./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-22.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version d790fecc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/config/KojakReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-22.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3 --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 980b1737abc4897cffcf9ffd697bb8a6c2567cb964b43bf5603c43f896e3728c --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-25 05:22:14,911 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-25 05:22:15,003 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-11-25 05:22:15,009 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-25 05:22:15,009 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-25 05:22:15,052 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-25 05:22:15,053 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-25 05:22:15,054 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-25 05:22:15,054 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-25 05:22:15,055 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-25 05:22:15,056 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-25 05:22:15,056 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-25 05:22:15,056 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-25 05:22:15,056 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-25 05:22:15,057 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-25 05:22:15,058 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-25 05:22:15,058 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-25 05:22:15,058 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-25 05:22:15,058 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-25 05:22:15,058 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-25 05:22:15,059 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-25 05:22:15,059 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-25 05:22:15,059 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-25 05:22:15,059 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-25 05:22:15,059 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-25 05:22:15,059 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-25 05:22:15,060 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-25 05:22:15,060 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 05:22:15,060 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-25 05:22:15,060 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-25 05:22:15,060 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-25 05:22:15,060 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-25 05:22:15,061 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-25 05:22:15,061 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 980b1737abc4897cffcf9ffd697bb8a6c2567cb964b43bf5603c43f896e3728c [2024-11-25 05:22:15,416 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-25 05:22:15,429 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-25 05:22:15,432 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-25 05:22:15,433 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-25 05:22:15,436 INFO L274 PluginConnector]: CDTParser initialized [2024-11-25 05:22:15,437 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-22.i [2024-11-25 05:22:18,494 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/data/6aa634249/f1f053f6a20b45bf942bd7f1af3fdd54/FLAG39c562b59 [2024-11-25 05:22:18,852 INFO L384 CDTParser]: Found 1 translation units. [2024-11-25 05:22:18,852 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-22.i [2024-11-25 05:22:18,863 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/data/6aa634249/f1f053f6a20b45bf942bd7f1af3fdd54/FLAG39c562b59 [2024-11-25 05:22:18,889 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/data/6aa634249/f1f053f6a20b45bf942bd7f1af3fdd54 [2024-11-25 05:22:18,894 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-25 05:22:18,898 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-25 05:22:18,900 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-25 05:22:18,901 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-25 05:22:18,906 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-25 05:22:18,907 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 05:22:18" (1/1) ... [2024-11-25 05:22:18,910 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6ec3c80d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:22:18, skipping insertion in model container [2024-11-25 05:22:18,910 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 05:22:18" (1/1) ... [2024-11-25 05:22:18,940 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-25 05:22:19,135 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_474956a2-f823-472e-a3b3-4fb375f1ce0e/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-22.i[915,928] [2024-11-25 05:22:19,178 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 05:22:19,192 INFO L200 MainTranslator]: Completed pre-run [2024-11-25 05:22:19,206 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_474956a2-f823-472e-a3b3-4fb375f1ce0e/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-22.i[915,928] [2024-11-25 05:22:19,226 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 05:22:19,255 INFO L204 MainTranslator]: Completed translation [2024-11-25 05:22:19,256 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:22:19 WrapperNode [2024-11-25 05:22:19,256 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-25 05:22:19,257 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-25 05:22:19,257 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-25 05:22:19,258 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-25 05:22:19,269 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:22:19" (1/1) ... [2024-11-25 05:22:19,283 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:22:19" (1/1) ... [2024-11-25 05:22:19,313 INFO L138 Inliner]: procedures = 26, calls = 18, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 61 [2024-11-25 05:22:19,316 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-25 05:22:19,317 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-25 05:22:19,318 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-25 05:22:19,318 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-25 05:22:19,326 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:22:19" (1/1) ... [2024-11-25 05:22:19,327 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:22:19" (1/1) ... [2024-11-25 05:22:19,328 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:22:19" (1/1) ... [2024-11-25 05:22:19,329 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:22:19" (1/1) ... [2024-11-25 05:22:19,334 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:22:19" (1/1) ... [2024-11-25 05:22:19,335 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:22:19" (1/1) ... [2024-11-25 05:22:19,338 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:22:19" (1/1) ... [2024-11-25 05:22:19,339 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:22:19" (1/1) ... [2024-11-25 05:22:19,340 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:22:19" (1/1) ... [2024-11-25 05:22:19,342 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-25 05:22:19,343 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-25 05:22:19,343 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-25 05:22:19,343 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-25 05:22:19,344 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:22:19" (1/1) ... [2024-11-25 05:22:19,350 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 05:22:19,363 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/z3 [2024-11-25 05:22:19,379 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-25 05:22:19,384 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-25 05:22:19,415 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-25 05:22:19,416 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-25 05:22:19,416 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-25 05:22:19,416 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-25 05:22:19,416 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-25 05:22:19,417 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-25 05:22:19,488 INFO L234 CfgBuilder]: Building ICFG [2024-11-25 05:22:19,490 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-25 05:22:19,683 INFO L? ?]: Removed 8 outVars from TransFormulas that were not future-live. [2024-11-25 05:22:19,683 INFO L283 CfgBuilder]: Performing block encoding [2024-11-25 05:22:19,778 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-25 05:22:19,779 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-25 05:22:19,779 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 05:22:19 BoogieIcfgContainer [2024-11-25 05:22:19,779 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-25 05:22:19,780 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-25 05:22:19,781 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-25 05:22:19,793 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-25 05:22:19,794 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 05:22:19" (1/1) ... [2024-11-25 05:22:19,804 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-25 05:22:19,862 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:22:19,880 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 18 states and 23 transitions. [2024-11-25 05:22:19,882 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 23 transitions. [2024-11-25 05:22:19,889 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-25 05:22:19,890 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:22:19,891 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 05:22:20,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 05:22:20,104 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-25 05:22:20,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 05:22:20,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 05:22:20,317 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-25 05:22:20,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 05:22:20,401 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-11-25 05:22:20,455 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 25.11 05:22:20 ImpRootNode [2024-11-25 05:22:20,455 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-25 05:22:20,456 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-25 05:22:20,456 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-25 05:22:20,456 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-25 05:22:20,457 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 05:22:19" (3/4) ... [2024-11-25 05:22:20,464 INFO L149 WitnessPrinter]: No result that supports witness generation found [2024-11-25 05:22:20,465 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-25 05:22:20,467 INFO L158 Benchmark]: Toolchain (without parser) took 1568.79ms. Allocated memory is still 142.6MB. Free memory was 104.9MB in the beginning and 56.8MB in the end (delta: 48.1MB). Peak memory consumption was 50.3MB. Max. memory is 16.1GB. [2024-11-25 05:22:20,467 INFO L158 Benchmark]: CDTParser took 1.38ms. Allocated memory is still 167.8MB. Free memory is still 105.0MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 05:22:20,468 INFO L158 Benchmark]: CACSL2BoogieTranslator took 356.27ms. Allocated memory is still 142.6MB. Free memory was 104.9MB in the beginning and 93.4MB in the end (delta: 11.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-25 05:22:20,468 INFO L158 Benchmark]: Boogie Procedure Inliner took 58.89ms. Allocated memory is still 142.6MB. Free memory was 93.4MB in the beginning and 91.9MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 05:22:20,469 INFO L158 Benchmark]: Boogie Preprocessor took 25.22ms. Allocated memory is still 142.6MB. Free memory was 91.9MB in the beginning and 91.2MB in the end (delta: 715.8kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 05:22:20,469 INFO L158 Benchmark]: RCFGBuilder took 436.77ms. Allocated memory is still 142.6MB. Free memory was 91.0MB in the beginning and 75.7MB in the end (delta: 15.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-25 05:22:20,470 INFO L158 Benchmark]: CodeCheck took 674.79ms. Allocated memory is still 142.6MB. Free memory was 75.7MB in the beginning and 57.1MB in the end (delta: 18.5MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2024-11-25 05:22:20,470 INFO L158 Benchmark]: Witness Printer took 9.36ms. Allocated memory is still 142.6MB. Free memory was 57.1MB in the beginning and 56.8MB in the end (delta: 338.0kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 05:22:20,473 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 2 procedures, 18 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.6s, OverallIterations: 1, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: 0 DeclaredPredicates, 0 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 23 NumberOfCodeBlocks, 23 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available, ConComCheckerStatistics: 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 49, overapproximation of someBinaryFLOATComparisonOperation at line 54, overapproximation of someBinaryDOUBLEComparisonOperation at line 47, overapproximation of someBinaryDOUBLEComparisonOperation at line 31, overapproximation of someBinaryDOUBLEComparisonOperation at line 42. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] unsigned char var_1_1 = 0; [L23] double var_1_2 = 999999.2; [L24] unsigned char var_1_3 = 0; [L25] float var_1_4 = 100.52; [L26] double var_1_5 = 31.2; [L27] float var_1_6 = 5.8; [L58] isInitial = 1 [L59] FCALL initially() [L61] FCALL updateLastVariables() [L62] CALL updateVariables() [L41] var_1_2 = __VERIFIER_nondet_double() [L42] CALL assume_abort_if_not((var_1_2 >= -922337.2036854776000e+13F && var_1_2 <= -1.0e-20F) || (var_1_2 <= 9223372.036854776000e+12F && var_1_2 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_1=0, var_1_3=0, var_1_4=2513/25, var_1_5=156/5, var_1_6=29/5] [L20] COND FALSE !(!cond) [L42] RET assume_abort_if_not((var_1_2 >= -922337.2036854776000e+13F && var_1_2 <= -1.0e-20F) || (var_1_2 <= 9223372.036854776000e+12F && var_1_2 >= 1.0e-20F )) VAL [isInitial=1, var_1_1=0, var_1_3=0, var_1_4=2513/25, var_1_5=156/5, var_1_6=29/5] [L43] var_1_3 = __VERIFIER_nondet_uchar() [L44] CALL assume_abort_if_not(var_1_3 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_1=0, var_1_4=2513/25, var_1_5=156/5, var_1_6=29/5] [L20] COND FALSE !(!cond) [L44] RET assume_abort_if_not(var_1_3 >= 0) VAL [isInitial=1, var_1_1=0, var_1_4=2513/25, var_1_5=156/5, var_1_6=29/5] [L45] CALL assume_abort_if_not(var_1_3 <= 0) VAL [\old(cond)=1, isInitial=1, var_1_1=0, var_1_3=0, var_1_4=2513/25, var_1_5=156/5, var_1_6=29/5] [L20] COND FALSE !(!cond) [L45] RET assume_abort_if_not(var_1_3 <= 0) VAL [isInitial=1, var_1_1=0, var_1_3=0, var_1_4=2513/25, var_1_5=156/5, var_1_6=29/5] [L46] var_1_5 = __VERIFIER_nondet_double() [L47] CALL assume_abort_if_not((var_1_5 >= -922337.2036854776000e+13F && var_1_5 <= -1.0e-20F) || (var_1_5 <= 9223372.036854776000e+12F && var_1_5 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_1=0, var_1_3=0, var_1_4=2513/25, var_1_6=29/5] [L20] COND FALSE !(!cond) [L47] RET assume_abort_if_not((var_1_5 >= -922337.2036854776000e+13F && var_1_5 <= -1.0e-20F) || (var_1_5 <= 9223372.036854776000e+12F && var_1_5 >= 1.0e-20F )) VAL [isInitial=1, var_1_1=0, var_1_3=0, var_1_4=2513/25, var_1_6=29/5] [L48] var_1_6 = __VERIFIER_nondet_float() [L49] CALL assume_abort_if_not((var_1_6 >= -922337.2036854765600e+13F && var_1_6 <= -1.0e-20F) || (var_1_6 <= 9223372.036854765600e+12F && var_1_6 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_1=0, var_1_3=0, var_1_4=2513/25] [L20] COND FALSE !(!cond) [L49] RET assume_abort_if_not((var_1_6 >= -922337.2036854765600e+13F && var_1_6 <= -1.0e-20F) || (var_1_6 <= 9223372.036854765600e+12F && var_1_6 >= 1.0e-20F )) VAL [isInitial=1, var_1_1=0, var_1_3=0, var_1_4=2513/25] [L62] RET updateVariables() [L63] CALL step() [L31] COND TRUE var_1_2 <= var_1_5 [L32] COND TRUE ! var_1_3 [L33] var_1_4 = var_1_6 [L36] COND FALSE !(1.125 >= var_1_4) [L63] RET step() [L64] CALL, EXPR property() [L54-L55] return ((1.125 >= var_1_4) ? (var_1_1 == ((unsigned char) (! (! var_1_3)))) : 1) && ((var_1_2 <= var_1_5) ? ((! var_1_3) ? (var_1_4 == ((float) var_1_6)) : 1) : 1) ; [L64] RET, EXPR property() [L64] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [isInitial=1, var_1_1=0, var_1_3=0, var_1_4=2513/25, var_1_6=2513/25] [L19] reach_error() VAL [isInitial=1, var_1_1=0, var_1_3=0, var_1_4=2513/25, var_1_6=2513/25] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.38ms. Allocated memory is still 167.8MB. Free memory is still 105.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 356.27ms. Allocated memory is still 142.6MB. Free memory was 104.9MB in the beginning and 93.4MB in the end (delta: 11.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 58.89ms. Allocated memory is still 142.6MB. Free memory was 93.4MB in the beginning and 91.9MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 25.22ms. Allocated memory is still 142.6MB. Free memory was 91.9MB in the beginning and 91.2MB in the end (delta: 715.8kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 436.77ms. Allocated memory is still 142.6MB. Free memory was 91.0MB in the beginning and 75.7MB in the end (delta: 15.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 674.79ms. Allocated memory is still 142.6MB. Free memory was 75.7MB in the beginning and 57.1MB in the end (delta: 18.5MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * Witness Printer took 9.36ms. Allocated memory is still 142.6MB. Free memory was 57.1MB in the beginning and 56.8MB in the end (delta: 338.0kB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-25 05:22:20,499 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/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/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/config/KojakReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-22.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Reach-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3 --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 980b1737abc4897cffcf9ffd697bb8a6c2567cb964b43bf5603c43f896e3728c --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-25 05:22:23,547 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-25 05:22:23,679 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2024-11-25 05:22:23,745 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-25 05:22:23,747 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-25 05:22:23,747 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-25 05:22:23,747 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-25 05:22:23,747 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-25 05:22:23,748 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-25 05:22:23,748 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-25 05:22:23,748 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-25 05:22:23,748 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-25 05:22:23,748 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-25 05:22:23,748 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-25 05:22:23,748 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-25 05:22:23,748 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-25 05:22:23,748 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-25 05:22:23,749 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-25 05:22:23,749 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-25 05:22:23,749 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-25 05:22:23,749 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-25 05:22:23,749 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-25 05:22:23,749 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-25 05:22:23,749 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-25 05:22:23,749 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-25 05:22:23,749 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-25 05:22:23,751 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-11-25 05:22:23,752 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-11-25 05:22:23,752 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-25 05:22:23,752 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 05:22:23,752 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-25 05:22:23,753 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-25 05:22:23,753 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-25 05:22:23,753 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-25 05:22:23,753 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-25 05:22:23,753 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-11-25 05:22:23,753 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 980b1737abc4897cffcf9ffd697bb8a6c2567cb964b43bf5603c43f896e3728c [2024-11-25 05:22:24,104 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-25 05:22:24,112 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-25 05:22:24,114 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-25 05:22:24,116 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-25 05:22:24,116 INFO L274 PluginConnector]: CDTParser initialized [2024-11-25 05:22:24,118 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-22.i [2024-11-25 05:22:27,053 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/data/8df7c2868/29fecac747db48378b01dca942356504/FLAGa85922f93 [2024-11-25 05:22:27,313 INFO L384 CDTParser]: Found 1 translation units. [2024-11-25 05:22:27,313 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-22.i [2024-11-25 05:22:27,337 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/data/8df7c2868/29fecac747db48378b01dca942356504/FLAGa85922f93 [2024-11-25 05:22:27,360 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/data/8df7c2868/29fecac747db48378b01dca942356504 [2024-11-25 05:22:27,363 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-25 05:22:27,368 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-25 05:22:27,369 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-25 05:22:27,370 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-25 05:22:27,376 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-25 05:22:27,377 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 05:22:27" (1/1) ... [2024-11-25 05:22:27,378 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1d5970ba and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:22:27, skipping insertion in model container [2024-11-25 05:22:27,378 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 05:22:27" (1/1) ... [2024-11-25 05:22:27,397 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-25 05:22:27,591 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_474956a2-f823-472e-a3b3-4fb375f1ce0e/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-22.i[915,928] [2024-11-25 05:22:27,637 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 05:22:27,655 INFO L200 MainTranslator]: Completed pre-run [2024-11-25 05:22:27,669 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_474956a2-f823-472e-a3b3-4fb375f1ce0e/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-22.i[915,928] [2024-11-25 05:22:27,687 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 05:22:27,712 INFO L204 MainTranslator]: Completed translation [2024-11-25 05:22:27,713 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:22:27 WrapperNode [2024-11-25 05:22:27,714 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-25 05:22:27,715 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-25 05:22:27,715 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-25 05:22:27,715 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-25 05:22:27,721 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:22:27" (1/1) ... [2024-11-25 05:22:27,733 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:22:27" (1/1) ... [2024-11-25 05:22:27,761 INFO L138 Inliner]: procedures = 27, calls = 18, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 61 [2024-11-25 05:22:27,763 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-25 05:22:27,763 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-25 05:22:27,764 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-25 05:22:27,764 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-25 05:22:27,771 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:22:27" (1/1) ... [2024-11-25 05:22:27,771 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:22:27" (1/1) ... [2024-11-25 05:22:27,774 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:22:27" (1/1) ... [2024-11-25 05:22:27,778 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:22:27" (1/1) ... [2024-11-25 05:22:27,788 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:22:27" (1/1) ... [2024-11-25 05:22:27,793 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:22:27" (1/1) ... [2024-11-25 05:22:27,800 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:22:27" (1/1) ... [2024-11-25 05:22:27,801 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:22:27" (1/1) ... [2024-11-25 05:22:27,802 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:22:27" (1/1) ... [2024-11-25 05:22:27,804 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-25 05:22:27,807 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-25 05:22:27,809 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-25 05:22:27,809 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-25 05:22:27,810 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:22:27" (1/1) ... [2024-11-25 05:22:27,819 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 05:22:27,832 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/z3 [2024-11-25 05:22:27,843 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-25 05:22:27,852 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-25 05:22:27,873 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-25 05:22:27,873 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-11-25 05:22:27,874 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-25 05:22:27,874 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-25 05:22:27,874 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-25 05:22:27,874 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-25 05:22:27,962 INFO L234 CfgBuilder]: Building ICFG [2024-11-25 05:22:27,965 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-25 05:22:28,372 INFO L? ?]: Removed 8 outVars from TransFormulas that were not future-live. [2024-11-25 05:22:28,372 INFO L283 CfgBuilder]: Performing block encoding [2024-11-25 05:22:28,509 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-25 05:22:28,512 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-25 05:22:28,513 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 05:22:28 BoogieIcfgContainer [2024-11-25 05:22:28,513 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-25 05:22:28,514 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-25 05:22:28,514 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-25 05:22:28,526 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-25 05:22:28,526 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 05:22:28" (1/1) ... [2024-11-25 05:22:28,531 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-25 05:22:28,574 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:22:28,583 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 18 states and 23 transitions. [2024-11-25 05:22:28,583 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 23 transitions. [2024-11-25 05:22:28,588 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-25 05:22:28,588 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:22:28,589 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 05:22:28,589 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 05:22:28,593 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 05:22:28,594 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-11-25 05:22:29,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:22:29,248 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 05:22:29,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:22:29,334 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 05:22:29,340 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 05:22:32,187 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-25 05:22:32,194 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (2)] Forceful destruction successful, exit code 0 [2024-11-25 05:22:32,900 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:22:32,901 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 23 states and 32 transitions. [2024-11-25 05:22:32,901 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 32 transitions. [2024-11-25 05:22:32,902 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-25 05:22:32,902 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:22:32,902 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 05:22:32,902 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 05:22:32,904 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 05:22:32,906 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2024-11-25 05:22:33,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:22:33,584 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 05:22:33,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:22:33,644 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 05:22:33,646 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 05:22:35,523 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-25 05:22:35,530 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (3)] Ended with exit code 0 [2024-11-25 05:22:35,542 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:22:35,543 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 23 states and 32 transitions. [2024-11-25 05:22:35,543 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 32 transitions. [2024-11-25 05:22:35,544 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-25 05:22:35,544 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:22:35,544 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 05:22:35,544 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 05:22:35,546 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 05:22:35,549 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2024-11-25 05:22:36,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:22:36,534 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 05:22:36,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:22:36,595 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 05:22:36,597 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 05:22:38,253 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-25 05:22:38,259 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (4)] Ended with exit code 0 [2024-11-25 05:22:38,269 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:22:38,269 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 23 states and 32 transitions. [2024-11-25 05:22:38,271 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 32 transitions. [2024-11-25 05:22:38,271 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-25 05:22:38,271 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:22:38,271 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 05:22:38,272 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 05:22:38,274 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 05:22:38,277 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (5)] Waiting until timeout for monitored process [2024-11-25 05:22:38,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:22:38,889 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 05:22:38,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:22:38,925 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 05:22:38,927 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 05:22:40,393 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-25 05:22:40,404 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (5)] Forceful destruction successful, exit code 0 [2024-11-25 05:22:40,420 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:22:40,421 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 23 states and 32 transitions. [2024-11-25 05:22:40,421 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 32 transitions. [2024-11-25 05:22:40,423 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-25 05:22:40,423 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:22:40,424 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 05:22:40,424 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 05:22:40,432 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 05:22:40,433 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (6)] Waiting until timeout for monitored process [2024-11-25 05:22:41,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:22:41,238 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 05:22:41,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:22:41,324 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 05:22:41,327 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 05:22:42,602 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-25 05:22:42,606 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (6)] Forceful destruction successful, exit code 0 [2024-11-25 05:22:42,613 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:22:42,613 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 23 states and 32 transitions. [2024-11-25 05:22:42,613 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 32 transitions. [2024-11-25 05:22:42,614 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-25 05:22:42,614 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:22:42,614 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 05:22:42,614 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 05:22:42,617 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 05:22:42,620 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (7)] Waiting until timeout for monitored process [2024-11-25 05:22:43,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:22:43,212 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 05:22:43,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:22:43,247 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 05:22:43,249 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 05:22:44,339 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-25 05:22:44,344 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (7)] Forceful destruction successful, exit code 0 [2024-11-25 05:22:44,351 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:22:44,351 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 23 states and 32 transitions. [2024-11-25 05:22:44,351 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 32 transitions. [2024-11-25 05:22:44,353 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-25 05:22:44,354 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:22:44,354 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 05:22:44,354 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 05:22:44,356 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 05:22:44,358 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (8)] Waiting until timeout for monitored process [2024-11-25 05:22:45,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:22:45,049 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 05:22:45,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:22:45,084 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 05:22:45,086 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 05:22:46,227 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-25 05:22:46,231 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (8)] Forceful destruction successful, exit code 0 [2024-11-25 05:22:46,237 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:22:46,237 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 23 states and 32 transitions. [2024-11-25 05:22:46,237 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 32 transitions. [2024-11-25 05:22:46,238 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-25 05:22:46,238 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:22:46,238 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 05:22:46,238 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 05:22:46,241 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 05:22:46,243 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (9)] Waiting until timeout for monitored process [2024-11-25 05:22:46,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:22:46,773 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 05:22:46,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:22:46,823 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 05:22:46,825 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 05:22:47,747 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-25 05:22:47,750 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (9)] Ended with exit code 0 [2024-11-25 05:22:47,756 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:22:47,757 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 23 states and 32 transitions. [2024-11-25 05:22:47,757 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 32 transitions. [2024-11-25 05:22:47,757 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-25 05:22:47,757 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:22:47,758 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 05:22:47,758 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 05:22:47,764 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 05:22:47,766 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (10)] Waiting until timeout for monitored process [2024-11-25 05:22:48,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:22:48,372 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 05:22:48,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:22:48,410 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-25 05:22:48,412 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 05:22:49,721 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-25 05:22:49,726 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (10)] Forceful destruction successful, exit code 0 [2024-11-25 05:22:50,330 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:22:50,331 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 34 states and 54 transitions. [2024-11-25 05:22:50,331 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 54 transitions. [2024-11-25 05:22:50,332 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-25 05:22:50,332 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:22:50,333 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 05:22:50,333 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 05:22:50,335 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 05:22:50,336 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (11)] Waiting until timeout for monitored process [2024-11-25 05:22:50,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:22:50,962 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 05:22:51,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:22:51,017 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 05:22:51,018 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 05:22:52,011 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-25 05:22:52,015 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (11)] Ended with exit code 0 [2024-11-25 05:22:52,092 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:22:52,093 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 34 states and 54 transitions. [2024-11-25 05:22:52,093 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 54 transitions. [2024-11-25 05:22:52,093 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-25 05:22:52,093 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:22:52,093 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 05:22:52,094 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 05:22:52,096 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 05:22:52,098 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (12)] Waiting until timeout for monitored process [2024-11-25 05:22:52,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:22:52,684 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 05:22:52,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:22:52,717 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 05:22:52,718 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 05:22:53,785 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-25 05:22:53,790 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (12)] Ended with exit code 0 [2024-11-25 05:22:53,796 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:22:53,797 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 34 states and 54 transitions. [2024-11-25 05:22:53,797 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 54 transitions. [2024-11-25 05:22:53,798 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-25 05:22:53,798 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:22:53,798 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 05:22:53,798 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 05:22:53,803 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 05:22:53,805 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (13)] Waiting until timeout for monitored process [2024-11-25 05:22:54,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:22:54,403 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 05:22:54,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:22:54,436 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-25 05:22:54,437 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 05:22:55,928 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-25 05:22:55,935 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (13)] Forceful destruction successful, exit code 0 [2024-11-25 05:22:56,037 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:22:56,037 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 34 states and 54 transitions. [2024-11-25 05:22:56,038 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 54 transitions. [2024-11-25 05:22:56,038 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-25 05:22:56,039 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:22:56,039 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 05:22:56,039 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 05:22:56,041 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 05:22:56,042 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (14)] Waiting until timeout for monitored process [2024-11-25 05:22:56,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:22:56,654 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 05:22:56,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:22:56,690 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-25 05:22:56,691 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 05:22:57,843 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-25 05:22:57,847 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (14)] Ended with exit code 0 [2024-11-25 05:22:57,952 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:22:57,953 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 34 states and 54 transitions. [2024-11-25 05:22:57,953 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 54 transitions. [2024-11-25 05:22:57,954 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-25 05:22:57,954 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:22:57,954 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 05:22:57,954 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 05:22:57,956 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 05:22:57,958 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (15)] Waiting until timeout for monitored process [2024-11-25 05:22:58,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:22:58,538 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 05:22:58,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:22:58,572 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 05:22:58,574 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 05:22:59,568 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-25 05:22:59,572 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (15)] Ended with exit code 0 [2024-11-25 05:22:59,578 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:22:59,579 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 34 states and 54 transitions. [2024-11-25 05:22:59,579 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 54 transitions. [2024-11-25 05:22:59,580 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-25 05:22:59,580 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:22:59,580 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 05:22:59,580 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 05:22:59,583 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 05:22:59,584 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (16)] Waiting until timeout for monitored process [2024-11-25 05:23:00,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:23:00,203 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 05:23:00,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:23:00,240 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 05:23:00,241 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 05:23:01,166 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-25 05:23:01,171 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (16)] Ended with exit code 0 [2024-11-25 05:23:01,178 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:23:01,179 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 34 states and 54 transitions. [2024-11-25 05:23:01,179 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 54 transitions. [2024-11-25 05:23:01,179 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-25 05:23:01,179 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:23:01,179 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 05:23:01,180 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 05:23:01,183 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 05:23:01,185 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (17)] Waiting until timeout for monitored process [2024-11-25 05:23:01,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:23:01,849 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 05:23:01,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:23:01,889 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 05:23:01,890 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 05:23:02,965 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-25 05:23:02,970 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (17)] Forceful destruction successful, exit code 0 [2024-11-25 05:23:02,977 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:23:02,978 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 34 states and 54 transitions. [2024-11-25 05:23:02,978 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 54 transitions. [2024-11-25 05:23:02,979 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-25 05:23:02,979 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:23:02,979 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 05:23:02,979 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 05:23:02,985 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 05:23:02,987 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (18)] Waiting until timeout for monitored process [2024-11-25 05:23:03,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:23:03,608 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 05:23:03,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:23:03,643 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 05:23:03,645 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 05:23:04,892 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-25 05:23:04,898 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (18)] Forceful destruction successful, exit code 0 [2024-11-25 05:23:04,906 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:23:04,907 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 34 states and 54 transitions. [2024-11-25 05:23:04,908 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 54 transitions. [2024-11-25 05:23:04,908 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-25 05:23:04,908 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:23:04,909 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 05:23:04,909 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 05:23:04,913 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 05:23:04,915 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (19)] Waiting until timeout for monitored process [2024-11-25 05:23:05,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:23:05,612 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 05:23:05,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:23:05,667 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 05:23:05,669 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 05:23:06,839 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-25 05:23:06,843 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (19)] Ended with exit code 0 [2024-11-25 05:23:06,849 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:23:06,850 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 34 states and 54 transitions. [2024-11-25 05:23:06,850 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 54 transitions. [2024-11-25 05:23:06,851 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-25 05:23:06,851 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:23:06,851 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 05:23:06,851 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 05:23:06,854 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 05:23:06,855 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (20)] Waiting until timeout for monitored process [2024-11-25 05:23:07,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:23:07,456 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 05:23:07,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:23:07,505 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-25 05:23:07,506 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 05:23:08,533 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-25 05:23:08,537 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (20)] Ended with exit code 0 [2024-11-25 05:23:08,629 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:23:08,630 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 34 states and 54 transitions. [2024-11-25 05:23:08,630 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 54 transitions. [2024-11-25 05:23:08,631 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-25 05:23:08,631 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:23:08,631 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 05:23:08,631 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 05:23:08,633 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 05:23:08,634 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (21)] Waiting until timeout for monitored process [2024-11-25 05:23:09,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:23:09,279 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 05:23:09,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:23:09,320 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-25 05:23:09,321 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 05:23:10,502 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-25 05:23:10,506 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (21)] Ended with exit code 0 [2024-11-25 05:23:10,614 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:23:10,615 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 34 states and 54 transitions. [2024-11-25 05:23:10,615 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 54 transitions. [2024-11-25 05:23:10,615 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-25 05:23:10,615 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:23:10,616 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 05:23:10,616 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 05:23:10,619 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 05:23:10,621 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (22)] Waiting until timeout for monitored process [2024-11-25 05:23:11,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:23:11,227 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 05:23:11,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:23:11,263 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 05:23:11,264 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 05:23:12,267 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-25 05:23:12,271 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (22)] Ended with exit code 0 [2024-11-25 05:23:12,277 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:23:12,278 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 34 states and 54 transitions. [2024-11-25 05:23:12,278 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 54 transitions. [2024-11-25 05:23:12,278 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-25 05:23:12,278 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:23:12,278 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 05:23:12,278 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 05:23:12,280 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 05:23:12,282 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (23)] Waiting until timeout for monitored process [2024-11-25 05:23:12,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:23:12,873 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 05:23:12,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:23:12,908 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-25 05:23:12,909 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 05:23:14,022 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-25 05:23:14,026 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (23)] Ended with exit code 0 [2024-11-25 05:23:14,129 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:23:14,129 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 34 states and 54 transitions. [2024-11-25 05:23:14,129 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 54 transitions. [2024-11-25 05:23:14,132 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-25 05:23:14,132 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:23:14,132 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 05:23:14,132 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 05:23:14,134 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 05:23:14,137 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (24)] Waiting until timeout for monitored process [2024-11-25 05:23:14,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:23:14,754 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 05:23:14,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:23:14,785 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 05:23:14,787 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 05:23:15,961 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-25 05:23:15,966 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (24)] Ended with exit code 0 [2024-11-25 05:23:15,971 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:23:15,972 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 34 states and 54 transitions. [2024-11-25 05:23:15,972 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 54 transitions. [2024-11-25 05:23:15,972 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-25 05:23:15,972 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:23:15,972 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 05:23:15,972 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 05:23:15,974 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 05:23:15,976 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (25)] Waiting until timeout for monitored process [2024-11-25 05:23:16,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:23:16,597 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 05:23:16,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:23:16,634 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 05:23:16,635 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 05:23:17,694 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-25 05:23:17,702 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (25)] Ended with exit code 0 [2024-11-25 05:23:17,708 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:23:17,709 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 34 states and 54 transitions. [2024-11-25 05:23:17,710 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 54 transitions. [2024-11-25 05:23:17,711 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-25 05:23:17,711 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:23:17,711 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 05:23:17,711 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 05:23:17,715 INFO L229 MonitoredProcess]: Starting monitored process 26 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 05:23:17,727 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (26)] Waiting until timeout for monitored process [2024-11-25 05:23:18,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:23:18,304 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 05:23:18,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:23:18,335 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-25 05:23:18,336 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 05:23:19,571 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-25 05:23:19,576 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (26)] Forceful destruction successful, exit code 0 [2024-11-25 05:23:19,691 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:23:19,692 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 34 states and 54 transitions. [2024-11-25 05:23:19,692 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 54 transitions. [2024-11-25 05:23:19,692 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-25 05:23:19,692 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:23:19,692 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 05:23:19,693 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 05:23:19,695 INFO L229 MonitoredProcess]: Starting monitored process 27 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 05:23:19,696 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (27)] Waiting until timeout for monitored process [2024-11-25 05:23:20,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:23:20,335 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 05:23:20,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:23:20,369 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 05:23:20,370 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 05:23:21,444 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-25 05:23:21,448 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (27)] Ended with exit code 0 [2024-11-25 05:23:21,453 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:23:21,453 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 34 states and 54 transitions. [2024-11-25 05:23:21,453 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 54 transitions. [2024-11-25 05:23:21,453 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-25 05:23:21,454 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:23:21,454 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 05:23:21,454 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 05:23:21,459 INFO L229 MonitoredProcess]: Starting monitored process 28 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 05:23:21,460 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (28)] Waiting until timeout for monitored process [2024-11-25 05:23:22,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:23:22,037 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 05:23:22,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:23:22,071 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 05:23:22,074 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 05:23:23,096 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-25 05:23:23,100 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (28)] Ended with exit code 0 [2024-11-25 05:23:23,107 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:23:23,107 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 34 states and 54 transitions. [2024-11-25 05:23:23,107 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 54 transitions. [2024-11-25 05:23:23,108 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-25 05:23:23,108 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:23:23,108 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 05:23:23,108 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 05:23:23,112 INFO L229 MonitoredProcess]: Starting monitored process 29 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 05:23:23,113 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (29)] Waiting until timeout for monitored process [2024-11-25 05:23:23,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:23:23,748 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 05:23:23,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:23:23,781 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 05:23:23,782 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 05:23:24,979 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-25 05:23:24,984 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (29)] Ended with exit code 0 [2024-11-25 05:23:24,989 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:23:24,989 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 34 states and 54 transitions. [2024-11-25 05:23:24,990 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 54 transitions. [2024-11-25 05:23:24,990 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-25 05:23:24,990 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:23:24,990 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 05:23:24,990 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 05:23:24,993 INFO L229 MonitoredProcess]: Starting monitored process 30 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 05:23:24,996 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (30)] Waiting until timeout for monitored process [2024-11-25 05:23:25,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:23:25,737 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 05:23:25,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:23:25,773 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 05:23:25,774 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 05:23:26,666 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-25 05:23:26,670 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (30)] Ended with exit code 0 [2024-11-25 05:23:26,675 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:23:26,675 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 34 states and 54 transitions. [2024-11-25 05:23:26,676 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 54 transitions. [2024-11-25 05:23:26,676 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-25 05:23:26,676 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:23:26,676 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 05:23:26,676 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 05:23:26,679 INFO L229 MonitoredProcess]: Starting monitored process 31 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 05:23:26,680 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (31)] Waiting until timeout for monitored process [2024-11-25 05:23:27,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:23:27,361 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 05:23:27,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:23:27,417 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 05:23:27,418 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 05:23:28,380 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-25 05:23:28,385 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (31)] Ended with exit code 0 [2024-11-25 05:23:28,391 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:23:28,392 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 34 states and 54 transitions. [2024-11-25 05:23:28,392 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 54 transitions. [2024-11-25 05:23:28,392 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-25 05:23:28,392 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:23:28,393 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 05:23:28,393 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 05:23:28,397 INFO L229 MonitoredProcess]: Starting monitored process 32 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 05:23:28,398 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (32)] Waiting until timeout for monitored process [2024-11-25 05:23:29,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:23:29,077 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 05:23:29,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:23:29,113 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-25 05:23:29,114 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 05:23:30,172 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-25 05:23:30,177 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (32)] Ended with exit code 0 [2024-11-25 05:23:30,280 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:23:30,280 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 34 states and 54 transitions. [2024-11-25 05:23:30,280 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 54 transitions. [2024-11-25 05:23:30,280 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-25 05:23:30,281 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:23:30,281 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 05:23:30,281 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 05:23:30,283 INFO L229 MonitoredProcess]: Starting monitored process 33 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 05:23:30,284 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (33)] Waiting until timeout for monitored process [2024-11-25 05:23:30,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:23:30,944 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 05:23:30,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:23:30,981 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 05:23:30,982 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 05:23:32,218 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-25 05:23:32,223 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (33)] Ended with exit code 0 [2024-11-25 05:23:32,228 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:23:32,228 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 34 states and 54 transitions. [2024-11-25 05:23:32,228 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 54 transitions. [2024-11-25 05:23:32,229 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-25 