. 4 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-08 22:57:56,484 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8abf348-466b-45a7-911f-decc1c1f4d8c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (219)] Ended with exit code 0 [2024-11-08 22:57:56,489 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:57:56,490 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 43 states and 77 transitions. [2024-11-08 22:57:56,490 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 77 transitions. [2024-11-08 22:57:56,490 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2024-11-08 22:57:56,490 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:57:56,490 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:57:56,490 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8abf348-466b-45a7-911f-decc1c1f4d8c/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:57:56,491 INFO L229 MonitoredProcess]: Starting monitored process 220 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8abf348-466b-45a7-911f-decc1c1f4d8c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:57:56,492 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8abf348-466b-45a7-911f-decc1c1f4d8c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (220)] Waiting until timeout for monitored process [2024-11-08 22:57:56,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:57:56,726 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:57:56,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:57:56,765 INFO L255 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 22:57:56,766 INFO L278 TraceCheckSpWp]: Computing forward predicates...