05:23:32,229 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:23:32,229 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 05:23:32,229 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 05:23:32,231 INFO L229 MonitoredProcess]: Starting monitored process 34 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 05:23:32,234 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (34)] Waiting until timeout for monitored process [2024-11-25 05:23:32,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:23:32,904 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 05:23:32,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:23:32,957 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 05:23:32,958 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 05:23:34,060 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-25 05:23:34,064 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (34)] Ended with exit code 0 [2024-11-25 05:23:34,072 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:23:34,073 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 34 states and 54 transitions. [2024-11-25 05:23:34,073 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 54 transitions. [2024-11-25 05:23:34,073 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-25 05:23:34,073 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:23:34,073 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 05:23:34,073 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 05:23:34,075 INFO L229 MonitoredProcess]: Starting monitored process 35 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 05:23:34,076 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (35)] Waiting until timeout for monitored process [2024-11-25 05:23:34,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:23:34,659 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 05:23:34,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:23:34,692 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 05:23:34,695 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 05:23:35,831 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-25 05:23:35,836 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (35)] Ended with exit code 0 [2024-11-25 05:23:35,841 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:23:35,841 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 34 states and 54 transitions. [2024-11-25 05:23:35,841 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 54 transitions. [2024-11-25 05:23:35,842 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-25 05:23:35,842 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:23:35,842 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 05:23:35,842 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 05:23:35,845 INFO L229 MonitoredProcess]: Starting monitored process 36 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 05:23:35,847 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (36)] Waiting until timeout for monitored process [2024-11-25 05:23:36,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:23:36,469 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 05:23:36,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:23:36,505 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 05:23:36,507 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 05:23:37,465 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-25 05:23:37,470 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (36)] Ended with exit code 0 [2024-11-25 05:23:37,474 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:23:37,474 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 34 states and 54 transitions. [2024-11-25 05:23:37,474 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 54 transitions. [2024-11-25 05:23:37,475 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-25 05:23:37,475 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:23:37,475 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 05:23:37,475 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 05:23:37,477 INFO L229 MonitoredProcess]: Starting monitored process 37 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 05:23:37,479 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (37)] Waiting until timeout for monitored process [2024-11-25 05:23:38,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:23:38,052 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 05:23:38,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:23:38,084 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 05:23:38,085 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 05:23:39,097 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-25 05:23:39,101 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (37)] Forceful destruction successful, exit code 0 [2024-11-25 05:23:39,331 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:23:39,332 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 36 states and 60 transitions. [2024-11-25 05:23:39,332 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 60 transitions. [2024-11-25 05:23:39,332 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-25 05:23:39,332 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:23:39,332 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 05:23:39,332 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 05:23:39,334 INFO L229 MonitoredProcess]: Starting monitored process 38 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 05:23:39,336 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (38)] Waiting until timeout for monitored process [2024-11-25 05:23:39,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:23:39,952 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 05:23:39,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:23:39,989 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 05:23:39,990 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 05:23:41,025 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-25 05:23:41,029 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (38)] Ended with exit code 0 [2024-11-25 05:23:41,033 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:23:41,033 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 36 states and 60 transitions. [2024-11-25 05:23:41,034 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 60 transitions. [2024-11-25 05:23:41,034 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-25 05:23:41,034 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:23:41,034 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 05:23:41,034 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 05:23:41,038 INFO L229 MonitoredProcess]: Starting monitored process 39 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 05:23:41,042 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (39)] Waiting until timeout for monitored process [2024-11-25 05:23:41,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:23:41,653 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 05:23:41,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:23:41,701 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-25 05:23:41,702 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 05:23:42,730 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-25 05:23:42,734 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (39)] Forceful destruction successful, exit code 0 [2024-11-25 05:23:42,826 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:23:42,826 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 36 states and 60 transitions. [2024-11-25 05:23:42,827 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 60 transitions. [2024-11-25 05:23:42,827 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-25 05:23:42,827 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:23:42,827 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 05:23:42,827 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 05:23:42,831 INFO L229 MonitoredProcess]: Starting monitored process 40 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 05:23:42,832 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (40)] Waiting until timeout for monitored process [2024-11-25 05:23:43,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:23:43,426 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 05:23:43,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:23:43,462 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 05:23:43,463 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 05:23:44,470 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-25 05:23:44,474 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (40)] Forceful destruction successful, exit code 0 [2024-11-25 05:23:44,478 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:23:44,479 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 36 states and 60 transitions. [2024-11-25 05:23:44,479 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 60 transitions. [2024-11-25 05:23:44,479 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-25 05:23:44,479 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:23:44,479 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 05:23:44,479 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 05:23:44,483 INFO L229 MonitoredProcess]: Starting monitored process 41 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 05:23:44,485 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (41)] Waiting until timeout for monitored process [2024-11-25 05:23:45,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:23:45,082 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 05:23:45,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:23:45,115 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-25 05:23:45,116 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 05:23:46,427 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-25 05:23:46,431 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (41)] Ended with exit code 0 [2024-11-25 05:23:46,549 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:23:46,549 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 36 states and 60 transitions. [2024-11-25 05:23:46,549 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 60 transitions. [2024-11-25 05:23:46,550 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-25 05:23:46,550 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:23:46,550 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 05:23:46,550 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 05:23:46,557 INFO L229 MonitoredProcess]: Starting monitored process 42 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 05:23:46,558 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (42)] Waiting until timeout for monitored process [2024-11-25 05:23:47,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:23:47,159 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 05:23:47,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:23:47,195 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 05:23:47,196 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 05:23:48,287 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-25 05:23:48,292 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (42)] Ended with exit code 0 [2024-11-25 05:23:48,300 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:23:48,300 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 36 states and 60 transitions. [2024-11-25 05:23:48,300 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 60 transitions. [2024-11-25 05:23:48,301 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-25 05:23:48,301 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:23:48,301 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 05:23:48,301 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 05:23:48,306 INFO L229 MonitoredProcess]: Starting monitored process 43 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 05:23:48,308 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (43)] Waiting until timeout for monitored process [2024-11-25 05:23:48,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:23:48,932 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 05:23:48,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:23:48,965 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 05:23:48,966 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 05:23:49,952 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-25 05:23:49,957 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (43)] Ended with exit code 0 [2024-11-25 05:23:49,962 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:23:49,963 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 36 states and 60 transitions. [2024-11-25 05:23:49,963 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 60 transitions. [2024-11-25 05:23:49,964 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-25 05:23:49,964 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:23:49,964 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 05:23:49,965 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 05:23:49,967 INFO L229 MonitoredProcess]: Starting monitored process 44 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 05:23:49,969 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (44)] Waiting until timeout for monitored process [2024-11-25 05:23:50,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:23:50,601 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 05:23:50,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:23:50,635 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 05:23:50,636 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 05:23:51,601 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-25 05:23:51,605 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (44)] Forceful destruction successful, exit code 0 [2024-11-25 05:23:51,610 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:23:51,610 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 36 states and 60 transitions. [2024-11-25 05:23:51,610 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 60 transitions. [2024-11-25 05:23:51,611 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-25 05:23:51,611 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:23:51,611 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 05:23:51,611 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 05:23:51,612 INFO L229 MonitoredProcess]: Starting monitored process 45 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 05:23:51,614 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (45)] Waiting until timeout for monitored process [2024-11-25 05:23:52,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:23:52,192 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 05:23:52,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:23:52,227 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 05:23:52,228 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 05:23:53,153 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-25 05:23:53,157 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (45)] Ended with exit code 0 [2024-11-25 05:23:53,161 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:23:53,162 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 36 states and 60 transitions. [2024-11-25 05:23:53,162 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 60 transitions. [2024-11-25 05:23:53,162 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-25 05:23:53,162 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:23:53,162 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 05:23:53,162 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 05:23:53,165 INFO L229 MonitoredProcess]: Starting monitored process 46 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 05:23:53,166 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (46)] Waiting until timeout for monitored process [2024-11-25 05:23:53,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:23:53,739 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 05:23:53,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:23:53,788 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 05:23:53,789 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 05:23:54,911 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-25 05:23:54,918 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (46)] Ended with exit code 0 [2024-11-25 05:23:54,923 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:23:54,924 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 36 states and 60 transitions. [2024-11-25 05:23:54,924 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 60 transitions. [2024-11-25 05:23:54,924 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-25 05:23:54,925 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:23:54,925 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 05:23:54,925 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 05:23:54,927 INFO L229 MonitoredProcess]: Starting monitored process 47 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 05:23:54,931 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (47)] Waiting until timeout for monitored process [2024-11-25 05:23:55,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:23:55,523 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 05:23:55,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:23:55,556 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 05:23:55,557 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 05:23:56,458 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-25 05:23:56,462 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (47)] Ended with exit code 0 [2024-11-25 05:23:56,466 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:23:56,467 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 36 states and 60 transitions. [2024-11-25 05:23:56,467 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 60 transitions. [2024-11-25 05:23:56,467 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-25 05:23:56,467 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:23:56,467 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 05:23:56,467 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 05:23:56,469 INFO L229 MonitoredProcess]: Starting monitored process 48 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 05:23:56,471 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (48)] Waiting until timeout for monitored process [2024-11-25 05:23:57,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:23:57,049 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 05:23:57,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:23:57,117 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-25 05:23:57,118 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 05:23:58,083 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-25 05:23:58,088 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (48)] Forceful destruction successful, exit code 0 [2024-11-25 05:23:58,176 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:23:58,177 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 36 states and 60 transitions. [2024-11-25 05:23:58,177 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 60 transitions. [2024-11-25 05:23:58,177 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-25 05:23:58,177 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:23:58,177 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 05:23:58,177 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 05:23:58,182 INFO L229 MonitoredProcess]: Starting monitored process 49 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 05:23:58,183 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (49)] Waiting until timeout for monitored process [2024-11-25 05:23:58,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:23:58,765 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 05:23:58,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:23:58,795 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 05:23:58,796 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 05:23:59,872 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-25 05:23:59,877 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (49)] Ended with exit code 0 [2024-11-25 05:23:59,880 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:23:59,881 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 36 states and 60 transitions. [2024-11-25 05:23:59,881 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 60 transitions. [2024-11-25 05:23:59,881 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-25 05:23:59,881 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:23:59,881 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 05:23:59,881 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 05:23:59,883 INFO L229 MonitoredProcess]: Starting monitored process 50 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 05:23:59,884 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (50)] Waiting until timeout for monitored process [2024-11-25 05:24:00,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:24:00,458 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 05:24:00,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:24:00,488 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 05:24:00,489 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 05:24:01,309 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-25 05:24:01,313 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (50)] Forceful destruction successful, exit code 0 [2024-11-25 05:24:01,317 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:24:01,317 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 36 states and 60 transitions. [2024-11-25 05:24:01,317 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 60 transitions. [2024-11-25 05:24:01,317 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-25 05:24:01,317 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:24:01,317 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 05:24:01,318 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 05:24:01,319 INFO L229 MonitoredProcess]: Starting monitored process 51 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 05:24:01,321 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (51)] Waiting until timeout for monitored process [2024-11-25 05:24:01,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:24:01,874 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 05:24:01,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:24:01,904 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 05:24:01,905 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 05:24:02,758 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-25 05:24:02,763 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (51)] Forceful destruction successful, exit code 0 [2024-11-25 05:24:02,766 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:24:02,767 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 36 states and 60 transitions. [2024-11-25 05:24:02,767 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 60 transitions. [2024-11-25 05:24:02,767 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-25 05:24:02,767 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:24:02,767 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 05:24:02,767 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 05:24:02,769 INFO L229 MonitoredProcess]: Starting monitored process 52 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 05:24:02,771 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (52)] Waiting until timeout for monitored process [2024-11-25 05:24:03,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:24:03,321 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 05:24:03,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:24:03,361 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 05:24:03,361 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 05:24:04,322 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-25 05:24:04,326 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (52)] Forceful destruction successful, exit code 0 [2024-11-25 05:24:04,330 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:24:04,331 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 36 states and 60 transitions. [2024-11-25 05:24:04,331 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 60 transitions. [2024-11-25 05:24:04,331 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-25 05:24:04,331 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:24:04,331 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 05:24:04,331 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 05:24:04,333 INFO L229 MonitoredProcess]: Starting monitored process 53 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 05:24:04,334 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (53)] Waiting until timeout for monitored process [2024-11-25 05:24:04,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:24:04,898 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 05:24:04,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:24:04,941 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-25 05:24:04,942 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 05:24:05,975 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-25 05:24:05,979 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (53)] Ended with exit code 0 [2024-11-25 05:24:06,065 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:24:06,066 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 36 states and 60 transitions. [2024-11-25 05:24:06,066 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 60 transitions. [2024-11-25 05:24:06,066 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-25 05:24:06,066 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:24:06,066 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 05:24:06,066 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 05:24:06,068 INFO L229 MonitoredProcess]: Starting monitored process 54 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 05:24:06,069 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (54)] Waiting until timeout for monitored process [2024-11-25 05:24:06,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:24:06,625 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 05:24:06,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:24:06,655 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 05:24:06,656 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 05:24:07,602 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-25 05:24:07,606 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (54)] Ended with exit code 0 [2024-11-25 05:24:07,610 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:24:07,610 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 36 states and 60 transitions. [2024-11-25 05:24:07,611 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 60 transitions. [2024-11-25 05:24:07,611 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-25 05:24:07,611 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:24:07,611 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 05:24:07,611 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 05:24:07,612 INFO L229 MonitoredProcess]: Starting monitored process 55 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 05:24:07,613 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (55)] Waiting until timeout for monitored process [2024-11-25 05:24:08,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:24:08,183 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 05:24:08,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:24:08,214 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 05:24:08,215 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 05:24:09,107 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-25 05:24:09,113 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (55)] Ended with exit code 0 [2024-11-25 05:24:09,117 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:24:09,118 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 36 states and 60 transitions. [2024-11-25 05:24:09,118 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 60 transitions. [2024-11-25 05:24:09,118 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-25 05:24:09,118 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:24:09,118 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 05:24:09,118 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 05:24:09,120 INFO L229 MonitoredProcess]: Starting monitored process 56 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 05:24:09,121 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (56)] Waiting until timeout for monitored process [2024-11-25 05:24:09,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:24:09,673 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 05:24:09,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:24:09,705 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 05:24:09,706 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 05:24:10,705 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-25 05:24:10,709 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (56)] Ended with exit code 0 [2024-11-25 05:24:10,713 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:24:10,713 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 36 states and 60 transitions. [2024-11-25 05:24:10,713 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 60 transitions. [2024-11-25 05:24:10,714 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-25 05:24:10,714 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:24:10,714 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 05:24:10,714 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 05:24:10,715 INFO L229 MonitoredProcess]: Starting monitored process 57 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 05:24:10,716 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (57)] Waiting until timeout for monitored process [2024-11-25 05:24:11,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:24:11,296 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 05:24:11,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:24:11,328 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-25 05:24:11,329 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 05:24:12,578 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-25 05:24:12,582 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (57)] Ended with exit code 0 [2024-11-25 05:24:12,695 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:24:12,696 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 36 states and 60 transitions. [2024-11-25 05:24:12,696 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 60 transitions. [2024-11-25 05:24:12,696 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-25 05:24:12,696 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:24:12,696 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 05:24:12,696 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 05:24:12,702 INFO L229 MonitoredProcess]: Starting monitored process 58 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 05:24:12,703 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (58)] Waiting until timeout for monitored process [2024-11-25 05:24:13,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:24:13,331 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 05:24:13,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:24:13,363 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 05:24:13,364 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 05:24:14,403 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-25 05:24:14,407 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (58)] Forceful destruction successful, exit code 0 [2024-11-25 05:24:14,411 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:24:14,411 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 36 states and 60 transitions. [2024-11-25 05:24:14,411 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 60 transitions. [2024-11-25 05:24:14,411 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-25 05:24:14,411 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:24:14,412 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 05:24:14,412 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 05:24:14,414 INFO L229 MonitoredProcess]: Starting monitored process 59 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 05:24:14,415 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (59)] Waiting until timeout for monitored process [2024-11-25 05:24:15,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:24:15,014 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 05:24:15,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:24:15,056 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 05:24:15,057 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 05:24:16,216 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-25 05:24:16,220 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (59)] Forceful destruction successful, exit code 0 [2024-11-25 05:24:16,224 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:24:16,225 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 36 states and 60 transitions. [2024-11-25 05:24:16,225 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 60 transitions. [2024-11-25 05:24:16,225 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-25 05:24:16,225 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:24:16,225 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 05:24:16,225 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 05:24:16,227 INFO L229 MonitoredProcess]: Starting monitored process 60 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 05:24:16,229 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (60)] Waiting until timeout for monitored process [2024-11-25 05:24:16,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:24:16,820 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 05:24:16,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:24:16,855 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 05:24:16,856 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 05:24:17,755 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-25 05:24:17,759 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (60)] Ended with exit code 0 [2024-11-25 05:24:17,763 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:24:17,763 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 36 states and 60 transitions. [2024-11-25 05:24:17,763 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 60 transitions. [2024-11-25 05:24:17,763 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-25 05:24:17,763 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:24:17,764 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 05:24:17,764 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 05:24:17,767 INFO L229 MonitoredProcess]: Starting monitored process 61 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 05:24:17,768 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (61)] Waiting until timeout for monitored process [2024-11-25 05:24:18,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:24:18,351 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 05:24:18,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:24:18,397 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 05:24:18,399 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 05:24:19,445 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-25 05:24:19,450 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (61)] Forceful destruction successful, exit code 0 [2024-11-25 05:24:19,454 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:24:19,454 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 36 states and 60 transitions. [2024-11-25 05:24:19,454 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 60 transitions. [2024-11-25 05:24:19,454 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-25 05:24:19,455 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:24:19,455 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 05:24:19,455 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 05:24:19,458 INFO L229 MonitoredProcess]: Starting monitored process 62 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 05:24:19,460 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (62)] Waiting until timeout for monitored process [2024-11-25 05:24:20,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:24:20,029 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 05:24:20,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:24:20,059 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 05:24:20,060 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 05:24:20,995 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-25 05:24:20,999 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (62)] Ended with exit code 0 [2024-11-25 05:24:21,003 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:24:21,003 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 36 states and 60 transitions. [2024-11-25 05:24:21,003 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 60 transitions. [2024-11-25 05:24:21,004 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-25 05:24:21,004 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:24:21,004 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 05:24:21,004 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 05:24:21,009 INFO L229 MonitoredProcess]: Starting monitored process 63 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 05:24:21,010 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (63)] Waiting until timeout for monitored process [2024-11-25 05:24:21,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:24:21,554 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 05:24:21,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:24:21,588 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 05:24:21,589 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 05:24:22,448 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-25 05:24:22,453 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (63)] Ended with exit code 0 [2024-11-25 05:24:22,457 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:24:22,457 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 36 states and 60 transitions. [2024-11-25 05:24:22,457 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 60 transitions. [2024-11-25 05:24:22,458 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-25 05:24:22,458 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:24:22,458 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 05:24:22,458 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 05:24:22,461 INFO L229 MonitoredProcess]: Starting monitored process 64 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 05:24:22,462 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (64)] Waiting until timeout for monitored process [2024-11-25 05:24:23,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:24:23,013 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 05:24:23,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:24:23,044 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 05:24:23,045 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 05:24:23,939 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-25 05:24:23,943 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (64)] Forceful destruction successful, exit code 0 [2024-11-25 05:24:23,947 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:24:23,947 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 36 states and 60 transitions. [2024-11-25 05:24:23,947 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 60 transitions. [2024-11-25 05:24:23,948 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-25 05:24:23,948 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:24:23,948 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 05:24:23,948 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 05:24:23,953 INFO L229 MonitoredProcess]: Starting monitored process 65 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 05:24:23,955 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (65)] Waiting until timeout for monitored process [2024-11-25 05:24:24,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:24:24,534 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 05:24:24,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:24:24,572 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 05:24:24,573 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 05:24:25,592 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-25 05:24:25,597 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (65)] Ended with exit code 0 [2024-11-25 05:24:25,610 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:24:25,615 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 36 states and 60 transitions. [2024-11-25 05:24:25,615 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 60 transitions. [2024-11-25 05:24:25,615 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-25 05:24:25,615 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:24:25,615 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 05:24:25,616 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 05:24:25,618 INFO L229 MonitoredProcess]: Starting monitored process 66 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 05:24:25,621 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (66)] Waiting until timeout for monitored process [2024-11-25 05:24:26,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:24:26,272 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 05:24:26,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:24:26,303 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 05:24:26,303 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 05:24:27,298 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-25 05:24:27,303 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (66)] Forceful destruction successful, exit code 0 [2024-11-25 05:24:27,308 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:24:27,308 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 36 states and 60 transitions. [2024-11-25 05:24:27,308 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 60 transitions. [2024-11-25 05:24:27,308 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-25 05:24:27,309 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:24:27,309 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 05:24:27,309 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 05:24:27,310 INFO L229 MonitoredProcess]: Starting monitored process 67 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 05:24:27,312 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (67)] Waiting until timeout for monitored process [2024-11-25 05:24:27,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:24:27,866 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 05:24:27,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:24:27,896 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 05:24:27,897 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 05:24:28,932 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-25 05:24:28,937 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (67)] Ended with exit code 0 [2024-11-25 05:24:28,944 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:24:28,944 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 36 states and 60 transitions. [2024-11-25 05:24:28,944 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 60 transitions. [2024-11-25 05:24:28,945 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-25 05:24:28,945 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:24:28,945 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 05:24:28,945 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 05:24:28,949 INFO L229 MonitoredProcess]: Starting monitored process 68 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 05:24:28,950 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (68)] Waiting until timeout for monitored process [2024-11-25 05:24:29,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:24:29,549 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 05:24:29,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:24:29,580 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 05:24:29,581 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 05:24:30,419 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-25 05:24:30,423 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (68)] Ended with exit code 0 [2024-11-25 05:24:30,427 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:24:30,427 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 36 states and 60 transitions. [2024-11-25 05:24:30,427 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 60 transitions. [2024-11-25 05:24:30,427 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-25 05:24:30,427 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:24:30,427 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 05:24:30,428 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 05:24:30,429 INFO L229 MonitoredProcess]: Starting monitored process 69 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 05:24:30,431 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (69)] Waiting until timeout for monitored process [2024-11-25 05:24:30,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:24:30,973 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 05:24:31,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:24:31,005 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 05:24:31,007 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 05:24:31,878 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-25 05:24:31,882 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (69)] Ended with exit code 0 [2024-11-25 05:24:31,886 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:24:31,886 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 36 states and 60 transitions. [2024-11-25 05:24:31,886 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 60 transitions. [2024-11-25 05:24:31,887 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-25 05:24:31,887 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:24:31,887 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 05:24:31,887 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 05:24:31,888 INFO L229 MonitoredProcess]: Starting monitored process 70 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 05:24:31,890 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (70)] Waiting until timeout for monitored process [2024-11-25 05:24:32,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:24:32,442 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 05:24:32,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:24:32,482 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 05:24:32,483 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 05:24:33,579 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-25 05:24:33,583 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (70)] Ended with exit code 0 [2024-11-25 05:24:33,588 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:24:33,588 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 36 states and 60 transitions. [2024-11-25 05:24:33,588 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 60 transitions. [2024-11-25 05:24:33,589 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-25 05:24:33,589 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:24:33,589 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 05:24:33,589 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 05:24:33,592 INFO L229 MonitoredProcess]: Starting monitored process 71 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 05:24:33,593 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (71)] Waiting until timeout for monitored process [2024-11-25 05:24:34,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:24:34,134 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 05:24:34,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:24:34,164 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 05:24:34,165 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 05:24:35,080 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-25 05:24:35,084 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (71)] Ended with exit code 0 [2024-11-25 05:24:35,088 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:24:35,088 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 36 states and 60 transitions. [2024-11-25 05:24:35,088 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 60 transitions. [2024-11-25 05:24:35,088 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-25 05:24:35,088 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:24:35,089 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 05:24:35,089 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 05:24:35,090 INFO L229 MonitoredProcess]: Starting monitored process 72 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 05:24:35,092 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (72)] Waiting until timeout for monitored process [2024-11-25 05:24:35,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:24:35,704 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 05:24:35,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:24:35,751 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 05:24:35,752 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 05:24:36,715 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-25 05:24:36,719 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (72)] Ended with exit code 0 [2024-11-25 05:24:36,723 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:24:36,723 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 36 states and 60 transitions. [2024-11-25 05:24:36,723 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 60 transitions. [2024-11-25 05:24:36,723 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-25 05:24:36,723 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:24:36,724 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 05:24:36,724 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 05:24:36,728 INFO L229 MonitoredProcess]: Starting monitored process 73 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 05:24:36,730 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (73)] Waiting until timeout for monitored process [2024-11-25 05:24:37,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:24:37,295 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 05:24:37,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:24:37,327 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-25 05:24:37,328 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 05:24:38,315 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-25 05:24:38,320 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (73)] Forceful destruction successful, exit code 0 [2024-11-25 05:24:38,408 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:24:38,408 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 36 states and 60 transitions. [2024-11-25 05:24:38,408 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 60 transitions. [2024-11-25 05:24:38,408 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-25 05:24:38,408 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:24:38,408 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 05:24:38,408 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 05:24:38,410 INFO L229 MonitoredProcess]: Starting monitored process 74 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 05:24:38,411 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (74)] Waiting until timeout for monitored process [2024-11-25 05:24:38,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:24:38,983 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 05:24:39,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:24:39,014 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 05:24:39,015 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 05:24:39,927 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-25 05:24:39,931 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (74)] Forceful destruction successful, exit code 0 [2024-11-25 05:24:39,935 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:24:39,936 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 36 states and 60 transitions. [2024-11-25 05:24:39,936 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 60 transitions. [2024-11-25 05:24:39,936 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-25 05:24:39,936 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:24:39,936 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 05:24:39,936 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 05:24:39,938 INFO L229 MonitoredProcess]: Starting monitored process 75 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 05:24:39,940 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (75)] Waiting until timeout for monitored process [2024-11-25 05:24:40,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:24:40,541 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 05:24:40,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:24:40,573 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 05:24:40,574 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 05:24:41,616 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-25 05:24:41,620 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (75)] Ended with exit code 0 [2024-11-25 05:24:41,624 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:24:41,624 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 36 states and 60 transitions. [2024-11-25 05:24:41,624 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 60 transitions. [2024-11-25 05:24:41,625 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-25 05:24:41,625 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:24:41,625 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 05:24:41,625 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 05:24:41,627 INFO L229 MonitoredProcess]: Starting monitored process 76 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 05:24:41,633 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (76)] Waiting until timeout for monitored process [2024-11-25 05:24:42,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:24:42,198 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 05:24:42,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:24:42,232 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 05:24:42,233 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 05:24:43,137 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-25 05:24:43,141 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (76)] Forceful destruction successful, exit code 0 [2024-11-25 05:24:43,145 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:24:43,146 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 36 states and 60 transitions. [2024-11-25 05:24:43,146 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 60 transitions. [2024-11-25 05:24:43,146 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-25 05:24:43,146 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:24:43,146 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 05:24:43,146 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 05:24:43,148 INFO L229 MonitoredProcess]: Starting monitored process 77 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 05:24:43,149 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (77)] Waiting until timeout for monitored process [2024-11-25 05:24:43,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:24:43,730 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 05:24:43,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:24:43,766 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 05:24:43,767 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 05:24:44,823 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-25 05:24:44,827 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (77)] Ended with exit code 0 [2024-11-25 05:24:44,831 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:24:44,831 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 36 states and 60 transitions. [2024-11-25 05:24:44,831 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 60 transitions. [2024-11-25 05:24:44,831 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-25 05:24:44,831 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:24:44,831 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 05:24:44,832 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 05:24:44,833 INFO L229 MonitoredProcess]: Starting monitored process 78 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 05:24:44,837 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (78)] Waiting until timeout for monitored process [2024-11-25 05:24:45,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:24:45,457 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 05:24:45,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:24:45,493 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 05:24:45,493 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 05:24:46,420 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-25 05:24:46,424 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (78)] Ended with exit code 0 [2024-11-25 05:24:46,428 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:24:46,428 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 36 states and 60 transitions. [2024-11-25 05:24:46,428 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 60 transitions. [2024-11-25 05:24:46,428 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-25 05:24:46,428 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:24:46,429 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 05:24:46,429 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 05:24:46,431 INFO L229 MonitoredProcess]: Starting monitored process 79 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 05:24:46,432 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (79)] Waiting until timeout for monitored process [2024-11-25 05:24:47,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:24:47,100 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 05:24:47,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:24:47,133 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-25 05:24:47,133 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 05:24:48,108 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-25 05:24:48,112 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (79)] Forceful destruction successful, exit code 0 [2024-11-25 05:24:48,207 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:24:48,207 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 36 states and 60 transitions. [2024-11-25 05:24:48,207 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 60 transitions. [2024-11-25 05:24:48,207 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-25 05:24:48,207 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:24:48,208 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 05:24:48,208 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 05:24:48,209 INFO L229 MonitoredProcess]: Starting monitored process 80 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 05:24:48,211 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (80)] Waiting until timeout for monitored process [2024-11-25 05:24:48,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:24:48,792 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 05:24:48,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:24:48,824 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 05:24:48,824 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 05:24:49,707 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-25 05:24:49,712 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (80)] Forceful destruction successful, exit code 0 [2024-11-25 05:24:49,715 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:24:49,716 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 36 states and 60 transitions. [2024-11-25 05:24:49,716 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 60 transitions. [2024-11-25 05:24:49,716 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-25 05:24:49,716 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:24:49,716 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 05:24:49,716 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 05:24:49,717 INFO L229 MonitoredProcess]: Starting monitored process 81 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 05:24:49,719 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (81)] Waiting until timeout for monitored process [2024-11-25 05:24:50,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:24:50,292 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 05:24:50,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:24:50,325 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 05:24:50,326 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 05:24:51,378 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-25 05:24:51,382 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (81)] Ended with exit code 0 [2024-11-25 05:24:51,387 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:24:51,387 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 36 states and 60 transitions. [2024-11-25 05:24:51,387 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 60 transitions. [2024-11-25 05:24:51,387 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-25 05:24:51,387 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:24:51,387 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 05:24:51,388 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 05:24:51,389 INFO L229 MonitoredProcess]: Starting monitored process 82 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 05:24:51,391 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (82)] Waiting until timeout for monitored process [2024-11-25 05:24:51,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:24:51,987 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 05:24:52,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:24:52,022 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 05:24:52,023 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 05:24:53,091 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-25 05:24:53,100 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (82)] Ended with exit code 0 [2024-11-25 05:24:53,104 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:24:53,105 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 36 states and 60 transitions. [2024-11-25 05:24:53,105 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 60 transitions. [2024-11-25 05:24:53,105 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-25 05:24:53,105 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:24:53,105 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 05:24:53,105 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 05:24:53,109 INFO L229 MonitoredProcess]: Starting monitored process 83 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 05:24:53,111 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (83)] Waiting until timeout for monitored process [2024-11-25 05:24:53,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:24:53,749 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 05:24:53,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:24:53,782 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 05:24:53,783 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 05:24:54,821 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-25 05:24:54,825 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (83)] Forceful destruction successful, exit code 0 [2024-11-25 05:24:54,830 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:24:54,831 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 36 states and 60 transitions. [2024-11-25 05:24:54,831 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 60 transitions. [2024-11-25 05:24:54,831 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-25 05:24:54,831 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:24:54,831 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 05:24:54,831 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 05:24:54,835 INFO L229 MonitoredProcess]: Starting monitored process 84 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 05:24:54,835 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (84)] Waiting until timeout for monitored process [2024-11-25 05:24:55,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:24:55,426 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 05:24:55,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:24:55,463 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 05:24:55,464 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 05:24:56,493 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-25 05:24:56,497 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (84)] Ended with exit code 0 [2024-11-25 05:24:56,503 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:24:56,504 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 36 states and 60 transitions. [2024-11-25 05:24:56,504 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 60 transitions. [2024-11-25 05:24:56,504 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-25 05:24:56,504 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:24:56,504 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 05:24:56,504 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 05:24:56,508 INFO L229 MonitoredProcess]: Starting monitored process 85 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 05:24:56,510 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (85)] Waiting until timeout for monitored process [2024-11-25 05:24:57,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:24:57,135 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 05:24:57,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:24:57,184 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 05:24:57,185 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 05:24:58,118 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-25 05:24:58,122 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (85)] Forceful destruction successful, exit code 0 [2024-11-25 05:24:58,126 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:24:58,126 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 36 states and 60 transitions. [2024-11-25 05:24:58,126 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 60 transitions. [2024-11-25 05:24:58,127 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-25 05:24:58,127 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:24:58,127 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 05:24:58,127 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 05:24:58,129 INFO L229 MonitoredProcess]: Starting monitored process 86 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 05:24:58,130 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (86)] Waiting until timeout for monitored process [2024-11-25 05:24:58,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:24:58,717 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 05:24:58,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:24:58,752 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 05:24:58,753 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 05:24:59,832 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-25 05:24:59,836 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (86)] Forceful destruction successful, exit code 0 [2024-11-25 05:24:59,841 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:24:59,841 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 36 states and 60 transitions. [2024-11-25 05:24:59,841 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 60 transitions. [2024-11-25 05:24:59,842 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-25 05:24:59,842 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:24:59,842 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 05:24:59,842 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 05:24:59,843 INFO L229 MonitoredProcess]: Starting monitored process 87 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 05:24:59,845 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (87)] Waiting until timeout for monitored process [2024-11-25 05:25:00,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:25:00,430 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 05:25:00,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:25:00,462 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 05:25:00,463 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 05:25:01,301 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-25 05:25:01,310 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (87)] Ended with exit code 0 [2024-11-25 05:25:01,315 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:25:01,315 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 36 states and 60 transitions. [2024-11-25 05:25:01,315 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 60 transitions. [2024-11-25 05:25:01,315 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-25 05:25:01,315 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:25:01,316 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 05:25:01,316 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 05:25:01,317 INFO L229 MonitoredProcess]: Starting monitored process 88 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 05:25:01,318 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (88)] Waiting until timeout for monitored process [2024-11-25 05:25:01,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:25:01,900 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 05:25:01,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:25:01,932 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 05:25:01,933 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 05:25:02,862 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-25 05:25:02,865 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (88)] Ended with exit code 0 [2024-11-25 05:25:02,869 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:25:02,869 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 36 states and 60 transitions. [2024-11-25 05:25:02,869 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 60 transitions. [2024-11-25 05:25:02,869 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-25 05:25:02,870 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:25:02,870 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 05:25:02,870 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 05:25:02,871 INFO L229 MonitoredProcess]: Starting monitored process 89 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 05:25:02,873 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (89)] Waiting until timeout for monitored process [2024-11-25 05:25:03,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:25:03,448 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 05:25:03,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:25:03,493 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 05:25:03,494 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 05:25:04,459 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-25 05:25:04,463 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (89)] Ended with exit code 0 [2024-11-25 05:25:04,467 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:25:04,467 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 36 states and 60 transitions. [2024-11-25 05:25:04,467 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 60 transitions. [2024-11-25 05:25:04,467 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-25 05:25:04,468 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:25:04,468 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 05:25:04,468 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 05:25:04,469 INFO L229 MonitoredProcess]: Starting monitored process 90 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 05:25:04,471 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (90)] Waiting until timeout for monitored process [2024-11-25 05:25:05,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:25:05,051 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 05:25:05,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:25:05,089 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 05:25:05,090 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 05:25:06,293 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-25 05:25:06,298 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (90)] Ended with exit code 0 [2024-11-25 05:25:06,301 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:25:06,302 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 36 states and 60 transitions. [2024-11-25 05:25:06,302 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 60 transitions. [2024-11-25 05:25:06,302 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-25 05:25:06,302 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:25:06,302 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 05:25:06,302 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 05:25:06,304 INFO L229 MonitoredProcess]: Starting monitored process 91 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 05:25:06,305 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (91)] Waiting until timeout for monitored process [2024-11-25 05:25:06,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:25:06,887 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 05:25:06,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:25:06,920 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 05:25:06,921 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 05:25:07,932 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-25 05:25:07,936 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (91)] Ended with exit code 0 [2024-11-25 05:25:07,940 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:25:07,940 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 36 states and 60 transitions. [2024-11-25 05:25:07,940 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 60 transitions. [2024-11-25 05:25:07,941 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-25 05:25:07,941 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:25:07,941 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 05:25:07,941 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 05:25:07,942 INFO L229 MonitoredProcess]: Starting monitored process 92 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 05:25:07,944 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (92)] Waiting until timeout for monitored process [2024-11-25 05:25:08,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:25:08,522 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 05:25:08,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:25:08,554 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 05:25:08,555 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 05:25:09,560 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-25 05:25:09,564 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (92)] Forceful destruction successful, exit code 0 [2024-11-25 05:25:09,568 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:25:09,568 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 36 states and 60 transitions. [2024-11-25 05:25:09,568 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 60 transitions. [2024-11-25 05:25:09,569 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-25 05:25:09,569 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:25:09,569 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 05:25:09,569 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 05:25:09,570 INFO L229 MonitoredProcess]: Starting monitored process 93 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 05:25:09,572 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (93)] Waiting until timeout for monitored process [2024-11-25 05:25:10,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:25:10,150 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 05:25:10,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:25:10,187 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-25 05:25:10,188 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 05:25:11,259 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-25 05:25:11,264 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (93)] Ended with exit code 0 [2024-11-25 05:25:11,356 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:25:11,356 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 36 states and 60 transitions. [2024-11-25 05:25:11,356 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 60 transitions. [2024-11-25 05:25:11,357 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-25 05:25:11,357 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:25:11,357 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 05:25:11,357 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 05:25:11,359 INFO L229 MonitoredProcess]: Starting monitored process 94 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 05:25:11,360 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (94)] Waiting until timeout for monitored process [2024-11-25 05:25:11,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:25:11,972 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 05:25:12,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:25:12,009 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 05:25:12,009 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 05:25:13,025 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-25 05:25:13,029 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (94)] Ended with exit code 0 [2024-11-25 05:25:13,033 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:25:13,033 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 36 states and 60 transitions. [2024-11-25 05:25:13,033 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 60 transitions. [2024-11-25 05:25:13,033 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-25 05:25:13,033 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:25:13,033 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 05:25:13,033 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 05:25:13,035 INFO L229 MonitoredProcess]: Starting monitored process 95 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 05:25:13,036 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (95)] Waiting until timeout for monitored process [2024-11-25 05:25:13,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:25:13,640 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 05:25:13,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:25:13,725 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-25 05:25:13,726 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 05:25:14,918 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-25 05:25:14,922 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (95)] Forceful destruction successful, exit code 0 [2024-11-25 05:25:15,008 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:25:15,008 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 36 states and 60 transitions. [2024-11-25 05:25:15,008 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 60 transitions. [2024-11-25 05:25:15,009 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-25 05:25:15,009 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:25:15,009 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 05:25:15,009 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 05:25:15,011 INFO L229 MonitoredProcess]: Starting monitored process 96 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 05:25:15,012 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (96)] Waiting until timeout for monitored process [2024-11-25 05:25:15,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:25:15,678 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 05:25:15,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:25:15,762 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-25 05:25:15,763 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 05:25:16,979 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-25 05:25:16,984 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (96)] Forceful destruction successful, exit code 0 [2024-11-25 05:25:17,072 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:25:17,073 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 36 states and 60 transitions. [2024-11-25 05:25:17,073 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 60 transitions. [2024-11-25 05:25:17,073 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-25 05:25:17,073 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:25:17,073 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 05:25:17,073 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 05:25:17,077 INFO L229 MonitoredProcess]: Starting monitored process 97 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 05:25:17,078 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (97)] Waiting until timeout for monitored process [2024-11-25 05:25:17,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:25:17,661 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 05:25:17,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:25:17,693 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 05:25:17,694 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 05:25:18,682 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-25 05:25:18,688 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (97)] Ended with exit code 0 [2024-11-25 05:25:18,693 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:25:18,693 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 36 states and 60 transitions. [2024-11-25 05:25:18,693 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 60 transitions. [2024-11-25 05:25:18,694 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-25 05:25:18,694 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:25:18,694 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 05:25:18,694 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 05:25:18,699 INFO L229 MonitoredProcess]: Starting monitored process 98 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 05:25:18,700 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (98)] Waiting until timeout for monitored process [2024-11-25 05:25:19,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:25:19,301 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 05:25:19,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:25:19,334 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 05:25:19,335 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 05:25:20,409 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-25 05:25:20,413 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (98)] Forceful destruction successful, exit code 0 [2024-11-25 05:25:20,420 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:25:20,420 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 36 states and 60 transitions. [2024-11-25 05:25:20,420 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 60 transitions. [2024-11-25 05:25:20,420 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-25 05:25:20,420 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:25:20,420 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 05:25:20,421 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 05:25:20,423 INFO L229 MonitoredProcess]: Starting monitored process 99 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 05:25:20,425 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (99)] Waiting until timeout for monitored process [2024-11-25 05:25:21,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:25:21,019 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 05:25:21,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:25:21,050 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 05:25:21,051 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 05:25:22,203 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-25 05:25:22,207 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (99)] Ended with exit code 0 [2024-11-25 05:25:22,211 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:25:22,212 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 36 states and 60 transitions. [2024-11-25 05:25:22,212 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 60 transitions. [2024-11-25 05:25:22,212 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-25 05:25:22,212 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:25:22,212 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 05:25:22,212 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 05:25:22,214 INFO L229 MonitoredProcess]: Starting monitored process 100 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 05:25:22,215 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (100)] Waiting until timeout for monitored process [2024-11-25 05:25:22,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:25:22,801 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 05:25:22,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:25:22,835 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 05:25:22,836 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 05:25:23,699 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-25 05:25:23,704 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (100)] Ended with exit code 0 [2024-11-25 05:25:23,707 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:25:23,707 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 36 states and 60 transitions. [2024-11-25 05:25:23,707 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 60 transitions. [2024-11-25 05:25:23,708 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-25 05:25:23,708 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:25:23,708 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 05:25:23,708 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 05:25:23,709 INFO L229 MonitoredProcess]: Starting monitored process 101 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 05:25:23,711 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (101)] Waiting until timeout for monitored process [2024-11-25 05:25:24,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:25:24,308 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 05:25:24,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:25:24,351 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-25 05:25:24,352 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 05:25:27,188 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-25 05:25:27,193 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (101)] Ended with exit code 0 [2024-11-25 05:25:28,568 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:25:28,569 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 47 states and 82 transitions. [2024-11-25 05:25:28,569 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 82 transitions. [2024-11-25 05:25:28,569 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-25 05:25:28,569 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:25:28,569 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 05:25:28,569 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 05:25:28,572 INFO L229 MonitoredProcess]: Starting monitored process 102 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 05:25:28,573 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (102)] Waiting until timeout for monitored process [2024-11-25 05:25:29,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:25:29,131 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 05:25:29,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:25:29,164 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-25 05:25:29,165 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 05:25:30,287 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-25 05:25:30,291 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (102)] Forceful destruction successful, exit code 0 [2024-11-25 05:25:30,459 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:25:30,459 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 47 states and 82 transitions. [2024-11-25 05:25:30,459 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 82 transitions. [2024-11-25 05:25:30,459 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-25 05:25:30,459 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:25:30,459 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 05:25:30,460 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 05:25:30,463 INFO L229 MonitoredProcess]: Starting monitored process 103 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 05:25:30,466 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (103)] Waiting until timeout for monitored process [2024-11-25 05:25:31,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:25:31,106 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 05:25:31,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:25:31,143 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 05:25:31,144 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 05:25:32,010 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-25 05:25:32,015 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (103)] Ended with exit code 0 [2024-11-25 05:25:32,020 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:25:32,020 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 47 states and 82 transitions. [2024-11-25 05:25:32,021 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 82 transitions. [2024-11-25 05:25:32,021 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-25 05:25:32,021 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:25:32,021 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 05:25:32,021 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 05:25:32,024 INFO L229 MonitoredProcess]: Starting monitored process 104 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 05:25:32,033 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (104)] Waiting until timeout for monitored process [2024-11-25 05:25:32,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:25:32,615 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 05:25:32,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:25:32,656 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 05:25:32,657 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 05:25:33,554 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-25 05:25:33,557 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (104)] Forceful destruction successful, exit code 0 [2024-11-25 05:25:33,563 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:25:33,563 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 47 states and 82 transitions. [2024-11-25 05:25:33,563 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 82 transitions. [2024-11-25 05:25:33,564 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-25 05:25:33,564 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:25:33,564 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 05:25:33,564 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 05:25:33,565 INFO L229 MonitoredProcess]: Starting monitored process 105 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 05:25:33,567 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (105)] Waiting until timeout for monitored process [2024-11-25 05:25:34,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:25:34,118 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 05:25:34,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:25:34,152 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-25 05:25:34,153 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 05:25:35,257 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-25 05:25:35,261 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (105)] Ended with exit code 0 [2024-11-25 05:25:35,267 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:25:35,267 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 47 states and 82 transitions. [2024-11-25 05:25:35,267 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 82 transitions. [2024-11-25 05:25:35,267 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-25 05:25:35,267 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:25:35,268 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 05:25:35,268 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 05:25:35,271 INFO L229 MonitoredProcess]: Starting monitored process 106 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 05:25:35,272 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (106)] Waiting until timeout for monitored process [2024-11-25 05:25:35,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:25:35,945 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 05:25:35,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:25:35,976 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 05:25:35,977 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 05:25:37,056 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-25 05:25:37,060 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (106)] Ended with exit code 0 [2024-11-25 05:25:37,064 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:25:37,065 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 47 states and 82 transitions. [2024-11-25 05:25:37,065 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 82 transitions. [2024-11-25 05:25:37,065 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-25 05:25:37,065 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:25:37,065 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 05:25:37,065 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 05:25:37,067 INFO L229 MonitoredProcess]: Starting monitored process 107 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 05:25:37,068 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (107)] Waiting until timeout for monitored process [2024-11-25 05:25:37,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:25:37,625 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 05:25:37,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:25:37,688 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 05:25:37,689 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 05:25:38,790 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-25 05:25:38,793 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (107)] Ended with exit code 0 [2024-11-25 05:25:38,798 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:25:38,798 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 47 states and 82 transitions. [2024-11-25 05:25:38,798 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 82 transitions. [2024-11-25 05:25:38,798 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-25 05:25:38,799 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:25:38,799 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 05:25:38,799 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 05:25:38,801 INFO L229 MonitoredProcess]: Starting monitored process 108 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 05:25:38,803 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (108)] Waiting until timeout for monitored process [2024-11-25 05:25:39,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:25:39,373 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 05:25:39,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:25:39,426 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-25 05:25:39,427 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 05:25:40,298 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-25 05:25:40,302 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (108)] Ended with exit code 0 [2024-11-25 05:25:40,307 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:25:40,307 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 47 states and 82 transitions. [2024-11-25 05:25:40,307 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 82 transitions. [2024-11-25 05:25:40,308 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-25 05:25:40,308 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:25:40,308 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 05:25:40,308 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 05:25:40,316 INFO L229 MonitoredProcess]: Starting monitored process 109 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 05:25:40,317 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (109)] Waiting until timeout for monitored process [2024-11-25 05:25:40,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:25:40,895 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 05:25:40,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:25:40,927 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-25 05:25:40,928 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 05:25:41,978 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-25 05:25:41,983 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (109)] Forceful destruction successful, exit code 0 [2024-11-25 05:25:41,990 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:25:41,990 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 47 states and 82 transitions. [2024-11-25 05:25:41,990 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 82 transitions. [2024-11-25 05:25:41,990 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-25 05:25:41,990 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:25:41,991 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 05:25:41,991 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 05:25:41,994 INFO L229 MonitoredProcess]: Starting monitored process 110 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 05:25:41,995 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (110)] Waiting until timeout for monitored process [2024-11-25 05:25:42,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:25:42,643 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 05:25:42,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:25:42,677 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 05:25:42,678 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 05:25:43,611 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-25 05:25:43,615 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (110)] Ended with exit code 0 [2024-11-25 05:25:43,619 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:25:43,619 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 47 states and 82 transitions. [2024-11-25 05:25:43,619 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 82 transitions. [2024-11-25 05:25:43,620 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-25 05:25:43,620 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:25:43,620 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 05:25:43,620 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 05:25:43,622 INFO L229 MonitoredProcess]: Starting monitored process 111 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 05:25:43,624 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (111)] Waiting until timeout for monitored process [2024-11-25 05:25:44,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:25:44,188 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 05:25:44,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:25:44,221 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 05:25:44,222 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 05:25:45,318 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-25 05:25:45,324 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (111)] Ended with exit code 0 [2024-11-25 05:25:45,330 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:25:45,331 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 47 states and 82 transitions. [2024-11-25 05:25:45,331 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 82 transitions. [2024-11-25 05:25:45,331 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-25 05:25:45,331 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:25:45,331 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 05:25:45,331 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 05:25:45,333 INFO L229 MonitoredProcess]: Starting monitored process 112 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 05:25:45,336 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (112)] Waiting until timeout for monitored process [2024-11-25 05:25:45,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:25:45,939 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 05:25:45,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:25:45,988 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-25 05:25:45,990 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 05:25:47,001 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-25 05:25:47,005 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (112)] Forceful destruction successful, exit code 0 [2024-11-25 05:25:47,012 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:25:47,013 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 47 states and 82 transitions. [2024-11-25 05:25:47,013 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 82 transitions. [2024-11-25 05:25:47,013 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-25 05:25:47,013 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:25:47,013 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 05:25:47,013 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 05:25:47,015 INFO L229 MonitoredProcess]: Starting monitored process 113 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 05:25:47,016 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (113)] Waiting until timeout for monitored process [2024-11-25 05:25:47,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:25:47,565 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 05:25:47,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:25:47,612 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 05:25:47,613 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 05:25:48,471 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-25 05:25:48,475 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (113)] Ended with exit code 0 [2024-11-25 05:25:48,479 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:25:48,480 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 47 states and 82 transitions. [2024-11-25 05:25:48,480 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 82 transitions. [2024-11-25 05:25:48,480 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-25 05:25:48,480 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:25:48,480 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 05:25:48,480 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 05:25:48,482 INFO L229 MonitoredProcess]: Starting monitored process 114 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 05:25:48,483 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (114)] Waiting until timeout for monitored process [2024-11-25 05:25:49,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:25:49,043 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 05:25:49,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:25:49,090 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 05:25:49,091 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 05:25:50,165 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-25 05:25:50,170 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (114)] Ended with exit code 0 [2024-11-25 05:25:50,174 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:25:50,175 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 47 states and 82 transitions. [2024-11-25 05:25:50,175 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 82 transitions. [2024-11-25 05:25:50,175 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-25 05:25:50,175 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:25:50,175 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 05:25:50,176 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 05:25:50,179 INFO L229 MonitoredProcess]: Starting monitored process 115 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 05:25:50,182 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (115)] Waiting until timeout for monitored process [2024-11-25 05:25:50,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:25:50,739 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 05:25:50,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:25:50,772 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 05:25:50,773 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 05:25:51,754 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-25 05:25:51,758 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (115)] Ended with exit code 0 [2024-11-25 05:25:51,763 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:25:51,763 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 47 states and 82 transitions. [2024-11-25 05:25:51,763 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 82 transitions. [2024-11-25 05:25:51,764 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-25 05:25:51,764 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:25:51,764 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 05:25:51,764 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 05:25:51,765 INFO L229 MonitoredProcess]: Starting monitored process 116 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 05:25:51,767 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (116)] Waiting until timeout for monitored process [2024-11-25 05:25:52,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:25:52,322 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 05:25:52,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:25:52,351 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 05:25:52,352 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 05:25:53,274 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-25 05:25:53,278 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (116)] Forceful destruction successful, exit code 0 [2024-11-25 05:25:53,282 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:25:53,283 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 47 states and 82 transitions. [2024-11-25 05:25:53,283 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 82 transitions. [2024-11-25 05:25:53,283 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-25 05:25:53,283 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:25:53,283 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 05:25:53,283 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 05:25:53,285 INFO L229 MonitoredProcess]: Starting monitored process 117 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 05:25:53,286 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (117)] Waiting until timeout for monitored process [2024-11-25 05:25:53,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:25:53,841 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 05:25:53,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:25:53,872 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 05:25:53,873 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 05:25:54,823 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-25 05:25:54,827 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (117)] Forceful destruction successful, exit code 0 [2024-11-25 05:25:54,831 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:25:54,832 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 47 states and 82 transitions. [2024-11-25 05:25:54,832 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 82 transitions. [2024-11-25 05:25:54,832 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-25 05:25:54,832 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:25:54,832 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 05:25:54,832 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 05:25:54,835 INFO L229 MonitoredProcess]: Starting monitored process 118 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 05:25:54,835 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (118)] Waiting until timeout for monitored process [2024-11-25 05:25:55,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:25:55,403 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 05:25:55,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:25:55,451 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 05:25:55,452 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 05:25:56,377 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-25 05:25:56,381 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (118)] Ended with exit code 0 [2024-11-25 05:25:56,385 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:25:56,385 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 47 states and 82 transitions. [2024-11-25 05:25:56,385 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 82 transitions. [2024-11-25 05:25:56,386 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-25 05:25:56,386 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:25:56,386 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 05:25:56,386 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 05:25:56,388 INFO L229 MonitoredProcess]: Starting monitored process 119 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 05:25:56,389 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (119)] Waiting until timeout for monitored process [2024-11-25 05:25:56,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:25:56,953 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 05:25:56,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:25:56,983 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 05:25:56,984 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 05:25:57,975 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-25 05:25:57,978 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (119)] Ended with exit code 0 [2024-11-25 05:25:57,983 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:25:57,983 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 47 states and 82 transitions. [2024-11-25 05:25:57,983 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 82 transitions. [2024-11-25 05:25:57,984 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-25 05:25:57,984 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:25:57,984 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 05:25:57,984 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 05:25:57,986 INFO L229 MonitoredProcess]: Starting monitored process 120 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 05:25:57,988 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (120)] Waiting until timeout for monitored process [2024-11-25 05:25:58,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:25:58,546 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 05:25:58,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:25:58,577 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 05:25:58,578 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 05:25:59,539 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-25 05:25:59,543 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (120)] Forceful destruction successful, exit code 0 [2024-11-25 05:25:59,548 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:25:59,548 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 47 states and 82 transitions. [2024-11-25 05:25:59,548 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 82 transitions. [2024-11-25 05:25:59,549 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-25 05:25:59,549 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:25:59,549 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 05:25:59,549 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 05:25:59,550 INFO L229 MonitoredProcess]: Starting monitored process 121 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 05:25:59,551 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (121)] Waiting until timeout for monitored process [2024-11-25 05:26:00,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:26:00,119 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 05:26:00,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:26:00,153 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 05:26:00,153 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 05:26:01,027 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-25 05:26:01,033 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (121)] Ended with exit code 0 [2024-11-25 05:26:01,041 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:26:01,042 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 47 states and 82 transitions. [2024-11-25 05:26:01,042 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 82 transitions. [2024-11-25 05:26:01,042 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-25 05:26:01,042 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:26:01,042 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 05:26:01,042 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 05:26:01,044 INFO L229 MonitoredProcess]: Starting monitored process 122 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 05:26:01,045 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (122)] Waiting until timeout for monitored process [2024-11-25 05:26:01,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:26:01,603 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 05:26:01,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:26:01,634 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 05:26:01,635 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 05:26:02,560 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-25 05:26:02,564 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (122)] Forceful destruction successful, exit code 0 [2024-11-25 05:26:02,569 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:26:02,569 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 47 states and 82 transitions. [2024-11-25 05:26:02,569 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 82 transitions. [2024-11-25 05:26:02,569 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-25 05:26:02,569 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:26:02,569 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 05:26:02,569 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 05:26:02,571 INFO L229 MonitoredProcess]: Starting monitored process 123 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 05:26:02,572 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (123)] Waiting until timeout for monitored process [2024-11-25 05:26:03,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:26:03,134 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 05:26:03,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:26:03,182 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-25 05:26:03,183 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 05:26:04,203 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-25 05:26:04,207 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (123)] Ended with exit code 0 [2024-11-25 05:26:04,212 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:26:04,212 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 47 states and 82 transitions. [2024-11-25 05:26:04,212 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 82 transitions. [2024-11-25 05:26:04,212 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-25 05:26:04,212 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:26:04,212 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 05:26:04,213 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 05:26:04,215 INFO L229 MonitoredProcess]: Starting monitored process 124 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 05:26:04,216 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (124)] Waiting until timeout for monitored process [2024-11-25 05:26:04,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:26:04,771 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 05:26:04,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:26:04,801 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 05:26:04,802 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 05:26:05,841 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-25 05:26:05,845 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (124)] Ended with exit code 0 [2024-11-25 05:26:05,851 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:26:05,851 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 47 states and 82 transitions. [2024-11-25 05:26:05,851 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 82 transitions. [2024-11-25 05:26:05,851 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-25 05:26:05,851 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:26:05,852 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 05:26:05,852 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 05:26:05,856 INFO L229 MonitoredProcess]: Starting monitored process 125 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 05:26:05,857 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (125)] Waiting until timeout for monitored process [2024-11-25 05:26:06,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:26:06,464 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 05:26:06,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:26:06,496 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-25 05:26:06,497 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 05:26:07,634 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-25 05:26:07,638 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (125)] Forceful destruction successful, exit code 0 [2024-11-25 05:26:07,936 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:26:07,937 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-11-25 05:26:07,937 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-11-25 05:26:07,937 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-25 05:26:07,937 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:26:07,937 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 05:26:07,937 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 05:26:07,942 INFO L229 MonitoredProcess]: Starting monitored process 126 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 05:26:07,943 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (126)] Waiting until timeout for monitored process [2024-11-25 05:26:08,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:26:08,541 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 05:26:08,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:26:08,572 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 05:26:08,572 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 05:26:09,561 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-25 05:26:09,565 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (126)] Forceful destruction successful, exit code 0 [2024-11-25 05:26:09,570 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:26:09,570 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-11-25 05:26:09,570 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-11-25 05:26:09,570 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-25 05:26:09,570 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:26:09,570 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 05:26:09,571 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 05:26:09,572 INFO L229 MonitoredProcess]: Starting monitored process 127 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 05:26:09,574 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (127)] Waiting until timeout for monitored process [2024-11-25 05:26:10,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:26:10,168 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 05:26:10,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:26:10,198 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 05:26:10,199 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 05:26:11,210 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-25 05:26:11,213 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (127)] Ended with exit code 0 [2024-11-25 05:26:11,221 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:26:11,221 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-11-25 05:26:11,221 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-11-25 05:26:11,221 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-25 05:26:11,221 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:26:11,222 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 05:26:11,222 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 05:26:11,225 INFO L229 MonitoredProcess]: Starting monitored process 128 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 05:26:11,229 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (128)] Waiting until timeout for monitored process [2024-11-25 05:26:11,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:26:11,830 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 05:26:11,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:26:11,864 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 05:26:11,865 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 05:26:12,827 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-25 05:26:12,831 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (128)] Forceful destruction successful, exit code 0 [2024-11-25 05:26:12,836 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:26:12,836 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-11-25 05:26:12,836 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-11-25 05:26:12,836 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-25 05:26:12,836 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:26:12,837 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 05:26:12,837 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 05:26:12,841 INFO L229 MonitoredProcess]: Starting monitored process 129 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 05:26:12,842 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (129)] Waiting until timeout for monitored process [2024-11-25 05:26:13,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:26:13,387 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 05:26:13,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:26:13,450 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 05:26:13,451 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 05:26:14,473 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-25 05:26:14,478 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (129)] Forceful destruction successful, exit code 0 [2024-11-25 05:26:14,483 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:26:14,484 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-11-25 05:26:14,484 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-11-25 05:26:14,484 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-25 05:26:14,484 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:26:14,484 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 05:26:14,484 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 05:26:14,486 INFO L229 MonitoredProcess]: Starting monitored process 130 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 05:26:14,488 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (130)] Waiting until timeout for monitored process [2024-11-25 05:26:15,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:26:15,038 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 05:26:15,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:26:15,069 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 05:26:15,070 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 05:26:16,146 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-25 05:26:16,151 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (130)] Ended with exit code 0 [2024-11-25 05:26:16,155 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:26:16,156 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-11-25 05:26:16,156 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-11-25 05:26:16,156 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-25 05:26:16,156 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:26:16,156 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 05:26:16,156 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 05:26:16,161 INFO L229 MonitoredProcess]: Starting monitored process 131 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 05:26:16,162 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (131)] Waiting until timeout for monitored process [2024-11-25 05:26:16,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:26:16,816 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 05:26:16,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:26:16,858 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 05:26:16,859 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 05:26:18,012 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-25 05:26:18,016 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (131)] Ended with exit code 0 [2024-11-25 05:26:18,021 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:26:18,021 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-11-25 05:26:18,022 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-11-25 05:26:18,022 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-25 05:26:18,022 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:26:18,022 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 05:26:18,022 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 05:26:18,026 INFO L229 MonitoredProcess]: Starting monitored process 132 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 05:26:18,028 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (132)] Waiting until timeout for monitored process [2024-11-25 05:26:18,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:26:18,633 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 05:26:18,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:26:18,684 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-25 05:26:18,685 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 05:26:20,840 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-25 05:26:20,844 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (132)] Forceful destruction successful, exit code 0 [2024-11-25 05:26:20,894 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:26:20,894 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-11-25 05:26:20,894 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-11-25 05:26:20,894 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-25 05:26:20,894 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:26:20,894 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 05:26:20,894 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 05:26:20,896 INFO L229 MonitoredProcess]: Starting monitored process 133 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 05:26:20,897 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (133)] Waiting until timeout for monitored process [2024-11-25 05:26:21,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:26:21,445 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 05:26:21,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:26:21,476 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 05:26:21,477 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 05:26:22,377 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-25 05:26:22,381 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (133)] Ended with exit code 0 [2024-11-25 05:26:22,386 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:26:22,386 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-11-25 05:26:22,386 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-11-25 05:26:22,386 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-25 05:26:22,386 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:26:22,386 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 05:26:22,386 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 05:26:22,392 INFO L229 MonitoredProcess]: Starting monitored process 134 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 05:26:22,394 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (134)] Waiting until timeout for monitored process [2024-11-25 05:26:22,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:26:22,949 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 05:26:22,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:26:22,979 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 05:26:22,980 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 05:26:23,837 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-25 05:26:23,841 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (134)] Ended with exit code 0 [2024-11-25 05:26:23,846 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:26:23,846 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-11-25 05:26:23,846 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-11-25 05:26:23,846 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-25 05:26:23,846 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:26:23,847 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 05:26:23,847 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 05:26:23,849 INFO L229 MonitoredProcess]: Starting monitored process 135 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 05:26:23,851 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (135)] Waiting until timeout for monitored process [2024-11-25 05:26:24,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:26:24,419 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 05:26:24,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:26:24,447 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 05:26:24,448 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 05:26:25,547 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-25 05:26:25,551 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (135)] Ended with exit code 0 [2024-11-25 05:26:25,556 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:26:25,557 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-11-25 05:26:25,557 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-11-25 05:26:25,557 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-25 05:26:25,557 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:26:25,557 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 05:26:25,557 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 05:26:25,560 INFO L229 MonitoredProcess]: Starting monitored process 136 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 05:26:25,563 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (136)] Waiting until timeout for monitored process [2024-11-25 05:26:26,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:26:26,155 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 05:26:26,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:26:26,191 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-25 05:26:26,192 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 05:26:28,478 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-25 05:26:28,482 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (136)] Ended with exit code 0 [2024-11-25 05:26:28,625 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:26:28,626 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-11-25 05:26:28,626 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-11-25 05:26:28,626 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-25 05:26:28,626 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:26:28,626 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 05:26:28,627 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 05:26:28,630 INFO L229 MonitoredProcess]: Starting monitored process 137 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 05:26:28,632 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (137)] Waiting until timeout for monitored process [2024-11-25 05:26:29,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:26:29,328 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 05:26:29,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:26:29,360 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 05:26:29,361 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 05:26:30,262 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-25 05:26:30,267 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (137)] Forceful destruction successful, exit code 0 [2024-11-25 05:26:30,271 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:26:30,272 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-11-25 05:26:30,272 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-11-25 05:26:30,272 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-25 05:26:30,272 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:26:30,272 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 05:26:30,272 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 05:26:30,274 INFO L229 MonitoredProcess]: Starting monitored process 138 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 05:26:30,275 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (138)] Waiting until timeout for monitored process [2024-11-25 05:26:30,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:26:30,814 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 05:26:30,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:26:30,858 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-25 05:26:30,860 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 05:26:32,512 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-25 05:26:32,516 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (138)] Ended with exit code 0 [2024-11-25 05:26:32,521 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:26:32,522 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-11-25 05:26:32,522 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-11-25 05:26:32,522 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-25 05:26:32,522 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:26:32,522 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 05:26:32,522 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 05:26:32,525 INFO L229 MonitoredProcess]: Starting monitored process 139 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 05:26:32,527 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (139)] Waiting until timeout for monitored process [2024-11-25 05:26:33,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:26:33,159 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 05:26:33,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:26:33,193 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 05:26:33,194 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 05:26:34,165 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-25 05:26:34,169 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (139)] Ended with exit code 0 [2024-11-25 05:26:34,174 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:26:34,174 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-11-25 05:26:34,174 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-11-25 05:26:34,174 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-25 05:26:34,174 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:26:34,175 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 05:26:34,175 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 05:26:34,177 INFO L229 MonitoredProcess]: Starting monitored process 140 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 05:26:34,181 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (140)] Waiting until timeout for monitored process [2024-11-25 05:26:34,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:26:34,768 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 05:26:34,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:26:34,813 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 05:26:34,814 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 05:26:35,869 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-25 05:26:35,873 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (140)] Forceful destruction successful, exit code 0 [2024-11-25 05:26:35,877 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:26:35,878 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-11-25 05:26:35,878 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-11-25 05:26:35,878 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-25 05:26:35,878 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:26:35,878 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 05:26:35,878 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 05:26:35,880 INFO L229 MonitoredProcess]: Starting monitored process 141 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 05:26:35,881 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (141)] Waiting until timeout for monitored process [2024-11-25 05:26:36,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:26:36,433 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 05:26:36,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:26:36,462 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 05:26:36,463 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 05:26:37,385 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-25 05:26:37,390 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (141)] Ended with exit code 0 [2024-11-25 05:26:37,396 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:26:37,397 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-11-25 05:26:37,397 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-11-25 05:26:37,397 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-25 05:26:37,397 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:26:37,397 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 05:26:37,397 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 05:26:37,400 INFO L229 MonitoredProcess]: Starting monitored process 142 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 05:26:37,402 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (142)] Waiting until timeout for monitored process [2024-11-25 05:26:37,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:26:37,976 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 05:26:38,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:26:38,005 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 05:26:38,006 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 05:26:39,065 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-25 05:26:39,069 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (142)] Ended with exit code 0 [2024-11-25 05:26:39,074 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:26:39,074 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-11-25 05:26:39,074 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-11-25 05:26:39,074 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-25 05:26:39,074 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:26:39,074 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 05:26:39,074 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 05:26:39,076 INFO L229 MonitoredProcess]: Starting monitored process 143 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 05:26:39,077 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (143)] Waiting until timeout for monitored process [2024-11-25 05:26:39,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:26:39,650 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 05:26:39,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:26:39,684 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 05:26:39,685 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 05:26:40,754 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-25 05:26:40,760 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (143)] Ended with exit code 0 [2024-11-25 05:26:40,765 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:26:40,765 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-11-25 05:26:40,765 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-11-25 05:26:40,765 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-25 05:26:40,765 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:26:40,765 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 05:26:40,765 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 05:26:40,767 INFO L229 MonitoredProcess]: Starting monitored process 144 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 05:26:40,768 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (144)] Waiting until timeout for monitored process [2024-11-25 05:26:41,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:26:41,400 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 05:26:41,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:26:41,442 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-25 05:26:41,443 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 05:26:42,738 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-25 05:26:42,742 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (144)] Ended with exit code 0 [2024-11-25 05:26:42,746 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:26:42,747 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-11-25 05:26:42,747 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-11-25 05:26:42,747 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-25 05:26:42,747 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:26:42,747 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 05:26:42,747 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 05:26:42,751 INFO L229 MonitoredProcess]: Starting monitored process 145 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 05:26:42,754 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (145)] Waiting until timeout for monitored process [2024-11-25 05:26:43,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:26:43,482 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 05:26:43,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:26:43,512 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 05:26:43,513 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 05:26:44,828 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-25 05:26:44,834 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (145)] Ended with exit code 0 [2024-11-25 05:26:44,844 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:26:44,844 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-11-25 05:26:44,844 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-11-25 05:26:44,845 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-25 05:26:44,845 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:26:44,845 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 05:26:44,845 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 05:26:44,848 INFO L229 MonitoredProcess]: Starting monitored process 146 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 05:26:44,849 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (146)] Waiting until timeout for monitored process [2024-11-25 05:26:45,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:26:45,372 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 05:26:45,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:26:45,402 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 05:26:45,402 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 05:26:46,349 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-25 05:26:46,353 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (146)] Ended with exit code 0 [2024-11-25 05:26:46,357 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:26:46,357 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-11-25 05:26:46,357 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-11-25 05:26:46,357 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-25 05:26:46,357 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:26:46,358 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 05:26:46,358 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 05:26:46,359 INFO L229 MonitoredProcess]: Starting monitored process 147 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 05:26:46,361 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (147)] Waiting until timeout for monitored process [2024-11-25 05:26:46,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:26:46,886 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 05:26:46,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:26:46,916 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-25 05:26:46,916 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 05:26:48,032 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-25 05:26:48,036 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (147)] Ended with exit code 0 [2024-11-25 05:26:48,041 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:26:48,041 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-11-25 05:26:48,041 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-11-25 05:26:48,041 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-25 05:26:48,041 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:26:48,041 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 05:26:48,041 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 05:26:48,046 INFO L229 MonitoredProcess]: Starting monitored process 148 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 05:26:48,048 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (148)] Waiting until timeout for monitored process [2024-11-25 05:26:48,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:26:48,655 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 05:26:48,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:26:48,686 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 05:26:48,686 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 05:26:49,751 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-25 05:26:49,755 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (148)] Ended with exit code 0 [2024-11-25 05:26:49,759 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:26:49,760 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-11-25 05:26:49,760 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-11-25 05:26:49,760 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-25 05:26:49,760 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:26:49,760 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 05:26:49,760 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 05:26:49,763 INFO L229 MonitoredProcess]: Starting monitored process 149 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 05:26:49,768 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (149)] Waiting until timeout for monitored process [2024-11-25 05:26:50,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:26:50,537 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 05:26:50,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:26:50,570 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 05:26:50,571 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 05:26:51,933 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-25 05:26:51,937 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (149)] Ended with exit code 0 [2024-11-25 05:26:51,942 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:26:51,942 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-11-25 05:26:51,942 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-11-25 05:26:51,942 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-25 05:26:51,942 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:26:51,942 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 05:26:51,942 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 05:26:51,944 INFO L229 MonitoredProcess]: Starting monitored process 150 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 05:26:51,945 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (150)] Waiting until timeout for monitored process [2024-11-25 05:26:52,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:26:52,603 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 05:26:52,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:26:52,636 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 05:26:52,637 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 05:26:53,664 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-25 05:26:53,668 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (150)] Ended with exit code 0 [2024-11-25 05:26:53,673 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:26:53,674 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-11-25 05:26:53,674 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-11-25 05:26:53,674 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-25 05:26:53,674 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:26:53,674 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 05:26:53,674 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 05:26:53,675 INFO L229 MonitoredProcess]: Starting monitored process 151 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 05:26:53,677 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (151)] Waiting until timeout for monitored process [2024-11-25 05:26:54,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:26:54,326 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 05:26:54,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:26:54,362 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 05:26:54,363 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 05:26:55,434 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-25 05:26:55,438 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (151)] Forceful destruction successful, exit code 0 [2024-11-25 05:26:55,443 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:26:55,443 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-11-25 05:26:55,444 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-11-25 05:26:55,444 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-25 05:26:55,444 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:26:55,444 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 05:26:55,444 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 05:26:55,445 INFO L229 MonitoredProcess]: Starting monitored process 152 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 05:26:55,446 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (152)] Waiting until timeout for monitored process [2024-11-25 05:26:56,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:26:56,088 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 05:26:56,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:26:56,121 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 05:26:56,122 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 05:26:57,014 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-25 05:26:57,018 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (152)] Ended with exit code 0 [2024-11-25 05:26:57,022 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:26:57,023 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-11-25 05:26:57,023 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-11-25 05:26:57,023 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-25 05:26:57,023 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:26:57,023 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 05:26:57,023 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 05:26:57,024 INFO L229 MonitoredProcess]: Starting monitored process 153 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 05:26:57,025 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (153)] Waiting until timeout for monitored process [2024-11-25 05:26:57,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:26:57,543 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 05:26:57,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:26:57,573 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 05:26:57,574 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 05:26:58,644 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-25 05:26:58,648 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (153)] Forceful destruction successful, exit code 0 [2024-11-25 05:26:58,654 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:26:58,655 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-11-25 05:26:58,655 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-11-25 05:26:58,655 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-25 05:26:58,655 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:26:58,655 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 05:26:58,655 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 05:26:58,658 INFO L229 MonitoredProcess]: Starting monitored process 154 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 05:26:58,661 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (154)] Waiting until timeout for monitored process [2024-11-25 05:26:59,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:26:59,367 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 05:26:59,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:26:59,398 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-25 05:26:59,399 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 05:27:00,358 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-25 05:27:00,362 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (154)] Ended with exit code 0 [2024-11-25 05:27:00,367 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:27:00,367 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-11-25 05:27:00,367 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-11-25 05:27:00,367 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-25 05:27:00,367 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:27:00,367 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 05:27:00,367 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 05:27:00,369 INFO L229 MonitoredProcess]: Starting monitored process 155 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 05:27:00,370 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (155)] Waiting until timeout for monitored process [2024-11-25 05:27:00,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:27:00,935 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 05:27:00,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:27:00,967 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 05:27:00,968 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 05:27:01,887 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-25 05:27:01,891 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (155)] Ended with exit code 0 [2024-11-25 05:27:01,896 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:27:01,896 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-11-25 05:27:01,897 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-11-25 05:27:01,897 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-25 05:27:01,897 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:27:01,897 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 05:27:01,897 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 05:27:01,899 INFO L229 MonitoredProcess]: Starting monitored process 156 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 05:27:01,900 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (156)] Waiting until timeout for monitored process [2024-11-25 05:27:02,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:27:02,497 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 05:27:02,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:27:02,529 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 05:27:02,529 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 05:27:03,482 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-25 05:27:03,486 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (156)] Ended with exit code 0 [2024-11-25 05:27:03,491 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:27:03,492 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-11-25 05:27:03,492 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-11-25 05:27:03,492 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-25 05:27:03,492 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:27:03,492 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 05:27:03,492 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 05:27:03,494 INFO L229 MonitoredProcess]: Starting monitored process 157 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 05:27:03,496 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (157)] Waiting until timeout for monitored process [2024-11-25 05:27:04,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:27:04,103 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 05:27:04,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:27:04,134 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 05:27:04,135 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 05:27:05,349 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-25 05:27:05,353 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (157)] Forceful destruction successful, exit code 0 [2024-11-25 05:27:05,357 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:27:05,358 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-11-25 05:27:05,358 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-11-25 05:27:05,358 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-25 05:27:05,358 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:27:05,358 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 05:27:05,358 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 05:27:05,360 INFO L229 MonitoredProcess]: Starting monitored process 158 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 05:27:05,362 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (158)] Waiting until timeout for monitored process [2024-11-25 05:27:06,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:27:06,036 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 05:27:06,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:27:06,078 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-25 05:27:06,079 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 05:27:07,062 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-25 05:27:07,066 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (158)] Ended with exit code 0 [2024-11-25 05:27:07,073 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:27:07,073 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-11-25 05:27:07,073 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-11-25 05:27:07,073 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-25 05:27:07,073 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:27:07,074 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 05:27:07,074 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 05:27:07,075 INFO L229 MonitoredProcess]: Starting monitored process 159 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 05:27:07,076 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (159)] Waiting until timeout for monitored process [2024-11-25 05:27:07,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:27:07,644 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 05:27:07,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:27:07,673 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 05:27:07,673 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 05:27:08,660 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-25 05:27:08,664 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (159)] Ended with exit code 0 [2024-11-25 05:27:08,670 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:27:08,670 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-11-25 05:27:08,670 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-11-25 05:27:08,670 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-25 05:27:08,670 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:27:08,670 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 05:27:08,670 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 05:27:08,672 INFO L229 MonitoredProcess]: Starting monitored process 160 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 05:27:08,673 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (160)] Waiting until timeout for monitored process [2024-11-25 05:27:09,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:27:09,255 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 05:27:09,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:27:09,300 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 05:27:09,301 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 05:27:10,175 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-25 05:27:10,179 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (160)] Ended with exit code 0 [2024-11-25 05:27:10,184 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:27:10,184 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-11-25 05:27:10,184 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-11-25 05:27:10,184 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-25 05:27:10,184 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:27:10,185 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 05:27:10,185 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 05:27:10,186 INFO L229 MonitoredProcess]: Starting monitored process 161 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 05:27:10,187 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (161)] Waiting until timeout for monitored process [2024-11-25 05:27:10,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:27:10,749 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 05:27:10,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:27:10,782 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 05:27:10,783 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 05:27:11,802 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-25 05:27:11,806 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (161)] Ended with exit code 0 [2024-11-25 05:27:11,810 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:27:11,810 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-11-25 05:27:11,810 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-11-25 05:27:11,811 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-25 05:27:11,811 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:27:11,811 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 05:27:11,811 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 05:27:11,813 INFO L229 MonitoredProcess]: Starting monitored process 162 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 05:27:11,814 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (162)] Waiting until timeout for monitored process [2024-11-25 05:27:12,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:27:12,374 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 05:27:12,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:27:12,404 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 05:27:12,405 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 05:27:13,509 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-25 05:27:13,513 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (162)] Ended with exit code 0 [2024-11-25 05:27:13,518 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:27:13,518 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-11-25 05:27:13,518 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-11-25 05:27:13,518 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-25 05:27:13,518 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:27:13,518 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 05:27:13,519 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 05:27:13,520 INFO L229 MonitoredProcess]: Starting monitored process 163 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 05:27:13,522 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (163)] Waiting until timeout for monitored process [2024-11-25 05:27:14,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:27:14,092 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 05:27:14,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:27:14,127 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 05:27:14,128 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 05:27:14,997 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-25 05:27:15,000 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (163)] Ended with exit code 0 [2024-11-25 05:27:15,004 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:27:15,005 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-11-25 05:27:15,005 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-11-25 05:27:15,005 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-25 05:27:15,005 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:27:15,005 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 05:27:15,005 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 05:27:15,007 INFO L229 MonitoredProcess]: Starting monitored process 164 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 05:27:15,008 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (164)] Waiting until timeout for monitored process [2024-11-25 05:27:15,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:27:15,751 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 05:27:15,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:27:15,797 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-25 05:27:15,799 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 05:27:16,843 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-25 05:27:16,847 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (164)] Forceful destruction successful, exit code 0 [2024-11-25 05:27:16,856 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:27:16,857 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-11-25 05:27:16,857 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-11-25 05:27:16,857 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-25 05:27:16,857 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:27:16,857 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 05:27:16,857 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 05:27:16,859 INFO L229 MonitoredProcess]: Starting monitored process 165 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 05:27:16,861 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (165)] Waiting until timeout for monitored process [2024-11-25 05:27:17,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:27:17,535 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 05:27:17,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:27:17,592 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-25 05:27:17,593 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 05:27:18,694 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-25 05:27:18,697 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (165)] Forceful destruction successful, exit code 0 [2024-11-25 05:27:18,706 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:27:18,706 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-11-25 05:27:18,706 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-11-25 05:27:18,706 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-25 05:27:18,706 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:27:18,706 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 05:27:18,706 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 05:27:18,708 INFO L229 MonitoredProcess]: Starting monitored process 166 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 05:27:18,709 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (166)] Waiting until timeout for monitored process [2024-11-25 05:27:19,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:27:19,312 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 05:27:19,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:27:19,363 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 05:27:19,364 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 05:27:20,313 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-25 05:27:20,317 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (166)] Ended with exit code 0 [2024-11-25 05:27:20,321 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:27:20,322 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-11-25 05:27:20,322 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-11-25 05:27:20,322 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-25 05:27:20,322 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:27:20,322 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 05:27:20,322 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 05:27:20,324 INFO L229 MonitoredProcess]: Starting monitored process 167 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 05:27:20,326 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (167)] Waiting until timeout for monitored process [2024-11-25 05:27:20,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:27:20,916 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 05:27:20,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:27:20,945 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 05:27:20,946 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 05:27:21,857 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-25 05:27:21,861 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (167)] Ended with exit code 0 [2024-11-25 05:27:21,865 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:27:21,865 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-11-25 05:27:21,865 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-11-25 05:27:21,866 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-25 05:27:21,866 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:27:21,866 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 05:27:21,866 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 05:27:21,870 INFO L229 MonitoredProcess]: Starting monitored process 168 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 05:27:21,872 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (168)] Waiting until timeout for monitored process [2024-11-25 05:27:22,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:27:22,522 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 05:27:22,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:27:22,553 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 05:27:22,554 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 05:27:23,416 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-25 05:27:23,419 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (168)] Ended with exit code 0 [2024-11-25 05:27:23,424 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:27:23,424 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-11-25 05:27:23,424 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-11-25 05:27:23,424 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-25 05:27:23,424 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:27:23,424 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 05:27:23,425 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 05:27:23,426 INFO L229 MonitoredProcess]: Starting monitored process 169 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 05:27:23,427 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (169)] Waiting until timeout for monitored process [2024-11-25 05:27:23,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:27:23,983 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 05:27:24,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:27:24,014 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-25 05:27:24,014 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 05:27:25,229 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-25 05:27:25,233 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (169)] Ended with exit code 0 [2024-11-25 05:27:25,240 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:27:25,240 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-11-25 05:27:25,240 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-11-25 05:27:25,241 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-25 05:27:25,241 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:27:25,241 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 05:27:25,241 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 05:27:25,243 INFO L229 MonitoredProcess]: Starting monitored process 170 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 05:27:25,244 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (170)] Waiting until timeout for monitored process [2024-11-25 05:27:25,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:27:25,910 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 05:27:25,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:27:25,946 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-25 05:27:25,947 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 05:27:27,154 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-25 05:27:27,158 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (170)] Forceful destruction successful, exit code 0 [2024-11-25 05:27:27,165 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:27:27,165 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-11-25 05:27:27,165 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-11-25 05:27:27,165 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-25 05:27:27,166 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:27:27,166 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 05:27:27,166 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 05:27:27,167 INFO L229 MonitoredProcess]: Starting monitored process 171 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 05:27:27,170 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (171)] Waiting until timeout for monitored process [2024-11-25 05:27:27,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:27:27,765 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 05:27:27,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:27:27,795 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 05:27:27,796 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 05:27:28,819 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-25 05:27:28,822 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (171)] Ended with exit code 0 [2024-11-25 05:27:28,827 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:27:28,827 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-11-25 05:27:28,827 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-11-25 05:27:28,828 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-25 05:27:28,828 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:27:28,828 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 05:27:28,828 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 05:27:28,829 INFO L229 MonitoredProcess]: Starting monitored process 172 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 05:27:28,830 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (172)] Waiting until timeout for monitored process [2024-11-25 05:27:29,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:27:29,457 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 05:27:29,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:27:29,486 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-25 05:27:29,487 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 05:27:30,445 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-25 05:27:30,451 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (172)] Ended with exit code 0 [2024-11-25 05:27:30,463 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:27:30,464 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-11-25 05:27:30,464 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-11-25 05:27:30,464 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-25 05:27:30,464 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:27:30,464 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 05:27:30,464 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 05:27:30,466 INFO L229 MonitoredProcess]: Starting monitored process 173 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 05:27:30,467 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (173)] Waiting until timeout for monitored process [2024-11-25 05:27:31,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:27:31,071 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 05:27:31,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:27:31,102 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 05:27:31,103 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 05:27:32,136 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-25 05:27:32,140 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (173)] Ended with exit code 0 [2024-11-25 05:27:32,145 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:27:32,145 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-11-25 05:27:32,145 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-11-25 05:27:32,146 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-25 05:27:32,146 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:27:32,146 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 05:27:32,146 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 05:27:32,148 INFO L229 MonitoredProcess]: Starting monitored process 174 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 05:27:32,150 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (174)] Waiting until timeout for monitored process [2024-11-25 05:27:32,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:27:32,754 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 05:27:32,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:27:32,784 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 05:27:32,785 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 05:27:33,868 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-25 05:27:33,872 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (174)] Ended with exit code 0 [2024-11-25 05:27:33,876 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:27:33,876 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-11-25 05:27:33,877 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-11-25 05:27:33,877 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-25 05:27:33,877 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:27:33,877 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 05:27:33,877 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 05:27:33,878 INFO L229 MonitoredProcess]: Starting monitored process 175 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 05:27:33,880 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (175)] Waiting until timeout for monitored process [2024-11-25 05:27:34,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:27:34,471 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 05:27:34,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:27:34,506 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 05:27:34,507 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 05:27:35,407 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-25 05:27:35,410 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (175)] Ended with exit code 0 [2024-11-25 05:27:35,415 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:27:35,415 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-11-25 05:27:35,415 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-11-25 05:27:35,415 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-25 05:27:35,415 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:27:35,416 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 05:27:35,416 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 05:27:35,417 INFO L229 MonitoredProcess]: Starting monitored process 176 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 05:27:35,418 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (176)] Waiting until timeout for monitored process [2024-11-25 05:27:36,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:27:36,073 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 05:27:36,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:27:36,104 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 05:27:36,105 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 05:27:37,111 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-25 05:27:37,115 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (176)] Ended with exit code 0 [2024-11-25 05:27:37,119 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:27:37,119 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-11-25 05:27:37,119 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-11-25 05:27:37,120 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-25 05:27:37,120 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:27:37,120 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 05:27:37,120 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 05:27:37,122 INFO L229 MonitoredProcess]: Starting monitored process 177 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 05:27:37,123 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (177)] Waiting until timeout for monitored process [2024-11-25 05:27:37,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:27:37,699 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 05:27:37,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:27:37,730 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 05:27:37,730 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 05:27:38,993 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-25 05:27:38,997 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (177)] Ended with exit code 0 [2024-11-25 05:27:39,001 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:27:39,002 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-11-25 05:27:39,002 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-11-25 05:27:39,002 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-25 05:27:39,002 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:27:39,002 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 05:27:39,002 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 05:27:39,003 INFO L229 MonitoredProcess]: Starting monitored process 178 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 05:27:39,005 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (178)] Waiting until timeout for monitored process [2024-11-25 05:27:39,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:27:39,613 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 05:27:39,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:27:39,645 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 05:27:39,646 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 05:27:40,676 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-25 05:27:40,681 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (178)] Ended with exit code 0 [2024-11-25 05:27:40,686 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:27:40,686 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-11-25 05:27:40,686 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-11-25 05:27:40,687 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-25 05:27:40,687 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:27:40,687 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 05:27:40,687 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 05:27:40,689 INFO L229 MonitoredProcess]: Starting monitored process 179 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 05:27:40,690 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (179)] Waiting until timeout for monitored process [2024-11-25 05:27:41,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:27:41,323 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 05:27:41,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:27:41,360 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-25 05:27:41,361 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 05:27:42,458 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-25 05:27:42,463 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (179)] Ended with exit code 0 [2024-11-25 05:27:42,468 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:27:42,469 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-11-25 05:27:42,469 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-11-25 05:27:42,469 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-25 05:27:42,469 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:27:42,469 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 05:27:42,469 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 05:27:42,471 INFO L229 MonitoredProcess]: Starting monitored process 180 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 05:27:42,472 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (180)] Waiting until timeout for monitored process [2024-11-25 05:27:43,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:27:43,076 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 05:27:43,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:27:43,119 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 05:27:43,120 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 05:27:44,241 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-25 05:27:44,244 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (180)] Ended with exit code 0 [2024-11-25 05:27:44,249 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:27:44,249 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-11-25 05:27:44,249 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-11-25 05:27:44,249 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-25 05:27:44,249 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:27:44,249 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 05:27:44,249 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 05:27:44,252 INFO L229 MonitoredProcess]: Starting monitored process 181 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 05:27:44,254 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (181)] Waiting until timeout for monitored process [2024-11-25 05:27:44,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:27:44,843 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 05:27:44,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:27:44,874 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 05:27:44,875 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 05:27:45,890 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-25 05:27:45,894 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (181)] Forceful destruction successful, exit code 0 [2024-11-25 05:27:45,898 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:27:45,899 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-11-25 05:27:45,899 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-11-25 05:27:45,899 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-25 05:27:45,899 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:27:45,899 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 05:27:45,899 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 05:27:45,900 INFO L229 MonitoredProcess]: Starting monitored process 182 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 05:27:45,902 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (182)] Waiting until timeout for monitored process [2024-11-25 05:27:46,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:27:46,459 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 05:27:46,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:27:46,487 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 05:27:46,488 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 05:27:47,180 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-25 05:27:47,184 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (182)] Ended with exit code 0 [2024-11-25 05:27:47,188 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:27:47,188 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-11-25 05:27:47,188 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-11-25 05:27:47,189 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-25 05:27:47,189 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:27:47,189 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 05:27:47,189 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 05:27:47,190 INFO L229 MonitoredProcess]: Starting monitored process 183 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 05:27:47,192 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (183)] Waiting until timeout for monitored process [2024-11-25 05:27:47,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:27:47,708 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 05:27:47,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:27:47,740 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-25 05:27:47,740 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 05:27:48,676 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-25 05:27:48,680 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (183)] Ended with exit code 0 [2024-11-25 05:27:48,684 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:27:48,684 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-11-25 05:27:48,684 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-11-25 05:27:48,685 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-25 05:27:48,685 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:27:48,685 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 05:27:48,685 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 05:27:48,686 INFO L229 MonitoredProcess]: Starting monitored process 184 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 05:27:48,688 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (184)] Waiting until timeout for monitored process [2024-11-25 05:27:49,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:27:49,268 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 05:27:49,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:27:49,301 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 05:27:49,301 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 05:27:50,304 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-25 05:27:50,308 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (184)] Forceful destruction successful, exit code 0 [2024-11-25 05:27:50,313 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:27:50,313 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-11-25 05:27:50,313 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-11-25 05:27:50,313 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-25 05:27:50,313 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:27:50,313 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 05:27:50,314 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 05:27:50,315 INFO L229 MonitoredProcess]: Starting monitored process 185 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 05:27:50,317 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (185)] Waiting until timeout for monitored process [2024-11-25 05:27:50,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:27:50,885 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 05:27:50,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:27:50,915 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 05:27:50,916 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 05:27:51,852 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-25 05:27:51,855 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (185)] Ended with exit code 0 [2024-11-25 05:27:51,859 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:27:51,860 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-11-25 05:27:51,860 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-11-25 05:27:51,860 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-25 05:27:51,860 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:27:51,860 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 05:27:51,860 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 05:27:51,861 INFO L229 MonitoredProcess]: Starting monitored process 186 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 05:27:51,862 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (186)] Waiting until timeout for monitored process [2024-11-25 05:27:52,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:27:52,439 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 05:27:52,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:27:52,469 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-25 05:27:52,470 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 05:27:53,475 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-25 05:27:53,479 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (186)] Ended with exit code 0 [2024-11-25 05:27:53,483 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:27:53,484 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-11-25 05:27:53,484 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-11-25 05:27:53,484 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-25 05:27:53,484 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:27:53,484 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 05:27:53,484 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 05:27:53,486 INFO L229 MonitoredProcess]: Starting monitored process 187 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 05:27:53,487 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (187)] Waiting until timeout for monitored process [2024-11-25 05:27:54,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:27:54,079 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 05:27:54,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:27:54,110 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 05:27:54,110 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 05:27:55,085 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-25 05:27:55,089 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (187)] Ended with exit code 0 [2024-11-25 05:27:55,093 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:27:55,093 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-11-25 05:27:55,094 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-11-25 05:27:55,094 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-25 05:27:55,094 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:27:55,094 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 05:27:55,094 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 05:27:55,095 INFO L229 MonitoredProcess]: Starting monitored process 188 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 05:27:55,097 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (188)] Waiting until timeout for monitored process [2024-11-25 05:27:55,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:27:55,833 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 05:27:55,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:27:55,868 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-25 05:27:55,869 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 05:27:57,055 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-25 05:27:57,059 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (188)] Forceful destruction successful, exit code 0 [2024-11-25 05:27:57,068 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:27:57,068 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-11-25 05:27:57,068 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-11-25 05:27:57,068 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-25 05:27:57,068 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:27:57,068 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 05:27:57,069 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 05:27:57,070 INFO L229 MonitoredProcess]: Starting monitored process 189 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 05:27:57,071 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (189)] Waiting until timeout for monitored process [2024-11-25 05:27:57,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:27:57,663 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 05:27:57,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:27:57,696 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 05:27:57,697 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 05:27:58,691 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-25 05:27:58,695 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (189)] Ended with exit code 0 [2024-11-25 05:27:58,700 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:27:58,700 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-11-25 05:27:58,700 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-11-25 05:27:58,700 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-25 05:27:58,700 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:27:58,700 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 05:27:58,700 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 05:27:58,702 INFO L229 MonitoredProcess]: Starting monitored process 190 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 05:27:58,703 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (190)] Waiting until timeout for monitored process [2024-11-25 05:27:59,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:27:59,349 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 05:27:59,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:27:59,380 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-25 05:27:59,381 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 05:28:00,432 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-25 05:28:00,436 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (190)] Ended with exit code 0 [2024-11-25 05:28:00,444 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:28:00,445 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-11-25 05:28:00,445 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-11-25 05:28:00,445 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-25 05:28:00,445 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:28:00,445 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 05:28:00,445 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 05:28:00,447 INFO L229 MonitoredProcess]: Starting monitored process 191 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 05:28:00,448 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (191)] Waiting until timeout for monitored process [2024-11-25 05:28:01,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:28:01,069 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 05:28:01,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:28:01,105 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 05:28:01,106 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 05:28:02,291 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-25 05:28:02,294 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (191)] Ended with exit code 0 [2024-11-25 05:28:02,298 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:28:02,299 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-11-25 05:28:02,299 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-11-25 05:28:02,299 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-25 05:28:02,299 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:28:02,299 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 05:28:02,299 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 05:28:02,301 INFO L229 MonitoredProcess]: Starting monitored process 192 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 05:28:02,305 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (192)] Waiting until timeout for monitored process [2024-11-25 05:28:03,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:28:03,033 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 05:28:03,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:28:03,078 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 05:28:03,078 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 05:28:04,259 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-25 05:28:04,262 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (192)] Ended with exit code 0 [2024-11-25 05:28:04,269 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:28:04,269 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-11-25 05:28:04,269 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-11-25 05:28:04,270 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-25 05:28:04,270 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:28:04,270 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 05:28:04,270 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 05:28:04,272 INFO L229 MonitoredProcess]: Starting monitored process 193 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 05:28:04,274 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (193)] Waiting until timeout for monitored process [2024-11-25 05:28:04,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:28:04,978 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 05:28:05,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:28:05,015 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-25 05:28:05,016 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 05:28:07,749 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-25 05:28:07,754 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (193)] Ended with exit code 0 [2024-11-25 05:28:07,907 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:28:07,907 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-11-25 05:28:07,907 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-11-25 05:28:07,908 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-25 05:28:07,908 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:28:07,908 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 05:28:07,908 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 05:28:07,910 INFO L229 MonitoredProcess]: Starting monitored process 194 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 05:28:07,912 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (194)] Waiting until timeout for monitored process [2024-11-25 05:28:08,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:28:08,578 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 05:28:08,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:28:08,622 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 05:28:08,623 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 05:28:09,605 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-25 05:28:09,609 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (194)] Ended with exit code 0 [2024-11-25 05:28:09,613 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:28:09,614 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-11-25 05:28:09,614 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-11-25 05:28:09,614 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-25 05:28:09,614 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:28:09,614 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 05:28:09,614 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 05:28:09,616 INFO L229 MonitoredProcess]: Starting monitored process 195 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 05:28:09,617 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (195)] Waiting until timeout for monitored process [2024-11-25 05:28:10,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:28:10,386 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 05:28:10,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:28:10,421 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 05:28:10,422 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 05:28:11,398 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-25 05:28:11,402 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (195)] Ended with exit code 0 [2024-11-25 05:28:11,406 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:28:11,406 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-11-25 05:28:11,406 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-11-25 05:28:11,406 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-25 05:28:11,406 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:28:11,406 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 05:28:11,407 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 05:28:11,408 INFO L229 MonitoredProcess]: Starting monitored process 196 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 05:28:11,410 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (196)] Waiting until timeout for monitored process [2024-11-25 05:28:12,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:28:12,078 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 05:28:12,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:28:12,116 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-25 05:28:12,117 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 05:28:14,328 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-25 05:28:14,332 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (196)] Ended with exit code 0 [2024-11-25 05:28:14,819 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:28:14,819 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-11-25 05:28:14,819 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-11-25 05:28:14,819 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-25 05:28:14,819 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:28:14,819 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 05:28:14,819 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 05:28:14,822 INFO L229 MonitoredProcess]: Starting monitored process 197 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 05:28:14,826 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (197)] Waiting until timeout for monitored process [2024-11-25 05:28:15,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:28:15,430 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 05:28:15,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:28:15,461 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 05:28:15,462 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 05:28:16,549 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-25 05:28:16,554 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (197)] Ended with exit code 0 [2024-11-25 05:28:16,558 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:28:16,558 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-11-25 05:28:16,558 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-11-25 05:28:16,558 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-25 05:28:16,558 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:28:16,558 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 05:28:16,559 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 05:28:16,560 INFO L229 MonitoredProcess]: Starting monitored process 198 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 05:28:16,562 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (198)] Waiting until timeout for monitored process [2024-11-25 05:28:17,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:28:17,159 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 05:28:17,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:28:17,188 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 05:28:17,189 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 05:28:17,961 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-25 05:28:17,964 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (198)] Ended with exit code 0 [2024-11-25 05:28:17,968 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:28:17,969 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-11-25 05:28:17,969 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-11-25 05:28:17,969 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-25 05:28:17,969 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:28:17,969 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 05:28:17,969 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 05:28:17,970 INFO L229 MonitoredProcess]: Starting monitored process 199 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 05:28:17,971 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (199)] Waiting until timeout for monitored process [2024-11-25 05:28:18,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:28:18,505 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 05:28:18,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:28:18,540 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 05:28:18,541 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 05:28:19,503 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-25 05:28:19,506 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (199)] Forceful destruction successful, exit code 0 [2024-11-25 05:28:19,511 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:28:19,511 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-11-25 05:28:19,511 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-11-25 05:28:19,511 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-25 05:28:19,511 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:28:19,511 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 05:28:19,512 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 05:28:19,513 INFO L229 MonitoredProcess]: Starting monitored process 200 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 05:28:19,514 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (200)] Waiting until timeout for monitored process [2024-11-25 05:28:20,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:28:20,140 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 05:28:20,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:28:20,179 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 05:28:20,180 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 05:28:21,343 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-25 05:28:21,347 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (200)] Ended with exit code 0 [2024-11-25 05:28:21,352 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:28:21,352 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-11-25 05:28:21,352 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-11-25 05:28:21,353 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-25 05:28:21,353 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:28:21,353 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 05:28:21,353 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 05:28:21,356 INFO L229 MonitoredProcess]: Starting monitored process 201 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 05:28:21,357 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (201)] Waiting until timeout for monitored process [2024-11-25 05:28:22,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:28:22,029 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 05:28:22,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:28:22,096 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 05:28:22,097 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 05:28:23,124 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-25 05:28:23,128 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (201)] Ended with exit code 0 [2024-11-25 05:28:23,133 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:28:23,133 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-11-25 05:28:23,133 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-11-25 05:28:23,133 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-25 05:28:23,133 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:28:23,133 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 05:28:23,133 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 05:28:23,135 INFO L229 MonitoredProcess]: Starting monitored process 202 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 05:28:23,136 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (202)] Waiting until timeout for monitored process [2024-11-25 05:28:23,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:28:23,738 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 05:28:23,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:28:23,772 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 05:28:23,772 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 05:28:24,949 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-25 05:28:24,953 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (202)] Forceful destruction successful, exit code 0 [2024-11-25 05:28:24,958 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:28:24,958 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-11-25 05:28:24,958 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-11-25 05:28:24,959 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-25 05:28:24,959 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:28:24,959 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 05:28:24,959 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 05:28:24,961 INFO L229 MonitoredProcess]: Starting monitored process 203 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 05:28:24,962 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (203)] Waiting until timeout for monitored process [2024-11-25 05:28:25,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:28:25,750 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 05:28:25,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:28:25,788 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 05:28:25,788 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 05:28:26,871 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-25 05:28:26,875 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (203)] Ended with exit code 0 [2024-11-25 05:28:26,881 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:28:26,881 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-11-25 05:28:26,881 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-11-25 05:28:26,881 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-25 05:28:26,882 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:28:26,882 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 05:28:26,882 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 05:28:26,883 INFO L229 MonitoredProcess]: Starting monitored process 204 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 05:28:26,885 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (204)] Waiting until timeout for monitored process [2024-11-25 05:28:27,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:28:27,589 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 05:28:27,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:28:27,634 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 05:28:27,635 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 05:28:28,861 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-25 05:28:28,865 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (204)] Ended with exit code 0 [2024-11-25 05:28:28,870 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:28:28,870 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-11-25 05:28:28,870 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-11-25 05:28:28,870 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-25 05:28:28,870 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:28:28,870 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 05:28:28,870 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 05:28:28,872 INFO L229 MonitoredProcess]: Starting monitored process 205 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 05:28:28,874 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (205)] Waiting until timeout for monitored process [2024-11-25 05:28:29,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:28:29,552 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 05:28:29,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:28:29,608 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-25 05:28:29,609 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 05:28:30,889 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-25 05:28:30,892 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (205)] Ended with exit code 0 [2024-11-25 05:28:30,900 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:28:30,900 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-11-25 05:28:30,900 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-11-25 05:28:30,900 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-25 05:28:30,900 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:28:30,900 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 05:28:30,900 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 05:28:30,902 INFO L229 MonitoredProcess]: Starting monitored process 206 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 05:28:30,903 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (206)] Waiting until timeout for monitored process [2024-11-25 05:28:31,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:28:31,505 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 05:28:31,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:28:31,538 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 05:28:31,538 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 05:28:32,504 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-25 05:28:32,509 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (206)] Ended with exit code 0 [2024-11-25 05:28:32,516 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:28:32,516 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-11-25 05:28:32,516 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-11-25 05:28:32,516 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-25 05:28:32,516 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:28:32,516 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 05:28:32,516 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 05:28:32,521 INFO L229 MonitoredProcess]: Starting monitored process 207 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 05:28:32,522 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (207)] Waiting until timeout for monitored process [2024-11-25 05:28:33,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:28:33,087 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 05:28:33,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:28:33,126 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 05:28:33,127 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 05:28:34,084 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-25 05:28:34,087 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (207)] Ended with exit code 0 [2024-11-25 05:28:34,092 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:28:34,092 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-11-25 05:28:34,092 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-11-25 05:28:34,092 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-25 05:28:34,092 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:28:34,092 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 05:28:34,092 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 05:28:34,094 INFO L229 MonitoredProcess]: Starting monitored process 208 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 05:28:34,095 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (208)] Waiting until timeout for monitored process [2024-11-25 05:28:34,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:28:34,651 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 05:28:34,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:28:34,682 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 05:28:34,682 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 05:28:35,643 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-25 05:28:35,646 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (208)] Ended with exit code 0 [2024-11-25 05:28:35,653 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:28:35,653 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-11-25 05:28:35,653 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-11-25 05:28:35,653 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-25 05:28:35,653 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:28:35,654 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 05:28:35,654 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 05:28:35,657 INFO L229 MonitoredProcess]: Starting monitored process 209 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 05:28:35,658 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (209)] Waiting until timeout for monitored process [2024-11-25 05:28:36,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:28:36,229 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 05:28:36,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:28:36,295 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 05:28:36,296 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 05:28:37,198 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-25 05:28:37,201 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (209)] Ended with exit code 0 [2024-11-25 05:28:37,205 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:28:37,205 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-11-25 05:28:37,206 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-11-25 05:28:37,206 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-25 05:28:37,206 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:28:37,206 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 05:28:37,206 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 05:28:37,207 INFO L229 MonitoredProcess]: Starting monitored process 210 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 05:28:37,214 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (210)] Waiting until timeout for monitored process [2024-11-25 05:28:37,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:28:37,754 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 05:28:37,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:28:37,784 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 05:28:37,785 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 05:28:38,671 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-25 05:28:38,674 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (210)] Ended with exit code 0 [2024-11-25 05:28:38,679 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:28:38,679 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-11-25 05:28:38,679 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-11-25 05:28:38,679 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-25 05:28:38,679 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:28:38,679 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 05:28:38,679 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 05:28:38,681 INFO L229 MonitoredProcess]: Starting monitored process 211 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 05:28:38,683 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (211)] Waiting until timeout for monitored process [2024-11-25 05:28:39,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:28:39,232 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 05:28:39,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:28:39,266 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 05:28:39,267 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 05:28:40,542 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-25 05:28:40,546 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (211)] Ended with exit code 0 [2024-11-25 05:28:40,550 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:28:40,550 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-11-25 05:28:40,550 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-11-25 05:28:40,550 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-25 05:28:40,550 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:28:40,551 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 05:28:40,551 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 05:28:40,552 INFO L229 MonitoredProcess]: Starting monitored process 212 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 05:28:40,553 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (212)] Waiting until timeout for monitored process [2024-11-25 05:28:41,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:28:41,286 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 05:28:41,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:28:41,318 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 05:28:41,319 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 05:28:42,274 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-25 05:28:42,278 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (212)] Ended with exit code 0 [2024-11-25 05:28:42,282 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:28:42,282 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-11-25 05:28:42,282 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-11-25 05:28:42,283 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-25 05:28:42,283 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:28:42,283 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 05:28:42,283 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 05:28:42,284 INFO L229 MonitoredProcess]: Starting monitored process 213 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 05:28:42,286 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (213)] Waiting until timeout for monitored process [2024-11-25 05:28:42,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:28:42,911 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 05:28:42,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:28:42,954 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-25 05:28:42,955 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 05:28:44,496 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-25 05:28:44,499 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (213)] Ended with exit code 0 [2024-11-25 05:28:44,506 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:28:44,506 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-11-25 05:28:44,506 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-11-25 05:28:44,506 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-25 05:28:44,506 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:28:44,506 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 05:28:44,506 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 05:28:44,508 INFO L229 MonitoredProcess]: Starting monitored process 214 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 05:28:44,509 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (214)] Waiting until timeout for monitored process [2024-11-25 05:28:45,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:28:45,175 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 05:28:45,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:28:45,217 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 05:28:45,218 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 05:28:46,483 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-25 05:28:46,487 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (214)] Ended with exit code 0 [2024-11-25 05:28:46,492 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:28:46,492 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-11-25 05:28:46,492 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-11-25 05:28:46,493 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-25 05:28:46,493 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:28:46,493 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 05:28:46,493 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 05:28:46,494 INFO L229 MonitoredProcess]: Starting monitored process 215 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 05:28:46,495 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (215)] Waiting until timeout for monitored process [2024-11-25 05:28:47,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:28:47,196 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 05:28:47,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:28:47,231 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 05:28:47,232 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 05:28:48,229 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-25 05:28:48,234 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (215)] Ended with exit code 0 [2024-11-25 05:28:48,239 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:28:48,239 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-11-25 05:28:48,239 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-11-25 05:28:48,239 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-25 05:28:48,239 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:28:48,239 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 05:28:48,239 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 05:28:48,241 INFO L229 MonitoredProcess]: Starting monitored process 216 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 05:28:48,242 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (216)] Waiting until timeout for monitored process [2024-11-25 05:28:48,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:28:48,945 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 05:28:48,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:28:48,978 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 05:28:48,979 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 05:28:49,881 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-25 05:28:49,885 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (216)] Ended with exit code 0 [2024-11-25 05:28:49,890 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:28:49,890 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-11-25 05:28:49,890 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-11-25 05:28:49,890 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-25 05:28:49,890 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:28:49,890 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 05:28:49,891 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 05:28:49,892 INFO L229 MonitoredProcess]: Starting monitored process 217 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 05:28:49,893 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (217)] Waiting until timeout for monitored process [2024-11-25 05:28:50,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:28:50,446 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 05:28:50,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:28:50,474 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 05:28:50,474 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 05:28:51,727 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-25 05:28:51,744 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (217)] Ended with exit code 0 [2024-11-25 05:28:51,751 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:28:51,751 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-11-25 05:28:51,751 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-11-25 05:28:51,751 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-25 05:28:51,751 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:28:51,751 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 05:28:51,752 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 05:28:51,755 INFO L229 MonitoredProcess]: Starting monitored process 218 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 05:28:51,757 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (218)] Waiting until timeout for monitored process [2024-11-25 05:28:52,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:28:52,577 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 05:28:52,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:28:52,618 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 05:28:52,619 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 05:28:53,666 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-25 05:28:53,670 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (218)] Forceful destruction successful, exit code 0 [2024-11-25 05:28:53,675 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:28:53,675 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-11-25 05:28:53,675 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-11-25 05:28:53,676 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-25 05:28:53,676 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:28:53,676 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 05:28:53,676 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 05:28:53,679 INFO L229 MonitoredProcess]: Starting monitored process 219 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 05:28:53,681 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (219)] Waiting until timeout for monitored process [2024-11-25 05:28:54,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:28:54,272 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 05:28:54,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:28:54,304 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-25 05:28:54,304 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 05:28:55,347 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-25 05:28:55,352 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (219)] Ended with exit code 0 [2024-11-25 05:28:55,357 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:28:55,357 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-11-25 05:28:55,357 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-11-25 05:28:55,357 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-25 05:28:55,358 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:28:55,358 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 05:28:55,358 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 05:28:55,359 INFO L229 MonitoredProcess]: Starting monitored process 220 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 05:28:55,360 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (220)] Waiting until timeout for monitored process [2024-11-25 05:28:56,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:28:56,093 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 05:28:56,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:28:56,123 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 05:28:56,124 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 05:28:57,121 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-25 05:28:57,125 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (220)] Ended with exit code 0 [2024-11-25 05:28:57,130 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:28:57,131 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-11-25 05:28:57,131 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-11-25 05:28:57,131 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-25 05:28:57,131 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:28:57,131 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 05:28:57,131 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 05:28:57,133 INFO L229 MonitoredProcess]: Starting monitored process 221 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 05:28:57,134 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (221)] Waiting until timeout for monitored process [2024-11-25 05:28:57,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:28:57,727 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 05:28:57,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:28:57,761 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-25 05:28:57,761 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 05:28:58,700 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-25 05:28:58,704 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (221)] Ended with exit code 0 [2024-11-25 05:28:58,709 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:28:58,709 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-11-25 05:28:58,709 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-11-25 05:28:58,709 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-25 05:28:58,709 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:28:58,709 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 05:28:58,710 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 05:28:58,711 INFO L229 MonitoredProcess]: Starting monitored process 222 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 05:28:58,712 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (222)] Waiting until timeout for monitored process [2024-11-25 05:28:59,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:28:59,374 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 05:28:59,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:28:59,406 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 05:28:59,407 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 05:29:00,460 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-25 05:29:00,464 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (222)] Ended with exit code 0 [2024-11-25 05:29:00,468 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:29:00,469 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-11-25 05:29:00,469 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-11-25 05:29:00,469 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-25 05:29:00,469 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:29:00,469 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 05:29:00,469 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 05:29:00,470 INFO L229 MonitoredProcess]: Starting monitored process 223 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 05:29:00,472 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (223)] Waiting until timeout for monitored process [2024-11-25 05:29:01,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:29:01,157 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 05:29:01,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:29:01,201 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 05:29:01,202 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 05:29:02,345 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-25 05:29:02,349 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (223)] Ended with exit code 0 [2024-11-25 05:29:02,354 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:29:02,354 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-11-25 05:29:02,354 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-11-25 05:29:02,354 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-25 05:29:02,354 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:29:02,354 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 05:29:02,354 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 05:29:02,357 INFO L229 MonitoredProcess]: Starting monitored process 224 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 05:29:02,358 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (224)] Waiting until timeout for monitored process [2024-11-25 05:29:03,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:29:03,028 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 05:29:03,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:29:03,060 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 05:29:03,061 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 05:29:04,383 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-25 05:29:04,388 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (224)] Ended with exit code 0 [2024-11-25 05:29:04,392 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:29:04,393 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-11-25 05:29:04,393 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-11-25 05:29:04,393 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-25 05:29:04,393 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:29:04,393 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 05:29:04,393 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 05:29:04,397 INFO L229 MonitoredProcess]: Starting monitored process 225 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 05:29:04,397 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (225)] Waiting until timeout for monitored process [2024-11-25 05:29:05,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:29:05,034 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 05:29:05,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:29:05,082 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-25 05:29:05,083 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 05:29:06,464 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-25 05:29:06,468 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (225)] Ended with exit code 0 [2024-11-25 05:29:06,474 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:29:06,474 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-11-25 05:29:06,474 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-11-25 05:29:06,474 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-25 05:29:06,474 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:29:06,474 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 05:29:06,474 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 05:29:06,476 INFO L229 MonitoredProcess]: Starting monitored process 226 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 05:29:06,477 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (226)] Waiting until timeout for monitored process [2024-11-25 05:29:07,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:29:07,151 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 05:29:07,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:29:07,182 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 05:29:07,183 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 05:29:08,093 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-25 05:29:08,098 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (226)] Ended with exit code 0 [2024-11-25 05:29:08,103 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:29:08,103 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-11-25 05:29:08,104 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-11-25 05:29:08,104 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-25 05:29:08,104 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:29:08,104 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 05:29:08,104 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 05:29:08,105 INFO L229 MonitoredProcess]: Starting monitored process 227 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 05:29:08,107 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (227)] Waiting until timeout for monitored process [2024-11-25 05:29:08,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:29:08,731 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 05:29:08,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:29:08,766 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 05:29:08,767 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 05:29:09,784 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-25 05:29:09,789 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (227)] Ended with exit code 0 [2024-11-25 05:29:09,793 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:29:09,794 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-11-25 05:29:09,794 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-11-25 05:29:09,794 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-25 05:29:09,794 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:29:09,794 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 05:29:09,794 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 05:29:09,795 INFO L229 MonitoredProcess]: Starting monitored process 228 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 05:29:09,797 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (228)] Waiting until timeout for monitored process [2024-11-25 05:29:10,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:29:10,489 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 05:29:10,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:29:10,524 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-25 05:29:10,525 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 05:29:11,778 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-25 05:29:11,783 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (228)] Ended with exit code 0 [2024-11-25 05:29:11,789 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:29:11,789 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-11-25 05:29:11,789 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-11-25 05:29:11,789 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-25 05:29:11,789 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:29:11,789 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 05:29:11,789 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 05:29:11,791 INFO L229 MonitoredProcess]: Starting monitored process 229 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 05:29:11,793 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (229)] Waiting until timeout for monitored process [2024-11-25 05:29:12,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:29:12,524 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 05:29:12,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:29:12,561 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 05:29:12,561 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 05:29:13,729 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-25 05:29:13,733 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (229)] Forceful destruction successful, exit code 0 [2024-11-25 05:29:13,738 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:29:13,738 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-11-25 05:29:13,738 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-11-25 05:29:13,738 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-25 05:29:13,738 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:29:13,738 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 05:29:13,738 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 05:29:13,740 INFO L229 MonitoredProcess]: Starting monitored process 230 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 05:29:13,741 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (230)] Waiting until timeout for monitored process [2024-11-25 05:29:14,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:29:14,429 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 05:29:14,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:29:14,466 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 05:29:14,466 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 05:29:15,765 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-25 05:29:15,769 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (230)] Ended with exit code 0 [2024-11-25 05:29:15,773 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:29:15,774 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-11-25 05:29:15,774 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-11-25 05:29:15,774 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-25 05:29:15,774 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:29:15,774 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 05:29:15,774 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 05:29:15,776 INFO L229 MonitoredProcess]: Starting monitored process 231 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 05:29:15,777 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (231)] Waiting until timeout for monitored process [2024-11-25 05:29:16,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:29:16,419 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 05:29:16,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:29:16,457 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-25 05:29:16,457 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 05:29:17,653 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-25 05:29:17,658 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (231)] Ended with exit code 0 [2024-11-25 05:29:17,663 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:29:17,663 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-11-25 05:29:17,663 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-11-25 05:29:17,664 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-25 05:29:17,664 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:29:17,664 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 05:29:17,664 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 05:29:17,665 INFO L229 MonitoredProcess]: Starting monitored process 232 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 05:29:17,667 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (232)] Waiting until timeout for monitored process [2024-11-25 05:29:18,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:29:18,257 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 05:29:18,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:29:18,289 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 05:29:18,289 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 05:29:19,324 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-25 05:29:19,329 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (232)] Ended with exit code 0 [2024-11-25 05:29:19,333 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:29:19,334 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-11-25 05:29:19,334 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-11-25 05:29:19,334 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-25 05:29:19,334 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:29:19,334 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 05:29:19,334 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 05:29:19,336 INFO L229 MonitoredProcess]: Starting monitored process 233 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 05:29:19,337 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (233)] Waiting until timeout for monitored process [2024-11-25 05:29:19,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:29:19,939 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 05:29:19,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:29:19,992 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 05:29:19,993 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 05:29:21,007 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-25 05:29:21,011 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (233)] Ended with exit code 0 [2024-11-25 05:29:21,016 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:29:21,016 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-11-25 05:29:21,016 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-11-25 05:29:21,016 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-25 05:29:21,017 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:29:21,017 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 05:29:21,017 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 05:29:21,019 INFO L229 MonitoredProcess]: Starting monitored process 234 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 05:29:21,022 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (234)] Waiting until timeout for monitored process [2024-11-25 05:29:21,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:29:21,620 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 05:29:21,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:29:21,653 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 05:29:21,654 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 05:29:22,576 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-25 05:29:22,580 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (234)] Ended with exit code 0 [2024-11-25 05:29:22,585 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:29:22,585 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-11-25 05:29:22,585 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-11-25 05:29:22,585 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-25 05:29:22,585 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:29:22,585 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 05:29:22,585 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 05:29:22,588 INFO L229 MonitoredProcess]: Starting monitored process 235 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 05:29:22,590 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (235)] Waiting until timeout for monitored process [2024-11-25 05:29:23,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:29:23,319 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 05:29:23,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:29:23,356 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 05:29:23,357 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 05:29:24,284 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-25 05:29:24,288 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (235)] Ended with exit code 0 [2024-11-25 05:29:24,293 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:29:24,293 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-11-25 05:29:24,293 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-11-25 05:29:24,293 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-25 05:29:24,293 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:29:24,293 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 05:29:24,293 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 05:29:24,295 INFO L229 MonitoredProcess]: Starting monitored process 236 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 05:29:24,296 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (236)] Waiting until timeout for monitored process [2024-11-25 05:29:24,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:29:24,995 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 05:29:25,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:29:25,030 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 05:29:25,031 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 05:29:26,416 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-25 05:29:26,420 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (236)] Ended with exit code 0 [2024-11-25 05:29:26,424 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:29:26,425 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-11-25 05:29:26,425 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-11-25 05:29:26,425 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-25 05:29:26,425 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:29:26,425 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 05:29:26,425 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 05:29:26,427 INFO L229 MonitoredProcess]: Starting monitored process 237 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 05:29:26,428 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (237)] Waiting until timeout for monitored process [2024-11-25 05:29:27,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:29:27,088 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 05:29:27,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:29:27,125 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-25 05:29:27,126 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 05:29:28,648 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-25 05:29:28,654 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (237)] Forceful destruction successful, exit code 0 [2024-11-25 05:29:28,662 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:29:28,662 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-11-25 05:29:28,662 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-11-25 05:29:28,662 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-25 05:29:28,662 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:29:28,662 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 05:29:28,662 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 05:29:28,667 INFO L229 MonitoredProcess]: Starting monitored process 238 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 05:29:28,669 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (238)] Waiting until timeout for monitored process [2024-11-25 05:29:29,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:29:29,255 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 05:29:29,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:29:29,292 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 05:29:29,292 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 05:29:30,298 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-25 05:29:30,302 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (238)] Ended with exit code 0 [2024-11-25 05:29:30,306 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:29:30,306 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-11-25 05:29:30,307 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-11-25 05:29:30,307 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-25 05:29:30,307 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:29:30,307 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 05:29:30,307 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 05:29:30,308 INFO L229 MonitoredProcess]: Starting monitored process 239 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 05:29:30,310 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (239)] Waiting until timeout for monitored process [2024-11-25 05:29:30,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:29:30,977 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 05:29:31,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:29:31,010 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-25 05:29:31,011 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 05:29:32,036 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-25 05:29:32,039 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (239)] Ended with exit code 0 [2024-11-25 05:29:32,047 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:29:32,048 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-11-25 05:29:32,048 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-11-25 05:29:32,048 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-25 05:29:32,048 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:29:32,048 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 05:29:32,048 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 05:29:32,050 INFO L229 MonitoredProcess]: Starting monitored process 240 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 05:29:32,051 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (240)] Waiting until timeout for monitored process [2024-11-25 05:29:32,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:29:32,643 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 05:29:32,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:29:32,675 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 05:29:32,675 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 05:29:33,755 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-25 05:29:33,759 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (240)] Ended with exit code 0 [2024-11-25 05:29:33,763 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:29:33,763 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-11-25 05:29:33,763 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-11-25 05:29:33,764 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-25 05:29:33,764 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:29:33,764 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 05:29:33,764 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 05:29:33,767 INFO L229 MonitoredProcess]: Starting monitored process 241 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 05:29:33,771 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (241)] Waiting until timeout for monitored process [2024-11-25 05:29:34,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:29:34,383 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 05:29:34,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:29:34,417 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 05:29:34,417 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 05:29:35,561 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-25 05:29:35,567 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (241)] Ended with exit code 0 [2024-11-25 05:29:35,575 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:29:35,575 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-11-25 05:29:35,575 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-11-25 05:29:35,576 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-25 05:29:35,576 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:29:35,576 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 05:29:35,576 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 05:29:35,578 INFO L229 MonitoredProcess]: Starting monitored process 242 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 05:29:35,581 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (242)] Waiting until timeout for monitored process [2024-11-25 05:29:36,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:29:36,327 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 05:29:36,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:29:36,360 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 05:29:36,361 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 05:29:37,444 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-25 05:29:37,448 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (242)] Ended with exit code 0 [2024-11-25 05:29:37,453 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:29:37,453 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-11-25 05:29:37,453 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-11-25 05:29:37,453 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-25 05:29:37,453 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:29:37,453 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 05:29:37,454 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 05:29:37,455 INFO L229 MonitoredProcess]: Starting monitored process 243 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 05:29:37,457 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (243)] Waiting until timeout for monitored process [2024-11-25 05:29:38,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:29:38,067 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 05:29:38,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:29:38,106 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 05:29:38,107 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 05:29:39,275 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-25 05:29:39,279 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (243)] Ended with exit code 0 [2024-11-25 05:29:39,283 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:29:39,284 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-11-25 05:29:39,284 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-11-25 05:29:39,284 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-25 05:29:39,284 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:29:39,284 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 05:29:39,284 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 05:29:39,286 INFO L229 MonitoredProcess]: Starting monitored process 244 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 05:29:39,288 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (244)] Waiting until timeout for monitored process [2024-11-25 05:29:40,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:29:40,027 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 05:29:40,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:29:40,064 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 05:29:40,064 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 05:29:41,170 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-25 05:29:41,174 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (244)] Forceful destruction successful, exit code 0 [2024-11-25 05:29:41,180 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:29:41,180 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-11-25 05:29:41,180 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-11-25 05:29:41,180 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-25 05:29:41,181 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:29:41,181 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 05:29:41,181 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 05:29:41,183 INFO L229 MonitoredProcess]: Starting monitored process 245 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 05:29:41,184 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (245)] Waiting until timeout for monitored process [2024-11-25 05:29:41,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:29:41,875 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 05:29:41,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:29:41,913 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 05:29:41,913 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 05:29:43,075 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-25 05:29:43,079 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (245)] Ended with exit code 0 [2024-11-25 05:29:43,084 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:29:43,085 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-11-25 05:29:43,085 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-11-25 05:29:43,085 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-25 05:29:43,085 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:29:43,085 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 05:29:43,085 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 05:29:43,087 INFO L229 MonitoredProcess]: Starting monitored process 246 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 05:29:43,089 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (246)] Waiting until timeout for monitored process [2024-11-25 05:29:43,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:29:43,782 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 05:29:43,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:29:43,819 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 05:29:43,819 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 05:29:44,970 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-25 05:29:44,977 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (246)] Ended with exit code 0 [2024-11-25 05:29:44,984 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:29:44,985 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-11-25 05:29:44,985 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-11-25 05:29:44,985 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-25 05:29:44,985 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:29:44,985 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 05:29:44,985 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 05:29:44,987 INFO L229 MonitoredProcess]: Starting monitored process 247 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 05:29:44,989 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (247)] Waiting until timeout for monitored process [2024-11-25 05:29:45,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:29:45,695 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 05:29:45,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:29:45,733 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 05:29:45,734 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 05:29:46,984 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-25 05:29:46,989 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (247)] Ended with exit code 0 [2024-11-25 05:29:46,995 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:29:46,996 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-11-25 05:29:46,996 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-11-25 05:29:46,996 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-25 05:29:46,996 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:29:46,996 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 05:29:46,996 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 05:29:46,998 INFO L229 MonitoredProcess]: Starting monitored process 248 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 05:29:46,999 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (248)] Waiting until timeout for monitored process [2024-11-25 05:29:47,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:29:47,675 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 05:29:47,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:29:47,713 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 05:29:47,713 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 05:29:48,818 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-25 05:29:48,823 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (248)] Forceful destruction successful, exit code 0 [2024-11-25 05:29:48,828 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:29:48,828 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-11-25 05:29:48,828 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-11-25 05:29:48,828 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-25 05:29:48,829 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:29:48,829 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 05:29:48,829 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 05:29:48,830 INFO L229 MonitoredProcess]: Starting monitored process 249 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 05:29:48,832 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (249)] Waiting until timeout for monitored process [2024-11-25 05:29:49,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:29:49,537 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 05:29:49,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:29:49,574 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-25 05:29:49,575 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 05:29:50,690 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-25 05:29:50,694 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (249)] Forceful destruction successful, exit code 0 [2024-11-25 05:29:50,699 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:29:50,699 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-11-25 05:29:50,700 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-11-25 05:29:50,700 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-25 05:29:50,700 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:29:50,700 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 05:29:50,700 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 05:29:50,702 INFO L229 MonitoredProcess]: Starting monitored process 250 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 05:29:50,705 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (250)] Waiting until timeout for monitored process [2024-11-25 05:29:51,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:29:51,424 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 05:29:51,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:29:51,458 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 05:29:51,459 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 05:29:52,413 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-25 05:29:52,418 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (250)] Ended with exit code 0 [2024-11-25 05:29:52,423 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:29:52,424 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-11-25 05:29:52,424 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-11-25 05:29:52,424 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-25 05:29:52,424 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:29:52,424 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 05:29:52,424 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 05:29:52,426 INFO L229 MonitoredProcess]: Starting monitored process 251 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 05:29:52,427 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (251)] Waiting until timeout for monitored process [2024-11-25 05:29:53,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:29:53,091 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 05:29:53,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:29:53,139 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 05:29:53,140 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 05:29:54,205 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-25 05:29:54,210 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (251)] Ended with exit code 0 [2024-11-25 05:29:54,215 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:29:54,215 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-11-25 05:29:54,215 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-11-25 05:29:54,216 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-25 05:29:54,216 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:29:54,216 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 05:29:54,216 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 05:29:54,218 INFO L229 MonitoredProcess]: Starting monitored process 252 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 05:29:54,219 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (252)] Waiting until timeout for monitored process [2024-11-25 05:29:54,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:29:54,857 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 05:29:54,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:29:54,892 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 05:29:54,892 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 05:29:56,058 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-25 05:29:56,062 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (252)] Forceful destruction successful, exit code 0 [2024-11-25 05:29:56,067 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:29:56,067 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-11-25 05:29:56,067 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-11-25 05:29:56,067 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-25 05:29:56,067 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:29:56,067 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 05:29:56,067 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 05:29:56,069 INFO L229 MonitoredProcess]: Starting monitored process 253 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 05:29:56,070 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (253)] Waiting until timeout for monitored process [2024-11-25 05:29:56,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:29:56,657 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 05:29:56,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:29:56,689 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 05:29:56,690 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 05:29:57,564 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-25 05:29:57,568 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (253)] Ended with exit code 0 [2024-11-25 05:29:57,573 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:29:57,573 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-11-25 05:29:57,573 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-11-25 05:29:57,573 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-25 05:29:57,573 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:29:57,573 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 05:29:57,573 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 05:29:57,575 INFO L229 MonitoredProcess]: Starting monitored process 254 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 05:29:57,577 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (254)] Waiting until timeout for monitored process [2024-11-25 05:29:58,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:29:58,182 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 05:29:58,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:29:58,220 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 05:29:58,221 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 05:29:59,261 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-25 05:29:59,265 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (254)] Ended with exit code 0 [2024-11-25 05:29:59,269 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:29:59,269 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-11-25 05:29:59,269 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-11-25 05:29:59,269 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-25 05:29:59,269 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:29:59,269 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 05:29:59,269 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 05:29:59,272 INFO L229 MonitoredProcess]: Starting monitored process 255 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 05:29:59,273 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (255)] Waiting until timeout for monitored process [2024-11-25 05:29:59,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:29:59,852 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 05:29:59,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:29:59,886 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-25 05:29:59,886 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 05:30:00,984 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-25 05:30:00,988 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (255)] Ended with exit code 0 [2024-11-25 05:30:00,994 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:30:00,994 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-11-25 05:30:00,994 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-11-25 05:30:00,994 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-25 05:30:00,994 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:30:00,995 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 05:30:00,995 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 05:30:00,997 INFO L229 MonitoredProcess]: Starting monitored process 256 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 05:30:01,000 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (256)] Waiting until timeout for monitored process [2024-11-25 05:30:01,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:30:01,582 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 05:30:01,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:30:01,617 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 05:30:01,618 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 05:30:02,699 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-25 05:30:02,703 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (256)] Ended with exit code 0 [2024-11-25 05:30:02,708 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:30:02,708 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-11-25 05:30:02,709 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-11-25 05:30:02,709 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-25 05:30:02,709 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:30:02,709 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 05:30:02,709 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 05:30:02,714 INFO L229 MonitoredProcess]: Starting monitored process 257 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 05:30:02,727 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (257)] Waiting until timeout for monitored process [2024-11-25 05:30:03,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:30:03,368 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 05:30:03,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:30:03,401 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 05:30:03,402 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 05:30:04,420 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-25 05:30:04,425 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (257)] Forceful destruction successful, exit code 0 [2024-11-25 05:30:04,430 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:30:04,431 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-11-25 05:30:04,431 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-11-25 05:30:04,431 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-25 05:30:04,431 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:30:04,431 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 05:30:04,431 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 05:30:04,434 INFO L229 MonitoredProcess]: Starting monitored process 258 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 05:30:04,436 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (258)] Waiting until timeout for monitored process [2024-11-25 05:30:05,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:30:05,038 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 05:30:05,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:30:05,071 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 05:30:05,072 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 05:30:06,098 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-25 05:30:06,103 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (258)] Forceful destruction successful, exit code 0 [2024-11-25 05:30:06,109 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:30:06,110 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-11-25 05:30:06,110 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-11-25 05:30:06,110 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-25 05:30:06,110 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:30:06,110 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 05:30:06,110 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 05:30:06,112 INFO L229 MonitoredProcess]: Starting monitored process 259 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 05:30:06,113 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (259)] Waiting until timeout for monitored process [2024-11-25 05:30:06,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:30:06,749 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 05:30:06,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:30:06,788 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-25 05:30:06,789 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 05:30:08,129 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-25 05:30:08,133 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (259)] Ended with exit code 0 [2024-11-25 05:30:08,137 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:30:08,138 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-11-25 05:30:08,138 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-11-25 05:30:08,138 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-25 05:30:08,138 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:30:08,138 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 05:30:08,138 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 05:30:08,140 INFO L229 MonitoredProcess]: Starting monitored process 260 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 05:30:08,141 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (260)] Waiting until timeout for monitored process [2024-11-25 05:30:08,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:30:08,769 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 05:30:08,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:30:08,799 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 05:30:08,800 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 05:30:09,850 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-25 05:30:09,854 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (260)] Ended with exit code 0 [2024-11-25 05:30:09,859 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:30:09,859 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-11-25 05:30:09,859 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-11-25 05:30:09,860 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-25 05:30:09,860 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:30:09,860 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 05:30:09,860 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 05:30:09,861 INFO L229 MonitoredProcess]: Starting monitored process 261 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 05:30:09,863 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (261)] Waiting until timeout for monitored process [2024-11-25 05:30:10,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:30:10,509 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 05:30:10,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:30:10,546 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 05:30:10,547 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 05:30:11,739 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-25 05:30:11,743 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (261)] Ended with exit code 0 [2024-11-25 05:30:11,748 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:30:11,748 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-11-25 05:30:11,748 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-11-25 05:30:11,748 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-25 05:30:11,748 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:30:11,748 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 05:30:11,749 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 05:30:11,751 INFO L229 MonitoredProcess]: Starting monitored process 262 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 05:30:11,755 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (262)] Waiting until timeout for monitored process [2024-11-25 05:30:12,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:30:12,428 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 05:30:12,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:30:12,465 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-25 05:30:12,466 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 05:30:13,693 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-25 05:30:13,697 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (262)] Ended with exit code 0 [2024-11-25 05:30:13,702 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:30:13,702 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-11-25 05:30:13,702 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-11-25 05:30:13,703 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-25 05:30:13,703 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:30:13,703 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 05:30:13,703 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 05:30:13,704 INFO L229 MonitoredProcess]: Starting monitored process 263 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 05:30:13,706 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (263)] Waiting until timeout for monitored process [2024-11-25 05:30:14,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:30:14,346 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 05:30:14,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:30:14,381 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 05:30:14,382 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 05:30:15,655 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-25 05:30:15,660 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (263)] Ended with exit code 0 [2024-11-25 05:30:15,667 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:30:15,667 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-11-25 05:30:15,667 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-11-25 05:30:15,668 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-25 05:30:15,668 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:30:15,668 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 05:30:15,668 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 05:30:15,670 INFO L229 MonitoredProcess]: Starting monitored process 264 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 05:30:15,671 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (264)] Waiting until timeout for monitored process [2024-11-25 05:30:16,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:30:16,367 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 05:30:16,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:30:16,406 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-25 05:30:16,406 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 05:30:17,457 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-25 05:30:17,464 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (264)] Ended with exit code 0 [2024-11-25 05:30:17,469 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:30:17,469 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-11-25 05:30:17,469 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-11-25 05:30:17,470 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-25 05:30:17,470 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:30:17,470 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 05:30:17,470 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 05:30:17,471 INFO L229 MonitoredProcess]: Starting monitored process 265 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 05:30:17,473 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (265)] Waiting until timeout for monitored process [2024-11-25 05:30:18,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:30:18,078 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 05:30:18,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:30:18,111 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 05:30:18,112 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 05:30:19,117 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-25 05:30:19,121 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (265)] Ended with exit code 0 [2024-11-25 05:30:19,125 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:30:19,125 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-11-25 05:30:19,125 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-11-25 05:30:19,126 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-25 05:30:19,126 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:30:19,126 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 05:30:19,126 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 05:30:19,128 INFO L229 MonitoredProcess]: Starting monitored process 266 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 05:30:19,130 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (266)] Waiting until timeout for monitored process [2024-11-25 05:30:20,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:30:20,037 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 05:30:20,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:30:20,069 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 05:30:20,069 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 05:30:21,610 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-25 05:30:21,617 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (266)] Ended with exit code 0 [2024-11-25 05:30:21,623 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:30:21,624 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-11-25 05:30:21,624 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-11-25 05:30:21,624 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-25 05:30:21,624 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:30:21,624 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 05:30:21,624 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 05:30:21,627 INFO L229 MonitoredProcess]: Starting monitored process 267 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 05:30:21,628 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (267)] Waiting until timeout for monitored process [2024-11-25 05:30:22,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:30:22,415 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 05:30:22,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:30:22,470 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 05:30:22,471 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 05:30:24,038 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-25 05:30:24,043 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (267)] Ended with exit code 0 [2024-11-25 05:30:24,049 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:30:24,049 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-11-25 05:30:24,050 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-11-25 05:30:24,050 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-25 05:30:24,050 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:30:24,050 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 05:30:24,050 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 05:30:24,052 INFO L229 MonitoredProcess]: Starting monitored process 268 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 05:30:24,053 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (268)] Waiting until timeout for monitored process [2024-11-25 05:30:24,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:30:24,773 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 05:30:24,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:30:24,810 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 05:30:24,811 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 05:30:26,195 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-25 05:30:26,200 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (268)] Ended with exit code 0 [2024-11-25 05:30:26,204 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:30:26,205 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-11-25 05:30:26,205 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-11-25 05:30:26,205 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-25 05:30:26,205 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:30:26,205 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 05:30:26,205 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 05:30:26,207 INFO L229 MonitoredProcess]: Starting monitored process 269 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 05:30:26,208 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (269)] Waiting until timeout for monitored process [2024-11-25 05:30:27,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:30:27,141 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 05:30:27,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:30:27,194 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 05:30:27,195 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 05:30:28,529 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-25 05:30:28,534 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (269)] Ended with exit code 0 [2024-11-25 05:30:28,539 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:30:28,539 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-11-25 05:30:28,540 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-11-25 05:30:28,540 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-25 05:30:28,540 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:30:28,540 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 05:30:28,540 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 05:30:28,542 INFO L229 MonitoredProcess]: Starting monitored process 270 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 05:30:28,544 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (270)] Waiting until timeout for monitored process [2024-11-25 05:30:29,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:30:29,206 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 05:30:29,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:30:29,242 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-25 05:30:29,243 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 05:30:30,421 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-25 05:30:30,426 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (270)] Ended with exit code 0 [2024-11-25 05:30:30,431 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:30:30,431 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-11-25 05:30:30,431 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-11-25 05:30:30,432 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-25 05:30:30,432 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:30:30,432 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 05:30:30,432 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 05:30:30,433 INFO L229 MonitoredProcess]: Starting monitored process 271 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 05:30:30,434 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (271)] Waiting until timeout for monitored process [2024-11-25 05:30:31,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:30:31,097 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 05:30:31,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:30:31,136 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 05:30:31,137 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 05:30:32,210 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-25 05:30:32,215 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (271)] Ended with exit code 0 [2024-11-25 05:30:32,220 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:30:32,220 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-11-25 05:30:32,220 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-11-25 05:30:32,221 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-25 05:30:32,221 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:30:32,221 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 05:30:32,221 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 05:30:32,223 INFO L229 MonitoredProcess]: Starting monitored process 272 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 05:30:32,224 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (272)] Waiting until timeout for monitored process [2024-11-25 05:30:32,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:30:32,878 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 05:30:32,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:30:32,914 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-25 05:30:32,915 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 05:30:34,069 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-25 05:30:34,073 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (272)] Ended with exit code 0 [2024-11-25 05:30:34,078 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:30:34,078 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-11-25 05:30:34,078 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-11-25 05:30:34,078 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-25 05:30:34,078 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:30:34,078 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 05:30:34,079 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 05:30:34,080 INFO L229 MonitoredProcess]: Starting monitored process 273 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 05:30:34,081 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (273)] Waiting until timeout for monitored process [2024-11-25 05:30:34,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:30:34,759 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 05:30:34,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:30:34,797 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 05:30:34,798 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 05:30:36,128 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-25 05:30:36,133 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (273)] Ended with exit code 0 [2024-11-25 05:30:36,137 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:30:36,138 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-11-25 05:30:36,138 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-11-25 05:30:36,138 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-25 05:30:36,138 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:30:36,138 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 05:30:36,138 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 05:30:36,140 INFO L229 MonitoredProcess]: Starting monitored process 274 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 05:30:36,141 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (274)] Waiting until timeout for monitored process [2024-11-25 05:30:36,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:30:36,807 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 05:30:36,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:30:36,845 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 05:30:36,845 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 05:30:38,190 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-25 05:30:38,194 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (274)] Ended with exit code 0 [2024-11-25 05:30:38,199 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:30:38,199 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-11-25 05:30:38,199 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-11-25 05:30:38,199 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-25 05:30:38,199 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:30:38,199 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 05:30:38,199 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 05:30:38,201 INFO L229 MonitoredProcess]: Starting monitored process 275 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 05:30:38,203 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (275)] Waiting until timeout for monitored process [2024-11-25 05:30:38,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:30:38,850 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 05:30:38,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:30:38,887 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 05:30:38,887 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 05:30:39,918 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-25 05:30:39,923 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (275)] Ended with exit code 0 [2024-11-25 05:30:39,933 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:30:39,934 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-11-25 05:30:39,934 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-11-25 05:30:39,934 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-25 05:30:39,934 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:30:39,934 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 05:30:39,934 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 05:30:39,938 INFO L229 MonitoredProcess]: Starting monitored process 276 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 05:30:39,939 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (276)] Waiting until timeout for monitored process [2024-11-25 05:30:40,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:30:40,586 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 05:30:40,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:30:40,619 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 05:30:40,620 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 05:30:41,728 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-25 05:30:41,734 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (276)] Ended with exit code 0 [2024-11-25 05:30:41,739 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:30:41,739 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-11-25 05:30:41,739 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-11-25 05:30:41,739 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-25 05:30:41,739 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:30:41,739 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 05:30:41,740 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 05:30:41,741 INFO L229 MonitoredProcess]: Starting monitored process 277 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 05:30:41,742 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (277)] Waiting until timeout for monitored process [2024-11-25 05:30:42,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:30:42,387 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 05:30:42,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:30:42,425 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 05:30:42,426 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 05:30:43,585 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-25 05:30:43,590 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (277)] Forceful destruction successful, exit code 0 [2024-11-25 05:30:43,596 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:30:43,596 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-11-25 05:30:43,596 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-11-25 05:30:43,596 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-25 05:30:43,596 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:30:43,597 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 05:30:43,597 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 05:30:43,598 INFO L229 MonitoredProcess]: Starting monitored process 278 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 05:30:43,599 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (278)] Waiting until timeout for monitored process [2024-11-25 05:30:44,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:30:44,271 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 05:30:44,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:30:44,309 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 05:30:44,310 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 05:30:45,492 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-25 05:30:45,497 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (278)] Ended with exit code 0 [2024-11-25 05:30:45,502 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:30:45,502 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-11-25 05:30:45,502 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-11-25 05:30:45,502 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-25 05:30:45,502 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:30:45,502 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 05:30:45,502 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 05:30:45,504 INFO L229 MonitoredProcess]: Starting monitored process 279 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 05:30:45,505 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (279)] Waiting until timeout for monitored process [2024-11-25 05:30:46,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:30:46,245 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 05:30:46,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:30:46,279 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 05:30:46,280 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 05:30:47,550 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-25 05:30:47,553 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (279)] Ended with exit code 0 [2024-11-25 05:30:47,557 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:30:47,558 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-11-25 05:30:47,558 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-11-25 05:30:47,558 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-25 05:30:47,558 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:30:47,558 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 05:30:47,558 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 05:30:47,562 INFO L229 MonitoredProcess]: Starting monitored process 280 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 05:30:47,563 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (280)] Waiting until timeout for monitored process [2024-11-25 05:30:48,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:30:48,179 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 05:30:48,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:30:48,212 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 05:30:48,213 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 05:30:49,289 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-25 05:30:49,293 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (280)] Ended with exit code 0 [2024-11-25 05:30:49,298 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:30:49,299 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-11-25 05:30:49,299 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-11-25 05:30:49,299 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-25 05:30:49,299 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:30:49,299 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 05:30:49,299 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 05:30:49,301 INFO L229 MonitoredProcess]: Starting monitored process 281 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 05:30:49,302 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (281)] Waiting until timeout for monitored process [2024-11-25 05:30:49,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:30:49,969 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 05:30:50,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:30:50,005 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 05:30:50,006 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 05:30:50,998 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-25 05:30:51,002 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (281)] Ended with exit code 0 [2024-11-25 05:30:51,008 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:30:51,008 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-11-25 05:30:51,008 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-11-25 05:30:51,008 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-25 05:30:51,008 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:30:51,008 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 05:30:51,009 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 05:30:51,010 INFO L229 MonitoredProcess]: Starting monitored process 282 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 05:30:51,011 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (282)] Waiting until timeout for monitored process [2024-11-25 05:30:51,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:30:51,674 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 05:30:51,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:30:51,713 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 05:30:51,714 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 05:30:52,735 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-25 05:30:52,739 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (282)] Ended with exit code 0 [2024-11-25 05:30:52,744 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:30:52,744 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-11-25 05:30:52,744 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-11-25 05:30:52,744 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-25 05:30:52,744 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:30:52,744 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 05:30:52,745 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 05:30:52,746 INFO L229 MonitoredProcess]: Starting monitored process 283 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 05:30:52,748 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (283)] Waiting until timeout for monitored process [2024-11-25 05:30:53,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:30:53,414 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 05:30:53,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:30:53,451 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 05:30:53,452 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 05:30:54,694 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-25 05:30:54,698 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (283)] Ended with exit code 0 [2024-11-25 05:30:54,703 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:30:54,703 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-11-25 05:30:54,703 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-11-25 05:30:54,703 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-25 05:30:54,703 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:30:54,703 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 05:30:54,703 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 05:30:54,705 INFO L229 MonitoredProcess]: Starting monitored process 284 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 05:30:54,707 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (284)] Waiting until timeout for monitored process [2024-11-25 05:30:55,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:30:55,392 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 05:30:55,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:30:55,428 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 05:30:55,429 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 05:30:56,679 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-25 05:30:56,683 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (284)] Ended with exit code 0 [2024-11-25 05:30:56,688 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:30:56,688 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-11-25 05:30:56,688 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-11-25 05:30:56,688 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-25 05:30:56,688 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:30:56,689 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 05:30:56,689 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 05:30:56,690 INFO L229 MonitoredProcess]: Starting monitored process 285 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 05:30:56,692 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (285)] Waiting until timeout for monitored process [2024-11-25 05:30:57,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:30:57,361 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 05:30:57,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:30:57,404 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 05:30:57,405 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 05:30:58,737 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-25 05:30:58,742 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (285)] Ended with exit code 0 [2024-11-25 05:30:58,747 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:30:58,747 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-11-25 05:30:58,747 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-11-25 05:30:58,747 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-25 05:30:58,747 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:30:58,747 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 05:30:58,747 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 05:30:58,749 INFO L229 MonitoredProcess]: Starting monitored process 286 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 05:30:58,751 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (286)] Waiting until timeout for monitored process [2024-11-25 05:30:59,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:30:59,418 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 05:30:59,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:30:59,457 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-25 05:30:59,458 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 05:31:00,763 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-25 05:31:00,768 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (286)] Ended with exit code 0 [2024-11-25 05:31:00,776 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:31:00,777 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-11-25 05:31:00,777 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-11-25 05:31:00,777 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-25 05:31:00,777 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:31:00,777 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 05:31:00,777 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 05:31:00,779 INFO L229 MonitoredProcess]: Starting monitored process 287 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 05:31:00,781 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (287)] Waiting until timeout for monitored process [2024-11-25 05:31:01,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:31:01,473 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 05:31:01,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:31:01,511 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 05:31:01,511 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 05:31:02,738 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-25 05:31:02,743 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (287)] Ended with exit code 0 [2024-11-25 05:31:02,747 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:31:02,748 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-11-25 05:31:02,748 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-11-25 05:31:02,748 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-25 05:31:02,748 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:31:02,748 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 05:31:02,748 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 05:31:02,750 INFO L229 MonitoredProcess]: Starting monitored process 288 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 05:31:02,751 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (288)] Waiting until timeout for monitored process [2024-11-25 05:31:03,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:31:03,439 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 05:31:03,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:31:03,475 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 05:31:03,476 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 05:31:04,475 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-25 05:31:04,479 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (288)] Ended with exit code 0 [2024-11-25 05:31:04,484 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:31:04,484 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-11-25 05:31:04,485 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-11-25 05:31:04,485 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-25 05:31:04,485 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:31:04,485 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 05:31:04,485 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 05:31:04,487 INFO L229 MonitoredProcess]: Starting monitored process 289 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 05:31:04,488 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (289)] Waiting until timeout for monitored process [2024-11-25 05:31:05,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:31:05,155 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 05:31:05,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:31:05,192 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 05:31:05,192 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 05:31:06,646 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-25 05:31:06,652 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (289)] Ended with exit code 0 [2024-11-25 05:31:06,660 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:31:06,660 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-11-25 05:31:06,660 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-11-25 05:31:06,661 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-25 05:31:06,661 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:31:06,661 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 05:31:06,661 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 05:31:06,664 INFO L229 MonitoredProcess]: Starting monitored process 290 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 05:31:06,665 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (290)] Waiting until timeout for monitored process [2024-11-25 05:31:07,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:31:07,321 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 05:31:07,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:31:07,357 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 05:31:07,357 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 05:31:08,588 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-25 05:31:08,593 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (290)] Ended with exit code 0 [2024-11-25 05:31:08,598 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:31:08,598 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-11-25 05:31:08,598 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-11-25 05:31:08,598 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-25 05:31:08,598 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:31:08,598 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 05:31:08,598 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 05:31:08,600 INFO L229 MonitoredProcess]: Starting monitored process 291 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 05:31:08,602 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (291)] Waiting until timeout for monitored process [2024-11-25 05:31:09,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:31:09,241 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 05:31:09,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:31:09,275 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 05:31:09,275 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 05:31:10,243 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-25 05:31:10,247 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (291)] Ended with exit code 0 [2024-11-25 05:31:10,256 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:31:10,256 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-11-25 05:31:10,256 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-11-25 05:31:10,256 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-25 05:31:10,256 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:31:10,256 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 05:31:10,256 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 05:31:10,258 INFO L229 MonitoredProcess]: Starting monitored process 292 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 05:31:10,259 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (292)] Waiting until timeout for monitored process [2024-11-25 05:31:10,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:31:10,923 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 05:31:10,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:31:10,959 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-25 05:31:10,960 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 05:31:12,326 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-25 05:31:12,330 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (292)] Ended with exit code 0 [2024-11-25 05:31:12,340 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:31:12,340 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-11-25 05:31:12,340 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-11-25 05:31:12,340 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-25 05:31:12,340 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:31:12,340 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 05:31:12,340 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 05:31:12,342 INFO L229 MonitoredProcess]: Starting monitored process 293 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 05:31:12,344 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (293)] Waiting until timeout for monitored process [2024-11-25 05:31:12,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:31:12,964 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 05:31:12,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:31:12,997 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 05:31:12,998 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 05:31:14,005 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-25 05:31:14,010 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (293)] Ended with exit code 0 [2024-11-25 05:31:14,017 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:31:14,021 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-11-25 05:31:14,021 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-11-25 05:31:14,022 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-25 05:31:14,022 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:31:14,022 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 05:31:14,022 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 05:31:14,025 INFO L229 MonitoredProcess]: Starting monitored process 294 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 05:31:14,028 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (294)] Waiting until timeout for monitored process [2024-11-25 05:31:14,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:31:14,638 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 05:31:14,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:31:14,671 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-25 05:31:14,672 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 05:31:15,818 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-25 05:31:15,822 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (294)] Forceful destruction successful, exit code 0 [2024-11-25 05:31:15,828 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:31:15,828 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-11-25 05:31:15,828 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-11-25 05:31:15,828 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-25 05:31:15,828 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:31:15,828 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 05:31:15,828 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 05:31:15,830 INFO L229 MonitoredProcess]: Starting monitored process 295 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 05:31:15,832 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (295)] Waiting until timeout for monitored process [2024-11-25 05:31:16,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:31:16,423 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 05:31:16,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:31:16,456 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 05:31:16,457 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 05:31:17,415 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-25 05:31:17,419 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (295)] Ended with exit code 0 [2024-11-25 05:31:17,425 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:31:17,426 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-11-25 05:31:17,426 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-11-25 05:31:17,426 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-25 05:31:17,426 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:31:17,426 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 05:31:17,426 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 05:31:17,427 INFO L229 MonitoredProcess]: Starting monitored process 296 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 05:31:17,429 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (296)] Waiting until timeout for monitored process [2024-11-25 05:31:18,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:31:18,034 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 05:31:18,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:31:18,065 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 05:31:18,066 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 05:31:19,195 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-25 05:31:19,202 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (296)] Ended with exit code 0 [2024-11-25 05:31:19,209 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:31:19,209 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-11-25 05:31:19,209 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-11-25 05:31:19,209 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-25 05:31:19,209 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:31:19,209 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 05:31:19,209 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 05:31:19,211 INFO L229 MonitoredProcess]: Starting monitored process 297 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 05:31:19,212 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (297)] Waiting until timeout for monitored process [2024-11-25 05:31:19,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:31:19,829 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 05:31:19,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:31:19,863 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-25 05:31:19,863 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 05:31:21,073 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-25 05:31:21,077 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (297)] Ended with exit code 0 [2024-11-25 05:31:21,082 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:31:21,082 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-11-25 05:31:21,082 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-11-25 05:31:21,082 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-25 05:31:21,082 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:31:21,083 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 05:31:21,083 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 05:31:21,085 INFO L229 MonitoredProcess]: Starting monitored process 298 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 05:31:21,086 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (298)] Waiting until timeout for monitored process [2024-11-25 05:31:21,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:31:21,742 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 05:31:21,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:31:21,780 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 05:31:21,780 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 05:31:22,995 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-25 05:31:22,999 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (298)] Ended with exit code 0 [2024-11-25 05:31:23,004 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:31:23,005 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-11-25 05:31:23,005 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-11-25 05:31:23,005 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-25 05:31:23,005 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:31:23,005 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 05:31:23,005 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 05:31:23,009 INFO L229 MonitoredProcess]: Starting monitored process 299 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 05:31:23,011 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (299)] Waiting until timeout for monitored process [2024-11-25 05:31:23,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:31:23,693 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 05:31:23,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:31:23,733 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-25 05:31:23,734 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 05:31:24,978 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-25 05:31:24,983 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (299)] Forceful destruction successful, exit code 0 [2024-11-25 05:31:24,989 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:31:24,989 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-11-25 05:31:24,989 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-11-25 05:31:24,989 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-25 05:31:24,989 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:31:24,989 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 05:31:24,989 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 05:31:24,991 INFO L229 MonitoredProcess]: Starting monitored process 300 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 05:31:24,992 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (300)] Waiting until timeout for monitored process [2024-11-25 05:31:25,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:31:25,731 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 05:31:25,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:31:25,780 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 05:31:25,781 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 05:31:26,865 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-25 05:31:26,869 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (300)] Ended with exit code 0 [2024-11-25 05:31:26,874 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:31:26,874 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-11-25 05:31:26,874 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-11-25 05:31:26,874 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-25 05:31:26,874 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:31:26,874 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 05:31:26,875 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 05:31:26,876 INFO L229 MonitoredProcess]: Starting monitored process 301 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 05:31:26,877 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (301)] Waiting until timeout for monitored process [2024-11-25 05:31:27,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:31:27,526 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 05:31:27,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:31:27,564 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 05:31:27,564 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 05:31:28,585 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-25 05:31:28,590 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (301)] Forceful destruction successful, exit code 0 [2024-11-25 05:31:28,598 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:31:28,598 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-11-25 05:31:28,598 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-11-25 05:31:28,598 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-25 05:31:28,598 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:31:28,598 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 05:31:28,598 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 05:31:28,602 INFO L229 MonitoredProcess]: Starting monitored process 302 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 05:31:28,603 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (302)] Waiting until timeout for monitored process [2024-11-25 05:31:29,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:31:29,313 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 05:31:29,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:31:29,345 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-25 05:31:29,346 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 05:31:30,636 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-25 05:31:30,640 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (302)] Ended with exit code 0 [2024-11-25 05:31:30,647 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:31:30,647 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-11-25 05:31:30,647 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-11-25 05:31:30,647 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-25 05:31:30,647 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:31:30,647 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 05:31:30,647 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 05:31:30,649 INFO L229 MonitoredProcess]: Starting monitored process 303 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 05:31:30,650 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (303)] Waiting until timeout for monitored process [2024-11-25 05:31:31,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:31:31,305 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 05:31:31,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:31:31,340 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 05:31:31,341 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 05:31:32,502 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-25 05:31:32,506 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (303)] Ended with exit code 0 [2024-11-25 05:31:32,511 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:31:32,511 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-11-25 05:31:32,511 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-11-25 05:31:32,512 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-25 05:31:32,512 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:31:32,512 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 05:31:32,512 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 05:31:32,514 INFO L229 MonitoredProcess]: Starting monitored process 304 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 05:31:32,515 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (304)] Waiting until timeout for monitored process [2024-11-25 05:31:33,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:31:33,139 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 05:31:33,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:31:33,201 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 05:31:33,202 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 05:31:34,306 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-25 05:31:34,311 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (304)] Ended with exit code 0 [2024-11-25 05:31:34,315 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:31:34,315 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-11-25 05:31:34,315 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-11-25 05:31:34,315 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-25 05:31:34,316 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:31:34,316 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 05:31:34,316 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 05:31:34,317 INFO L229 MonitoredProcess]: Starting monitored process 305 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 05:31:34,319 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (305)] Waiting until timeout for monitored process [2024-11-25 05:31:34,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:31:34,963 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 05:31:34,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:31:35,001 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 05:31:35,002 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 05:31:36,071 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-25 05:31:36,078 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (305)] Ended with exit code 0 [2024-11-25 05:31:36,086 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:31:36,086 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-11-25 05:31:36,086 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-11-25 05:31:36,086 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-25 05:31:36,086 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:31:36,087 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 05:31:36,087 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 05:31:36,089 INFO L229 MonitoredProcess]: Starting monitored process 306 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 05:31:36,091 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (306)] Waiting until timeout for monitored process [2024-11-25 05:31:36,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:31:36,759 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 05:31:36,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:31:36,801 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 05:31:36,802 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 05:31:37,987 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-25 05:31:37,992 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (306)] Ended with exit code 0 [2024-11-25 05:31:37,997 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:31:37,998 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-11-25 05:31:37,998 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-11-25 05:31:37,998 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-25 05:31:37,998 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:31:37,998 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 05:31:37,998 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 05:31:38,000 INFO L229 MonitoredProcess]: Starting monitored process 307 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 05:31:38,003 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (307)] Waiting until timeout for monitored process [2024-11-25 05:31:38,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:31:38,719 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 05:31:38,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:31:38,772 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 05:31:38,773 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 05:31:39,805 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-25 05:31:39,809 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (307)] Ended with exit code 0 [2024-11-25 05:31:39,813 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:31:39,813 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-11-25 05:31:39,813 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-11-25 05:31:39,813 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-25 05:31:39,813 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:31:39,813 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 05:31:39,814 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 05:31:39,815 INFO L229 MonitoredProcess]: Starting monitored process 308 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 05:31:39,817 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (308)] Waiting until timeout for monitored process [2024-11-25 05:31:40,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:31:40,417 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 05:31:40,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:31:40,450 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 05:31:40,451 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 05:31:41,579 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-25 05:31:41,583 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (308)] Ended with exit code 0 [2024-11-25 05:31:41,587 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:31:41,587 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-11-25 05:31:41,587 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-11-25 05:31:41,587 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-25 05:31:41,588 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:31:41,588 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 05:31:41,588 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 05:31:41,589 INFO L229 MonitoredProcess]: Starting monitored process 309 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 05:31:41,591 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (309)] Waiting until timeout for monitored process [2024-11-25 05:31:42,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:31:42,208 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 05:31:42,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:31:42,243 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 05:31:42,244 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 05:31:43,318 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-25 05:31:43,323 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (309)] Ended with exit code 0 [2024-11-25 05:31:43,328 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:31:43,328 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-11-25 05:31:43,328 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-11-25 05:31:43,328 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-25 05:31:43,328 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:31:43,328 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 05:31:43,328 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 05:31:43,330 INFO L229 MonitoredProcess]: Starting monitored process 310 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 05:31:43,332 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (310)] Waiting until timeout for monitored process [2024-11-25 05:31:43,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:31:43,937 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 05:31:43,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:31:43,975 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-25 05:31:43,975 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 05:31:45,175 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-25 05:31:45,179 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (310)] Ended with exit code 0 [2024-11-25 05:31:45,184 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:31:45,184 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-11-25 05:31:45,184 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-11-25 05:31:45,184 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-25 05:31:45,184 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:31:45,184 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 05:31:45,184 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 05:31:45,186 INFO L229 MonitoredProcess]: Starting monitored process 311 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 05:31:45,188 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (311)] Waiting until timeout for monitored process [2024-11-25 05:31:45,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:31:45,886 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 05:31:45,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:31:45,922 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 05:31:45,923 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 05:31:46,939 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-25 05:31:46,944 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (311)] Ended with exit code 0 [2024-11-25 05:31:46,950 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:31:46,950 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-11-25 05:31:46,950 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-11-25 05:31:46,951 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-25 05:31:46,951 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:31:46,951 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 05:31:46,951 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 05:31:46,953 INFO L229 MonitoredProcess]: Starting monitored process 312 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 05:31:46,954 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (312)] Waiting until timeout for monitored process [2024-11-25 05:31:47,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:31:47,623 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 05:31:47,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:31:47,672 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-25 05:31:47,673 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 05:31:50,498 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-25 05:31:50,502 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (312)] Ended with exit code 0 [2024-11-25 05:31:50,656 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:31:50,657 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-11-25 05:31:50,657 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-11-25 05:31:50,657 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-25 05:31:50,657 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:31:50,657 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 05:31:50,657 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 05:31:50,659 INFO L229 MonitoredProcess]: Starting monitored process 313 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 05:31:50,661 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (313)] Waiting until timeout for monitored process [2024-11-25 05:31:51,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:31:51,315 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 05:31:51,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:31:51,351 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-25 05:31:51,351 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 05:31:52,641 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-25 05:31:52,646 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (313)] Ended with exit code 0 [2024-11-25 05:31:52,651 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:31:52,651 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-11-25 05:31:52,651 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-11-25 05:31:52,651 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-25 05:31:52,651 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:31:52,651 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 05:31:52,652 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 05:31:52,653 INFO L229 MonitoredProcess]: Starting monitored process 314 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 05:31:52,654 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (314)] Waiting until timeout for monitored process [2024-11-25 05:31:53,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:31:53,290 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 05:31:53,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:31:53,330 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 05:31:53,331 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 05:31:54,362 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-25 05:31:54,366 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (314)] Ended with exit code 0 [2024-11-25 05:31:54,371 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:31:54,371 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-11-25 05:31:54,372 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-11-25 05:31:54,372 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-25 05:31:54,372 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:31:54,372 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 05:31:54,372 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 05:31:54,374 INFO L229 MonitoredProcess]: Starting monitored process 315 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 05:31:54,375 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (315)] Waiting until timeout for monitored process [2024-11-25 05:31:55,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:31:55,040 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 05:31:55,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:31:55,078 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 05:31:55,079 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 05:31:56,249 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-25 05:31:56,254 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (315)] Ended with exit code 0 [2024-11-25 05:31:56,259 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:31:56,259 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-11-25 05:31:56,259 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-11-25 05:31:56,259 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-25 05:31:56,259 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:31:56,260 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 05:31:56,260 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 05:31:56,261 INFO L229 MonitoredProcess]: Starting monitored process 316 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 05:31:56,263 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (316)] Waiting until timeout for monitored process [2024-11-25 05:31:56,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:31:56,910 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 05:31:56,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:31:56,948 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 05:31:56,949 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 05:31:58,061 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-25 05:31:58,066 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (316)] Ended with exit code 0 [2024-11-25 05:31:58,070 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:31:58,071 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-11-25 05:31:58,071 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-11-25 05:31:58,071 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-25 05:31:58,071 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:31:58,071 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 05:31:58,071 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 05:31:58,073 INFO L229 MonitoredProcess]: Starting monitored process 317 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 05:31:58,075 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (317)] Waiting until timeout for monitored process [2024-11-25 05:31:58,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:31:58,729 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 05:31:58,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:31:58,770 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 05:31:58,771 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 05:32:00,009 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-25 05:32:00,013 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (317)] Ended with exit code 0 [2024-11-25 05:32:00,018 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:32:00,018 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-11-25 05:32:00,018 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-11-25 05:32:00,018 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-25 05:32:00,018 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:32:00,018 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 05:32:00,018 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 05:32:00,020 INFO L229 MonitoredProcess]: Starting monitored process 318 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 05:32:00,022 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (318)] Waiting until timeout for monitored process [2024-11-25 05:32:00,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:32:00,674 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 05:32:00,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:32:00,708 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 05:32:00,709 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 05:32:01,816 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-25 05:32:01,820 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (318)] Ended with exit code 0 [2024-11-25 05:32:01,825 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:32:01,825 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-11-25 05:32:01,825 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-11-25 05:32:01,826 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-25 05:32:01,826 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:32:01,826 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 05:32:01,826 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 05:32:01,827 INFO L229 MonitoredProcess]: Starting monitored process 319 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 05:32:01,828 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (319)] Waiting until timeout for monitored process [2024-11-25 05:32:02,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:32:02,450 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 05:32:02,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:32:02,482 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 05:32:02,482 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 05:32:03,585 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-25 05:32:03,589 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (319)] Ended with exit code 0 [2024-11-25 05:32:03,594 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:32:03,595 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-11-25 05:32:03,595 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-11-25 05:32:03,595 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-25 05:32:03,595 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:32:03,595 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 05:32:03,595 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 05:32:03,598 INFO L229 MonitoredProcess]: Starting monitored process 320 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 05:32:03,599 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (320)] Waiting until timeout for monitored process [2024-11-25 05:32:04,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:32:04,252 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 05:32:04,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:32:04,289 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 05:32:04,290 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 05:32:05,571 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-25 05:32:05,578 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (320)] Ended with exit code 0 [2024-11-25 05:32:05,586 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:32:05,587 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-11-25 05:32:05,587 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-11-25 05:32:05,587 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-25 05:32:05,587 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:32:05,587 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 05:32:05,587 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 05:32:05,589 INFO L229 MonitoredProcess]: Starting monitored process 321 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 05:32:05,592 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (321)] Waiting until timeout for monitored process [2024-11-25 05:32:06,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:32:06,333 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 05:32:06,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:32:06,370 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 05:32:06,371 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 05:32:07,608 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-25 05:32:07,612 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (321)] Ended with exit code 0 [2024-11-25 05:32:07,618 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:32:07,618 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-11-25 05:32:07,618 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-11-25 05:32:07,618 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-25 05:32:07,618 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:32:07,618 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 05:32:07,618 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 05:32:07,620 INFO L229 MonitoredProcess]: Starting monitored process 322 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 05:32:07,622 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (322)] Waiting until timeout for monitored process [2024-11-25 05:32:08,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:32:08,284 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 05:32:08,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:32:08,323 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 05:32:08,323 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 05:32:09,378 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-25 05:32:09,383 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (322)] Forceful destruction successful, exit code 0 [2024-11-25 05:32:09,389 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:32:09,389 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-11-25 05:32:09,389 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-11-25 05:32:09,389 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-25 05:32:09,389 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:32:09,389 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 05:32:09,389 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 05:32:09,391 INFO L229 MonitoredProcess]: Starting monitored process 323 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 05:32:09,392 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (323)] Waiting until timeout for monitored process [2024-11-25 05:32:10,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:32:10,043 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 05:32:10,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:32:10,081 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-25 05:32:10,082 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 05:32:11,479 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-25 05:32:11,483 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (323)] Ended with exit code 0 [2024-11-25 05:32:11,489 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:32:11,489 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-11-25 05:32:11,489 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-11-25 05:32:11,489 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-25 05:32:11,489 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:32:11,489 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 05:32:11,489 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 05:32:11,491 INFO L229 MonitoredProcess]: Starting monitored process 324 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 05:32:11,493 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (324)] Waiting until timeout for monitored process [2024-11-25 05:32:12,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:32:12,145 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 05:32:12,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:32:12,182 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 05:32:12,182 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 05:32:13,270 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-25 05:32:13,274 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (324)] Forceful destruction successful, exit code 0 [2024-11-25 05:32:13,279 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:32:13,280 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-11-25 05:32:13,280 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-11-25 05:32:13,280 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-25 05:32:13,280 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:32:13,280 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 05:32:13,280 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 05:32:13,282 INFO L229 MonitoredProcess]: Starting monitored process 325 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 05:32:13,283 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (325)] Waiting until timeout for monitored process [2024-11-25 05:32:13,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:32:13,942 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 05:32:13,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:32:13,978 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 05:32:13,978 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 05:32:15,153 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-25 05:32:15,158 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (325)] Ended with exit code 0 [2024-11-25 05:32:15,164 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:32:15,164 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-11-25 05:32:15,164 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-11-25 05:32:15,164 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-25 05:32:15,164 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:32:15,165 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 05:32:15,165 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 05:32:15,166 INFO L229 MonitoredProcess]: Starting monitored process 326 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 05:32:15,168 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (326)] Waiting until timeout for monitored process [2024-11-25 05:32:15,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:32:15,972 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 05:32:16,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:32:16,011 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-25 05:32:16,011 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 05:32:17,424 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-25 05:32:17,428 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (326)] Forceful destruction successful, exit code 0 [2024-11-25 05:32:17,433 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:32:17,433 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-11-25 05:32:17,433 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-11-25 05:32:17,434 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-25 05:32:17,434 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:32:17,434 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 05:32:17,434 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 05:32:17,435 INFO L229 MonitoredProcess]: Starting monitored process 327 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 05:32:17,437 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (327)] Waiting until timeout for monitored process [2024-11-25 05:32:18,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:32:18,108 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 05:32:18,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:32:18,148 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 05:32:18,148 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 05:32:19,382 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-25 05:32:19,386 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (327)] Ended with exit code 0 [2024-11-25 05:32:19,391 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:32:19,391 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-11-25 05:32:19,391 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-11-25 05:32:19,391 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-25 05:32:19,391 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:32:19,391 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 05:32:19,391 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 05:32:19,393 INFO L229 MonitoredProcess]: Starting monitored process 328 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 05:32:19,394 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (328)] Waiting until timeout for monitored process [2024-11-25 05:32:20,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:32:20,009 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 05:32:20,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:32:20,045 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-25 05:32:20,045 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 05:32:21,307 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-25 05:32:21,311 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (328)] Ended with exit code 0 [2024-11-25 05:32:21,316 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:32:21,317 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-11-25 05:32:21,317 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-11-25 05:32:21,317 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-25 05:32:21,317 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:32:21,317 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 05:32:21,317 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 05:32:21,319 INFO L229 MonitoredProcess]: Starting monitored process 329 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 05:32:21,320 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (329)] Waiting until timeout for monitored process [2024-11-25 05:32:21,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:32:21,996 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 05:32:22,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:32:22,038 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 05:32:22,039 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 05:32:23,180 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-25 05:32:23,184 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (329)] Ended with exit code 0 [2024-11-25 05:32:23,188 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:32:23,189 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-11-25 05:32:23,189 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-11-25 05:32:23,189 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-25 05:32:23,189 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:32:23,189 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 05:32:23,189 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 05:32:23,190 INFO L229 MonitoredProcess]: Starting monitored process 330 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 05:32:23,192 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (330)] Waiting until timeout for monitored process [2024-11-25 05:32:23,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:32:23,815 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 05:32:23,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:32:23,849 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-25 05:32:23,849 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 05:32:25,145 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-25 05:32:25,149 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (330)] Ended with exit code 0 [2024-11-25 05:32:25,155 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:32:25,155 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-11-25 05:32:25,155 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-11-25 05:32:25,155 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-25 05:32:25,155 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:32:25,155 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 05:32:25,155 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 05:32:25,157 INFO L229 MonitoredProcess]: Starting monitored process 331 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 05:32:25,158 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (331)] Waiting until timeout for monitored process [2024-11-25 05:32:25,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:32:25,947 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 05:32:25,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:32:25,984 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 05:32:25,985 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 05:32:27,381 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-25 05:32:27,386 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (331)] Ended with exit code 0 [2024-11-25 05:32:27,391 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:32:27,392 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-11-25 05:32:27,392 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-11-25 05:32:27,392 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-25 05:32:27,392 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:32:27,392 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 05:32:27,392 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 05:32:27,394 INFO L229 MonitoredProcess]: Starting monitored process 332 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 05:32:27,395 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (332)] Waiting until timeout for monitored process [2024-11-25 05:32:28,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:32:28,069 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 05:32:28,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:32:28,109 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 05:32:28,110 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 05:32:29,333 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-25 05:32:29,337 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (332)] Ended with exit code 0 [2024-11-25 05:32:29,343 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:32:29,343 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-11-25 05:32:29,343 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-11-25 05:32:29,343 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-25 05:32:29,343 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:32:29,344 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 05:32:29,344 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 05:32:29,347 INFO L229 MonitoredProcess]: Starting monitored process 333 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 05:32:29,353 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (333)] Waiting until timeout for monitored process [2024-11-25 05:32:30,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:32:30,031 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 05:32:30,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:32:30,067 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 05:32:30,068 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 05:32:31,174 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-25 05:32:31,178 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (333)] Forceful destruction successful, exit code 0 [2024-11-25 05:32:31,184 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:32:31,184 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-11-25 05:32:31,184 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-11-25 05:32:31,184 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-25 05:32:31,184 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:32:31,184 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 05:32:31,184 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 05:32:31,186 INFO L229 MonitoredProcess]: Starting monitored process 334 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 05:32:31,188 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (334)] Waiting until timeout for monitored process [2024-11-25 05:32:31,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:32:31,880 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 05:32:31,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:32:31,918 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 05:32:31,919 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 05:32:33,127 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-25 05:32:33,132 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (334)] Ended with exit code 0 [2024-11-25 05:32:33,137 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:32:33,138 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-11-25 05:32:33,138 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-11-25 05:32:33,138 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-25 05:32:33,138 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:32:33,138 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 05:32:33,138 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 05:32:33,140 INFO L229 MonitoredProcess]: Starting monitored process 335 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 05:32:33,142 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (335)] Waiting until timeout for monitored process [2024-11-25 05:32:33,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:32:33,824 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 05:32:33,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:32:33,865 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 05:32:33,866 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 05:32:35,033 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-25 05:32:35,037 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (335)] Ended with exit code 0 [2024-11-25 05:32:35,042 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:32:35,043 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-11-25 05:32:35,043 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-11-25 05:32:35,043 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-25 05:32:35,043 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:32:35,043 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 05:32:35,043 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 05:32:35,045 INFO L229 MonitoredProcess]: Starting monitored process 336 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 05:32:35,046 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (336)] Waiting until timeout for monitored process [2024-11-25 05:32:35,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:32:35,818 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 05:32:35,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:32:35,856 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 05:32:35,857 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 05:32:36,968 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-25 05:32:36,972 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (336)] Ended with exit code 0 [2024-11-25 05:32:36,977 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:32:36,978 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-11-25 05:32:36,978 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-11-25 05:32:36,978 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-25 05:32:36,978 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:32:36,978 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 05:32:36,978 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 05:32:36,980 INFO L229 MonitoredProcess]: Starting monitored process 337 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 05:32:36,981 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (337)] Waiting until timeout for monitored process [2024-11-25 05:32:37,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:32:37,667 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 05:32:37,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:32:37,707 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 05:32:37,708 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 05:32:38,885 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-25 05:32:38,890 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (337)] Ended with exit code 0 [2024-11-25 05:32:38,895 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:32:38,895 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-11-25 05:32:38,895 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-11-25 05:32:38,895 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-25 05:32:38,896 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:32:38,896 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 05:32:38,896 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 05:32:38,897 INFO L229 MonitoredProcess]: Starting monitored process 338 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 05:32:38,899 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (338)] Waiting until timeout for monitored process [2024-11-25 05:32:39,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:32:39,582 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 05:32:39,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:32:39,622 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-25 05:32:39,623 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 05:32:40,657 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-25 05:32:40,661 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (338)] Ended with exit code 0 [2024-11-25 05:32:40,666 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:32:40,667 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-11-25 05:32:40,667 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-11-25 05:32:40,667 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-25 05:32:40,667 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:32:40,667 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 05:32:40,667 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 05:32:40,671 INFO L229 MonitoredProcess]: Starting monitored process 339 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 05:32:40,673 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (339)] Waiting until timeout for monitored process [2024-11-25 05:32:41,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:32:41,334 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 05:32:41,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:32:41,370 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 05:32:41,371 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 05:32:42,502 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-25 05:32:42,507 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (339)] Ended with exit code 0 [2024-11-25 05:32:42,511 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:32:42,512 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-11-25 05:32:42,512 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-11-25 05:32:42,512 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-25 05:32:42,512 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:32:42,512 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 05:32:42,512 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 05:32:42,514 INFO L229 MonitoredProcess]: Starting monitored process 340 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 05:32:42,515 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (340)] Waiting until timeout for monitored process [2024-11-25 05:32:43,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:32:43,173 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 05:32:43,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:32:43,210 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 05:32:43,211 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 05:32:44,320 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-25 05:32:44,324 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (340)] Ended with exit code 0 [2024-11-25 05:32:44,329 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:32:44,330 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-11-25 05:32:44,330 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-11-25 05:32:44,330 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-25 05:32:44,330 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:32:44,330 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 05:32:44,330 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 05:32:44,332 INFO L229 MonitoredProcess]: Starting monitored process 341 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 05:32:44,333 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (341)] Waiting until timeout for monitored process [2024-11-25 05:32:44,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:32:44,997 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 05:32:45,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:32:45,036 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-25 05:32:45,037 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 05:32:46,456 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-25 05:32:46,461 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (341)] Ended with exit code 0 [2024-11-25 05:32:46,466 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:32:46,466 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-11-25 05:32:46,466 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-11-25 05:32:46,466 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-25 05:32:46,466 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:32:46,467 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 05:32:46,467 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 05:32:46,468 INFO L229 MonitoredProcess]: Starting monitored process 342 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 05:32:46,470 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (342)] Waiting until timeout for monitored process [2024-11-25 05:32:47,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:32:47,134 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 05:32:47,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:32:47,181 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-25 05:32:47,182 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 05:32:48,324 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-25 05:32:48,328 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (342)] Ended with exit code 0 [2024-11-25 05:32:48,334 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:32:48,335 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-11-25 05:32:48,335 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-11-25 05:32:48,335 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-25 05:32:48,335 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:32:48,335 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 05:32:48,335 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 05:32:48,337 INFO L229 MonitoredProcess]: Starting monitored process 343 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 05:32:48,338 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (343)] Waiting until timeout for monitored process [2024-11-25 05:32:48,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:32:48,998 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 05:32:49,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:32:49,035 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 05:32:49,036 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 05:32:50,373 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-25 05:32:50,378 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (343)] Ended with exit code 0 [2024-11-25 05:32:50,383 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:32:50,383 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-11-25 05:32:50,383 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-11-25 05:32:50,383 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-25 05:32:50,384 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:32:50,384 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 05:32:50,384 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 05:32:50,385 INFO L229 MonitoredProcess]: Starting monitored process 344 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 05:32:50,387 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (344)] Waiting until timeout for monitored process [2024-11-25 05:32:51,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:32:51,054 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 05:32:51,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:32:51,088 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 05:32:51,089 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 05:32:52,271 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-25 05:32:52,275 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (344)] Ended with exit code 0 [2024-11-25 05:32:52,280 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:32:52,280 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-11-25 05:32:52,281 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-11-25 05:32:52,281 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-25 05:32:52,281 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:32:52,281 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 05:32:52,281 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 05:32:52,283 INFO L229 MonitoredProcess]: Starting monitored process 345 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 05:32:52,284 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (345)] Waiting until timeout for monitored process [2024-11-25 05:32:52,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:32:52,955 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 05:32:52,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:32:52,995 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-25 05:32:52,995 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 05:32:54,200 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-25 05:32:54,205 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (345)] Ended with exit code 0 [2024-11-25 05:32:54,211 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:32:54,211 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-11-25 05:32:54,211 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-11-25 05:32:54,211 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-25 05:32:54,211 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:32:54,211 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 05:32:54,212 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 05:32:54,213 INFO L229 MonitoredProcess]: Starting monitored process 346 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 05:32:54,217 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (346)] Waiting until timeout for monitored process [2024-11-25 05:32:54,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:32:54,901 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 05:32:54,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:32:54,940 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 05:32:54,941 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 05:32:56,278 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-25 05:32:56,282 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (346)] Ended with exit code 0 [2024-11-25 05:32:56,287 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:32:56,288 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-11-25 05:32:56,288 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-11-25 05:32:56,288 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-25 05:32:56,288 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:32:56,288 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 05:32:56,288 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 05:32:56,290 INFO L229 MonitoredProcess]: Starting monitored process 347 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 05:32:56,291 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (347)] Waiting until timeout for monitored process [2024-11-25 05:32:56,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:32:56,980 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 05:32:57,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:32:57,024 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 05:32:57,024 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 05:32:58,104 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-25 05:32:58,109 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (347)] Ended with exit code 0 [2024-11-25 05:32:58,115 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:32:58,115 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-11-25 05:32:58,115 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-11-25 05:32:58,115 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-25 05:32:58,115 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:32:58,115 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 05:32:58,115 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 05:32:58,117 INFO L229 MonitoredProcess]: Starting monitored process 348 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 05:32:58,119 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (348)] Waiting until timeout for monitored process [2024-11-25 05:32:58,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:32:58,807 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 05:32:58,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:32:58,846 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-25 05:32:58,847 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 05:33:00,096 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-25 05:33:00,100 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (348)] Ended with exit code 0 [2024-11-25 05:33:00,105 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:33:00,106 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-11-25 05:33:00,106 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-11-25 05:33:00,106 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-25 05:33:00,106 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:33:00,106 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 05:33:00,106 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 05:33:00,108 INFO L229 MonitoredProcess]: Starting monitored process 349 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 05:33:00,109 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (349)] Waiting until timeout for monitored process [2024-11-25 05:33:00,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:33:00,773 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 05:33:00,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:33:00,809 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 05:33:00,809 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 05:33:01,935 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-25 05:33:01,940 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (349)] Ended with exit code 0 [2024-11-25 05:33:01,945 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:33:01,946 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-11-25 05:33:01,946 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-11-25 05:33:01,946 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-25 05:33:01,946 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:33:01,946 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 05:33:01,946 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 05:33:01,948 INFO L229 MonitoredProcess]: Starting monitored process 350 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 05:33:01,950 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (350)] Waiting until timeout for monitored process [2024-11-25 05:33:02,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:33:02,604 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 05:33:02,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:33:02,642 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-25 05:33:02,643 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 05:33:03,851 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-25 05:33:03,856 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (350)] Ended with exit code 0 [2024-11-25 05:33:03,861 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:33:03,862 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-11-25 05:33:03,862 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-11-25 05:33:03,862 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-25 05:33:03,862 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:33:03,862 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 05:33:03,862 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 05:33:03,864 INFO L229 MonitoredProcess]: Starting monitored process 351 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 05:33:03,865 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (351)] Waiting until timeout for monitored process [2024-11-25 05:33:04,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:33:04,563 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 05:33:04,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:33:04,601 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 05:33:04,602 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 05:33:05,990 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-25 05:33:05,996 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (351)] Forceful destruction successful, exit code 0 [2024-11-25 05:33:06,004 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:33:06,005 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-11-25 05:33:06,005 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-11-25 05:33:06,005 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-25 05:33:06,005 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:33:06,005 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 05:33:06,005 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 05:33:06,007 INFO L229 MonitoredProcess]: Starting monitored process 352 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 05:33:06,008 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (352)] Waiting until timeout for monitored process [2024-11-25 05:33:06,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:33:06,676 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 05:33:06,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:33:06,716 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-25 05:33:06,717 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 05:33:08,069 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-25 05:33:08,073 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (352)] Forceful destruction successful, exit code 0 [2024-11-25 05:33:08,080 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:33:08,080 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-11-25 05:33:08,080 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-11-25 05:33:08,080 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-25 05:33:08,080 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:33:08,080 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 05:33:08,081 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 05:33:08,082 INFO L229 MonitoredProcess]: Starting monitored process 353 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 05:33:08,084 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (353)] Waiting until timeout for monitored process [2024-11-25 05:33:08,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:33:08,765 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 05:33:08,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:33:08,805 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-25 05:33:08,806 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 05:33:10,011 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-25 05:33:10,016 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (353)] Ended with exit code 0 [2024-11-25 05:33:10,024 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:33:10,025 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-11-25 05:33:10,025 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-11-25 05:33:10,025 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-25 05:33:10,025 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:33:10,025 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 05:33:10,025 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 05:33:10,027 INFO L229 MonitoredProcess]: Starting monitored process 354 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 05:33:10,029 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (354)] Waiting until timeout for monitored process [2024-11-25 05:33:10,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:33:10,707 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 05:33:10,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:33:10,747 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 05:33:10,748 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 05:33:11,781 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-25 05:33:11,785 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (354)] Ended with exit code 0 [2024-11-25 05:33:11,790 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:33:11,790 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-11-25 05:33:11,790 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-11-25 05:33:11,791 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-25 05:33:11,791 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:33:11,791 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 05:33:11,791 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 05:33:11,792 INFO L229 MonitoredProcess]: Starting monitored process 355 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 05:33:11,794 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (355)] Waiting until timeout for monitored process [2024-11-25 05:33:12,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:33:12,486 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 05:33:12,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:33:12,528 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 05:33:12,529 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 05:33:13,505 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-25 05:33:13,509 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (355)] Ended with exit code 0 [2024-11-25 05:33:13,514 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:33:13,514 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-11-25 05:33:13,514 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-11-25 05:33:13,514 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-25 05:33:13,514 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:33:13,514 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 05:33:13,514 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 05:33:13,516 INFO L229 MonitoredProcess]: Starting monitored process 356 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 05:33:13,517 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (356)] Waiting until timeout for monitored process [2024-11-25 05:33:14,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:33:14,195 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 05:33:14,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:33:14,237 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-25 05:33:14,238 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 05:33:15,949 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-25 05:33:15,956 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (356)] Ended with exit code 0 [2024-11-25 05:33:15,968 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:33:15,969 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-11-25 05:33:15,969 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-11-25 05:33:15,969 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-25 05:33:15,969 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:33:15,969 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 05:33:15,969 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 05:33:15,973 INFO L229 MonitoredProcess]: Starting monitored process 357 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 05:33:15,974 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (357)] Waiting until timeout for monitored process [2024-11-25 05:33:16,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:33:16,656 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 05:33:16,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:33:16,691 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 05:33:16,692 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 05:33:17,968 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-25 05:33:17,973 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (357)] Ended with exit code 0 [2024-11-25 05:33:17,978 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:33:17,978 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-11-25 05:33:17,978 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-11-25 05:33:17,978 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-25 05:33:17,978 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:33:17,978 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 05:33:17,978 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 05:33:17,981 INFO L229 MonitoredProcess]: Starting monitored process 358 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 05:33:17,983 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (358)] Waiting until timeout for monitored process [2024-11-25 05:33:18,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:33:18,657 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 05:33:18,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:33:18,691 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 05:33:18,692 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 05:33:19,931 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-25 05:33:19,936 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (358)] Forceful destruction successful, exit code 0 [2024-11-25 05:33:19,941 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:33:19,941 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-11-25 05:33:19,941 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-11-25 05:33:19,941 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-25 05:33:19,941 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:33:19,941 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 05:33:19,941 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 05:33:19,943 INFO L229 MonitoredProcess]: Starting monitored process 359 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 05:33:19,945 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (359)] Waiting until timeout for monitored process [2024-11-25 05:33:20,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:33:20,609 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 05:33:20,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:33:20,645 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 05:33:20,646 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 05:33:21,959 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-25 05:33:21,963 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (359)] Ended with exit code 0 [2024-11-25 05:33:21,968 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:33:21,968 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-11-25 05:33:21,968 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-11-25 05:33:21,969 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-25 05:33:21,969 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:33:21,969 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 05:33:21,969 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 05:33:21,970 INFO L229 MonitoredProcess]: Starting monitored process 360 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 05:33:21,972 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (360)] Waiting until timeout for monitored process [2024-11-25 05:33:22,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:33:22,652 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 05:33:22,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:33:22,693 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 05:33:22,694 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 05:33:23,845 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-25 05:33:23,849 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (360)] Ended with exit code 0 [2024-11-25 05:33:23,854 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:33:23,854 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-11-25 05:33:23,854 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-11-25 05:33:23,855 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-25 05:33:23,855 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:33:23,855 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 05:33:23,855 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 05:33:23,857 INFO L229 MonitoredProcess]: Starting monitored process 361 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 05:33:23,858 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (361)] Waiting until timeout for monitored process [2024-11-25 05:33:24,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:33:24,539 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 05:33:24,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:33:24,617 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 05:33:24,618 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 05:33:25,933 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-25 05:33:25,937 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (361)] Ended with exit code 0 [2024-11-25 05:33:25,945 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:33:25,945 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-11-25 05:33:25,945 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-11-25 05:33:25,945 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-25 05:33:25,945 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:33:25,945 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 05:33:25,946 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 05:33:25,950 INFO L229 MonitoredProcess]: Starting monitored process 362 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 05:33:25,951 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (362)] Waiting until timeout for monitored process [2024-11-25 05:33:26,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:33:26,622 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 05:33:26,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:33:26,660 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 05:33:26,661 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 05:33:27,719 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-25 05:33:27,723 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (362)] Ended with exit code 0 [2024-11-25 05:33:27,729 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:33:27,729 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-11-25 05:33:27,729 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-11-25 05:33:27,729 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-25 05:33:27,729 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:33:27,730 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 05:33:27,730 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 05:33:27,733 INFO L229 MonitoredProcess]: Starting monitored process 363 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 05:33:27,733 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (363)] Waiting until timeout for monitored process [2024-11-25 05:33:28,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:33:28,375 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 05:33:28,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:33:28,413 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 05:33:28,414 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 05:33:29,532 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-25 05:33:29,537 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (363)] Ended with exit code 0 [2024-11-25 05:33:29,542 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:33:29,542 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-11-25 05:33:29,542 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-11-25 05:33:29,542 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-25 05:33:29,542 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:33:29,542 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 05:33:29,542 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 05:33:29,544 INFO L229 MonitoredProcess]: Starting monitored process 364 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 05:33:29,545 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (364)] Waiting until timeout for monitored process [2024-11-25 05:33:30,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:33:30,204 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 05:33:30,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:33:30,240 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-25 05:33:30,241 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 05:33:31,397 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-25 05:33:31,402 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (364)] Ended with exit code 0 [2024-11-25 05:33:31,411 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:33:31,411 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-11-25 05:33:31,411 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-11-25 05:33:31,411 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-25 05:33:31,411 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:33:31,412 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 05:33:31,412 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 05:33:31,413 INFO L229 MonitoredProcess]: Starting monitored process 365 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 05:33:31,415 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (365)] Waiting until timeout for monitored process [2024-11-25 05:33:32,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:33:32,076 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 05:33:32,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:33:32,113 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 05:33:32,114 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 05:33:33,118 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-25 05:33:33,122 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (365)] Ended with exit code 0 [2024-11-25 05:33:33,127 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:33:33,127 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-11-25 05:33:33,127 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-11-25 05:33:33,127 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-25 05:33:33,127 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:33:33,127 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 05:33:33,128 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 05:33:33,129 INFO L229 MonitoredProcess]: Starting monitored process 366 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 05:33:33,131 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (366)] Waiting until timeout for monitored process [2024-11-25 05:33:33,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:33:33,781 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 05:33:33,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:33:33,821 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 05:33:33,822 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 05:33:34,889 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-25 05:33:34,894 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (366)] Ended with exit code 0 [2024-11-25 05:33:34,899 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:33:34,899 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-11-25 05:33:34,899 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-11-25 05:33:34,900 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-25 05:33:34,900 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:33:34,900 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 05:33:34,900 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 05:33:34,902 INFO L229 MonitoredProcess]: Starting monitored process 367 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 05:33:34,903 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (367)] Waiting until timeout for monitored process [2024-11-25 05:33:35,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:33:35,687 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 05:33:35,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:33:35,730 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 05:33:35,731 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 05:33:36,816 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-25 05:33:36,820 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (367)] Ended with exit code 0 [2024-11-25 05:33:36,825 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:33:36,826 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-11-25 05:33:36,826 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-11-25 05:33:36,826 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-25 05:33:36,826 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:33:36,826 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 05:33:36,826 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 05:33:36,828 INFO L229 MonitoredProcess]: Starting monitored process 368 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 05:33:36,829 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (368)] Waiting until timeout for monitored process [2024-11-25 05:33:37,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:33:37,497 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 05:33:37,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:33:37,539 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-25 05:33:37,540 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 05:33:38,724 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-25 05:33:38,728 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (368)] Ended with exit code 0 [2024-11-25 05:33:38,738 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:33:38,738 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-11-25 05:33:38,738 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-11-25 05:33:38,738 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-25 05:33:38,738 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:33:38,738 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 05:33:38,739 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 05:33:38,740 INFO L229 MonitoredProcess]: Starting monitored process 369 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 05:33:38,741 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (369)] Waiting until timeout for monitored process [2024-11-25 05:33:39,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:33:39,401 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 05:33:39,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:33:39,438 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 05:33:39,439 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 05:33:40,563 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-25 05:33:40,567 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (369)] Ended with exit code 0 [2024-11-25 05:33:40,572 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:33:40,572 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-11-25 05:33:40,572 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-11-25 05:33:40,573 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-25 05:33:40,573 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:33:40,573 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 05:33:40,573 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 05:33:40,575 INFO L229 MonitoredProcess]: Starting monitored process 370 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 05:33:40,579 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (370)] Waiting until timeout for monitored process [2024-11-25 05:33:41,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:33:41,271 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 05:33:41,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:33:41,308 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 05:33:41,309 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 05:33:42,351 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-25 05:33:42,355 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (370)] Ended with exit code 0 [2024-11-25 05:33:42,360 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:33:42,361 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-11-25 05:33:42,361 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-11-25 05:33:42,361 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-25 05:33:42,361 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:33:42,361 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 05:33:42,361 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 05:33:42,363 INFO L229 MonitoredProcess]: Starting monitored process 371 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 05:33:42,364 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (371)] Waiting until timeout for monitored process [2024-11-25 05:33:43,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:33:43,050 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 05:33:43,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:33:43,085 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 05:33:43,086 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 05:33:44,161 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-25 05:33:44,165 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (371)] Forceful destruction successful, exit code 0 [2024-11-25 05:33:44,170 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:33:44,170 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-11-25 05:33:44,170 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-11-25 05:33:44,170 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-25 05:33:44,170 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:33:44,170 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 05:33:44,171 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 05:33:44,172 INFO L229 MonitoredProcess]: Starting monitored process 372 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 05:33:44,174 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (372)] Waiting until timeout for monitored process [2024-11-25 05:33:44,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:33:44,850 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 05:33:44,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:33:44,899 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 05:33:44,900 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 05:33:46,220 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-25 05:33:46,225 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (372)] Ended with exit code 0 [2024-11-25 05:33:46,233 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:33:46,233 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-11-25 05:33:46,233 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-11-25 05:33:46,233 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-25 05:33:46,233 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:33:46,234 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 05:33:46,234 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 05:33:46,238 INFO L229 MonitoredProcess]: Starting monitored process 373 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 05:33:46,239 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (373)] Waiting until timeout for monitored process [2024-11-25 05:33:46,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:33:46,933 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 05:33:46,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:33:46,986 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 05:33:46,987 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 05:33:48,070 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-25 05:33:48,074 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (373)] Forceful destruction successful, exit code 0 [2024-11-25 05:33:48,079 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:33:48,079 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-11-25 05:33:48,079 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-11-25 05:33:48,079 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-25 05:33:48,079 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:33:48,079 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 05:33:48,079 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 05:33:48,081 INFO L229 MonitoredProcess]: Starting monitored process 374 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 05:33:48,082 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (374)] Waiting until timeout for monitored process [2024-11-25 05:33:48,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:33:48,759 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 05:33:48,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:33:48,801 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-25 05:33:48,802 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 05:33:49,970 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-25 05:33:49,974 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (374)] Ended with exit code 0 [2024-11-25 05:33:49,983 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:33:49,983 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-11-25 05:33:49,983 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-11-25 05:33:49,984 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-25 05:33:49,984 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:33:49,984 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 05:33:49,984 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 05:33:49,985 INFO L229 MonitoredProcess]: Starting monitored process 375 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 05:33:49,987 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (375)] Waiting until timeout for monitored process [2024-11-25 05:33:50,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:33:50,682 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 05:33:50,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:33:50,720 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 05:33:50,721 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 05:33:51,973 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-25 05:33:51,977 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (375)] Ended with exit code 0 [2024-11-25 05:33:51,983 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:33:51,983 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-11-25 05:33:51,983 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-11-25 05:33:51,983 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-25 05:33:51,983 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:33:51,983 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 05:33:51,984 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 05:33:51,985 INFO L229 MonitoredProcess]: Starting monitored process 376 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 05:33:51,987 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (376)] Waiting until timeout for monitored process [2024-11-25 05:33:52,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:33:52,654 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 05:33:52,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:33:52,713 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 05:33:52,713 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 05:33:53,911 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-25 05:33:53,916 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (376)] Forceful destruction successful, exit code 0 [2024-11-25 05:33:53,922 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:33:53,922 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-11-25 05:33:53,922 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-11-25 05:33:53,922 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-25 05:33:53,922 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:33:53,922 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 05:33:53,923 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 05:33:53,924 INFO L229 MonitoredProcess]: Starting monitored process 377 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 05:33:53,926 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (377)] Waiting until timeout for monitored process [2024-11-25 05:33:54,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:33:54,619 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 05:33:54,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:33:54,658 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 05:33:54,659 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 05:33:55,903 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-25 05:33:55,908 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (377)] Ended with exit code 0 [2024-11-25 05:33:55,913 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:33:55,913 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-11-25 05:33:55,914 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-11-25 05:33:55,914 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-25 05:33:55,914 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:33:55,914 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 05:33:55,914 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 05:33:55,916 INFO L229 MonitoredProcess]: Starting monitored process 378 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 05:33:55,917 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (378)] Waiting until timeout for monitored process [2024-11-25 05:33:56,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:33:56,737 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 05:33:56,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:33:56,778 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-25 05:33:56,779 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 05:33:58,457 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-25 05:33:58,461 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (378)] Forceful destruction successful, exit code 0 [2024-11-25 05:33:58,467 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:33:58,467 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-11-25 05:33:58,467 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-11-25 05:33:58,467 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-25 05:33:58,467 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:33:58,467 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 05:33:58,467 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 05:33:58,469 INFO L229 MonitoredProcess]: Starting monitored process 379 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 05:33:58,470 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (379)] Waiting until timeout for monitored process [2024-11-25 05:33:59,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:33:59,182 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 05:33:59,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:33:59,220 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 05:33:59,221 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 05:34:00,394 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-25 05:34:00,399 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (379)] Ended with exit code 0 [2024-11-25 05:34:00,404 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:34:00,404 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-11-25 05:34:00,404 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-11-25 05:34:00,405 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-25 05:34:00,405 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:34:00,405 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 05:34:00,405 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 05:34:00,409 INFO L229 MonitoredProcess]: Starting monitored process 380 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 05:34:00,410 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (380)] Waiting until timeout for monitored process [2024-11-25 05:34:01,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:34:01,094 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 05:34:01,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:34:01,130 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 05:34:01,131 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 05:34:02,163 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-25 05:34:02,168 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (380)] Ended with exit code 0 [2024-11-25 05:34:02,173 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:34:02,173 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-11-25 05:34:02,173 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-11-25 05:34:02,174 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-25 05:34:02,174 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:34:02,174 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 05:34:02,174 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 05:34:02,175 INFO L229 MonitoredProcess]: Starting monitored process 381 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 05:34:02,177 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (381)] Waiting until timeout for monitored process [2024-11-25 05:34:02,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:34:02,859 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 05:34:02,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:34:02,897 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 05:34:02,897 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 05:34:04,104 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-25 05:34:04,108 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (381)] Ended with exit code 0 [2024-11-25 05:34:04,113 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:34:04,114 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-11-25 05:34:04,114 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-11-25 05:34:04,114 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-25 05:34:04,114 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:34:04,114 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 05:34:04,114 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 05:34:04,118 INFO L229 MonitoredProcess]: Starting monitored process 382 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 05:34:04,119 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (382)] Waiting until timeout for monitored process [2024-11-25 05:34:04,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:34:04,814 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 05:34:04,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:34:04,854 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 05:34:04,855 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 05:34:06,175 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-25 05:34:06,179 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (382)] Ended with exit code 0 [2024-11-25 05:34:06,184 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:34:06,184 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-11-25 05:34:06,184 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-11-25 05:34:06,184 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-25 05:34:06,184 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:34:06,184 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 05:34:06,184 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 05:34:06,186 INFO L229 MonitoredProcess]: Starting monitored process 383 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 05:34:06,187 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (383)] Waiting until timeout for monitored process [2024-11-25 05:34:06,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:34:06,794 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 05:34:06,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:34:06,857 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 05:34:06,858 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 05:34:07,884 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-25 05:34:07,888 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (383)] Ended with exit code 0 [2024-11-25 05:34:07,892 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:34:07,893 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-11-25 05:34:07,893 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-11-25 05:34:07,893 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-25 05:34:07,893 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:34:07,893 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 05:34:07,893 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 05:34:07,895 INFO L229 MonitoredProcess]: Starting monitored process 384 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 05:34:07,897 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (384)] Waiting until timeout for monitored process [2024-11-25 05:34:08,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:34:08,514 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 05:34:08,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:34:08,547 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 05:34:08,547 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 05:34:09,616 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-25 05:34:09,620 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (384)] Forceful destruction successful, exit code 0 [2024-11-25 05:34:09,625 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:34:09,625 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-11-25 05:34:09,625 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-11-25 05:34:09,625 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-25 05:34:09,625 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:34:09,626 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 05:34:09,626 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 05:34:09,628 INFO L229 MonitoredProcess]: Starting monitored process 385 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 05:34:09,630 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (385)] Waiting until timeout for monitored process [2024-11-25 05:34:10,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:34:10,241 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 05:34:10,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:34:10,275 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-25 05:34:10,276 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 05:34:11,294 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-25 05:34:11,300 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (385)] Ended with exit code 0 [2024-11-25 05:34:11,306 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:34:11,306 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-11-25 05:34:11,306 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-11-25 05:34:11,306 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-25 05:34:11,306 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:34:11,306 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 05:34:11,306 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 05:34:11,308 INFO L229 MonitoredProcess]: Starting monitored process 386 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 05:34:11,309 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (386)] Waiting until timeout for monitored process [2024-11-25 05:34:11,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:34:11,917 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 05:34:11,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:34:11,949 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-25 05:34:11,950 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 05:34:13,062 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-25 05:34:13,066 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (386)] Ended with exit code 0 [2024-11-25 05:34:13,071 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:34:13,071 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-11-25 05:34:13,072 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-11-25 05:34:13,072 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-25 05:34:13,072 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:34:13,072 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 05:34:13,072 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 05:34:13,073 INFO L229 MonitoredProcess]: Starting monitored process 387 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 05:34:13,075 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (387)] Waiting until timeout for monitored process [2024-11-25 05:34:13,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:34:13,677 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 05:34:13,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:34:13,709 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 05:34:13,710 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 05:34:14,678 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-25 05:34:14,683 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (387)] Ended with exit code 0 [2024-11-25 05:34:14,687 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:34:14,687 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-11-25 05:34:14,688 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-11-25 05:34:14,688 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-25 05:34:14,688 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:34:14,688 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 05:34:14,688 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 05:34:14,689 INFO L229 MonitoredProcess]: Starting monitored process 388 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 05:34:14,690 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (388)] Waiting until timeout for monitored process [2024-11-25 05:34:15,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:34:15,295 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 05:34:15,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:34:15,339 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 05:34:15,340 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 05:34:16,604 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-25 05:34:16,609 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (388)] Ended with exit code 0 [2024-11-25 05:34:16,614 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:34:16,614 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-11-25 05:34:16,614 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-11-25 05:34:16,615 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-25 05:34:16,615 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:34:16,615 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 05:34:16,615 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 05:34:16,616 INFO L229 MonitoredProcess]: Starting monitored process 389 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 05:34:16,618 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (389)] Waiting until timeout for monitored process [2024-11-25 05:34:17,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:34:17,291 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 05:34:17,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:34:17,329 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 05:34:17,329 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 05:34:18,521 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-25 05:34:18,526 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (389)] Ended with exit code 0 [2024-11-25 05:34:18,531 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:34:18,531 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-11-25 05:34:18,531 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-11-25 05:34:18,531 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-25 05:34:18,531 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:34:18,532 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 05:34:18,532 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 05:34:18,533 INFO L229 MonitoredProcess]: Starting monitored process 390 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 05:34:18,534 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (390)] Waiting until timeout for monitored process [2024-11-25 05:34:19,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:34:19,184 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 05:34:19,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:34:19,218 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 05:34:19,219 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 05:34:20,333 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-25 05:34:20,337 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (390)] Ended with exit code 0 [2024-11-25 05:34:20,343 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:34:20,343 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-11-25 05:34:20,343 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-11-25 05:34:20,343 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-25 05:34:20,343 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:34:20,343 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 05:34:20,343 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 05:34:20,345 INFO L229 MonitoredProcess]: Starting monitored process 391 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 05:34:20,346 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (391)] Waiting until timeout for monitored process [2024-11-25 05:34:21,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:34:21,013 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 05:34:21,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:34:21,053 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-25 05:34:21,053 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 05:34:22,223 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-25 05:34:22,227 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (391)] Ended with exit code 0 [2024-11-25 05:34:22,232 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:34:22,233 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-11-25 05:34:22,233 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-11-25 05:34:22,233 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-25 05:34:22,233 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:34:22,233 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 05:34:22,233 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 05:34:22,235 INFO L229 MonitoredProcess]: Starting monitored process 392 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 05:34:22,236 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (392)] Waiting until timeout for monitored process [2024-11-25 05:34:22,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:34:22,909 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 05:34:22,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:34:22,947 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 05:34:22,948 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 05:34:24,131 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-25 05:34:24,135 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (392)] Forceful destruction successful, exit code 0 [2024-11-25 05:34:24,140 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:34:24,141 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-11-25 05:34:24,141 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-11-25 05:34:24,141 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-25 05:34:24,141 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:34:24,141 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 05:34:24,141 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 05:34:24,143 INFO L229 MonitoredProcess]: Starting monitored process 393 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 05:34:24,144 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (393)] Waiting until timeout for monitored process [2024-11-25 05:34:24,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:34:24,841 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 05:34:24,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:34:24,886 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-25 05:34:24,887 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 05:34:26,296 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-25 05:34:26,301 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (393)] Forceful destruction successful, exit code 0 [2024-11-25 05:34:26,308 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:34:26,308 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-11-25 05:34:26,308 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-11-25 05:34:26,308 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-25 05:34:26,308 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:34:26,308 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 05:34:26,308 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 05:34:26,310 INFO L229 MonitoredProcess]: Starting monitored process 394 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 05:34:26,312 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (394)] Waiting until timeout for monitored process [2024-11-25 05:34:26,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:34:26,995 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 05:34:27,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:34:27,031 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 05:34:27,031 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 05:34:28,170 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-25 05:34:28,175 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (394)] Ended with exit code 0 [2024-11-25 05:34:28,179 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:34:28,180 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-11-25 05:34:28,180 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-11-25 05:34:28,180 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-25 05:34:28,180 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:34:28,180 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 05:34:28,180 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 05:34:28,182 INFO L229 MonitoredProcess]: Starting monitored process 395 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 05:34:28,183 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (395)] Waiting until timeout for monitored process [2024-11-25 05:34:28,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:34:28,826 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 05:34:28,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:34:28,861 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-25 05:34:28,862 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 05:34:29,908 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-25 05:34:29,912 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (395)] Forceful destruction successful, exit code 0 [2024-11-25 05:34:29,917 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:34:29,917 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-11-25 05:34:29,918 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-11-25 05:34:29,918 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-25 05:34:29,918 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:34:29,918 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 05:34:29,918 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 05:34:29,920 INFO L229 MonitoredProcess]: Starting monitored process 396 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 05:34:29,921 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (396)] Waiting until timeout for monitored process [2024-11-25 05:34:30,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:34:30,566 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 05:34:30,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:34:30,600 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 05:34:30,601 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 05:34:31,601 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-25 05:34:31,605 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (396)] Ended with exit code 0 [2024-11-25 05:34:31,610 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:34:31,610 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-11-25 05:34:31,610 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-11-25 05:34:31,610 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-25 05:34:31,610 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:34:31,610 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 05:34:31,610 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 05:34:31,612 INFO L229 MonitoredProcess]: Starting monitored process 397 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 05:34:31,614 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (397)] Waiting until timeout for monitored process [2024-11-25 05:34:32,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:34:32,287 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 05:34:32,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:34:32,325 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 05:34:32,326 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 05:34:33,278 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-25 05:34:33,282 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (397)] Forceful destruction successful, exit code 0 [2024-11-25 05:34:33,287 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:34:33,287 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-11-25 05:34:33,287 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-11-25 05:34:33,287 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-25 05:34:33,287 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:34:33,288 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 05:34:33,288 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 05:34:33,289 INFO L229 MonitoredProcess]: Starting monitored process 398 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 05:34:33,290 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (398)] Waiting until timeout for monitored process [2024-11-25 05:34:33,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:34:33,922 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 05:34:33,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:34:33,959 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 05:34:33,960 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 05:34:35,081 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-25 05:34:35,085 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (398)] Ended with exit code 0 [2024-11-25 05:34:35,090 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:34:35,090 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-11-25 05:34:35,090 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-11-25 05:34:35,090 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-25 05:34:35,090 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:34:35,090 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 05:34:35,090 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 05:34:35,092 INFO L229 MonitoredProcess]: Starting monitored process 399 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 05:34:35,093 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (399)] Waiting until timeout for monitored process [2024-11-25 05:34:35,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:34:35,939 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 05:34:35,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:34:35,977 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 05:34:35,977 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 05:34:37,075 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-25 05:34:37,079 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (399)] Ended with exit code 0 [2024-11-25 05:34:37,084 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:34:37,084 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-11-25 05:34:37,084 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-11-25 05:34:37,084 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-25 05:34:37,084 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:34:37,084 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 05:34:37,084 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 05:34:37,086 INFO L229 MonitoredProcess]: Starting monitored process 400 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 05:34:37,087 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (400)] Waiting until timeout for monitored process [2024-11-25 05:34:37,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:34:37,703 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 05:34:37,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:34:37,740 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 05:34:37,741 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 05:34:38,706 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-25 05:34:38,710 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (400)] Ended with exit code 0 [2024-11-25 05:34:38,714 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:34:38,714 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-11-25 05:34:38,714 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-11-25 05:34:38,715 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-25 05:34:38,715 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:34:38,715 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 05:34:38,715 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 05:34:38,716 INFO L229 MonitoredProcess]: Starting monitored process 401 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 05:34:38,718 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (401)] Waiting until timeout for monitored process [2024-11-25 05:34:39,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:34:39,342 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 05:34:39,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:34:39,425 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 05:34:39,425 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 05:34:40,452 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-25 05:34:40,456 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (401)] Ended with exit code 0 [2024-11-25 05:34:40,462 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:34:40,462 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-11-25 05:34:40,462 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-11-25 05:34:40,462 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-25 05:34:40,462 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:34:40,462 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 05:34:40,462 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 05:34:40,464 INFO L229 MonitoredProcess]: Starting monitored process 402 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 05:34:40,466 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (402)] Waiting until timeout for monitored process [2024-11-25 05:34:41,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:34:41,091 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 05:34:41,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:34:41,132 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 05:34:41,132 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 05:34:42,398 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-25 05:34:42,402 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (402)] Ended with exit code 0 [2024-11-25 05:34:42,406 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:34:42,406 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-11-25 05:34:42,407 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-11-25 05:34:42,407 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-25 05:34:42,407 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:34:42,407 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 05:34:42,407 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 05:34:42,411 INFO L229 MonitoredProcess]: Starting monitored process 403 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 05:34:42,414 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (403)] Waiting until timeout for monitored process [2024-11-25 05:34:43,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:34:43,233 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 05:34:43,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:34:43,268 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-25 05:34:43,269 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 05:34:44,574 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-25 05:34:44,578 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (403)] Ended with exit code 0 [2024-11-25 05:34:44,583 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:34:44,583 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-11-25 05:34:44,583 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-11-25 05:34:44,583 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-25 05:34:44,583 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:34:44,583 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 05:34:44,583 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 05:34:44,585 INFO L229 MonitoredProcess]: Starting monitored process 404 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 05:34:44,586 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (404)] Waiting until timeout for monitored process [2024-11-25 05:34:45,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:34:45,214 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 05:34:45,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:34:45,254 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 05:34:45,255 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 05:34:46,687 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-25 05:34:46,691 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (404)] Ended with exit code 0 [2024-11-25 05:34:46,696 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:34:46,696 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-11-25 05:34:46,696 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-11-25 05:34:46,696 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-25 05:34:46,696 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:34:46,697 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 05:34:46,697 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 05:34:46,698 INFO L229 MonitoredProcess]: Starting monitored process 405 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 05:34:46,700 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (405)] Waiting until timeout for monitored process [2024-11-25 05:34:47,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:34:47,391 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 05:34:47,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:34:47,441 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 05:34:47,442 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 05:34:48,607 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-25 05:34:48,611 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (405)] Ended with exit code 0 [2024-11-25 05:34:48,616 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:34:48,617 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-11-25 05:34:48,617 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-11-25 05:34:48,617 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-25 05:34:48,617 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:34:48,617 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 05:34:48,617 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 05:34:48,619 INFO L229 MonitoredProcess]: Starting monitored process 406 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 05:34:48,620 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (406)] Waiting until timeout for monitored process [2024-11-25 05:34:49,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:34:49,281 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 05:34:49,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:34:49,322 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 05:34:49,322 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 05:34:50,487 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-25 05:34:50,491 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (406)] Ended with exit code 0 [2024-11-25 05:34:50,497 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:34:50,497 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-11-25 05:34:50,497 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-11-25 05:34:50,497 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-25 05:34:50,497 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:34:50,497 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 05:34:50,497 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 05:34:50,499 INFO L229 MonitoredProcess]: Starting monitored process 407 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 05:34:50,501 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (407)] Waiting until timeout for monitored process [2024-11-25 05:34:51,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:34:51,189 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 05:34:51,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:34:51,228 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 05:34:51,229 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 05:34:52,445 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-25 05:34:52,449 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (407)] Ended with exit code 0 [2024-11-25 05:34:52,454 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:34:52,454 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-11-25 05:34:52,454 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-11-25 05:34:52,454 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-25 05:34:52,454 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:34:52,454 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 05:34:52,455 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 05:34:52,456 INFO L229 MonitoredProcess]: Starting monitored process 408 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 05:34:52,457 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (408)] Waiting until timeout for monitored process [2024-11-25 05:34:53,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:34:53,098 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 05:34:53,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:34:53,136 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 05:34:53,137 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 05:34:54,358 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-25 05:34:54,362 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (408)] Ended with exit code 0 [2024-11-25 05:34:54,367 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:34:54,367 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-11-25 05:34:54,367 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-11-25 05:34:54,367 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-25 05:34:54,368 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:34:54,368 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 05:34:54,368 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 05:34:54,369 INFO L229 MonitoredProcess]: Starting monitored process 409 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 05:34:54,373 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (409)] Waiting until timeout for monitored process [2024-11-25 05:34:55,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:34:55,024 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 05:34:55,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:34:55,060 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 05:34:55,061 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 05:34:56,359 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-25 05:34:56,363 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (409)] Ended with exit code 0 [2024-11-25 05:34:56,368 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:34:56,368 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-11-25 05:34:56,368 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-11-25 05:34:56,368 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-25 05:34:56,368 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:34:56,368 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 05:34:56,368 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 05:34:56,370 INFO L229 MonitoredProcess]: Starting monitored process 410 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 05:34:56,371 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (410)] Waiting until timeout for monitored process [2024-11-25 05:34:57,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:34:57,020 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 05:34:57,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:34:57,054 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 05:34:57,054 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 05:34:57,853 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-25 05:34:57,858 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (410)] Forceful destruction successful, exit code 0 [2024-11-25 05:34:57,863 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:34:57,863 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-11-25 05:34:57,863 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-11-25 05:34:57,863 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-25 05:34:57,863 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:34:57,863 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 05:34:57,863 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 05:34:57,865 INFO L229 MonitoredProcess]: Starting monitored process 411 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 05:34:57,866 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (411)] Waiting until timeout for monitored process [2024-11-25 05:34:58,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:34:58,488 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 05:34:58,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:34:58,533 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 05:34:58,534 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 05:34:59,564 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-25 05:34:59,568 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (411)] Ended with exit code 0 [2024-11-25 05:34:59,573 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:34:59,573 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-11-25 05:34:59,573 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-11-25 05:34:59,574 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-25 05:34:59,574 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:34:59,574 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 05:34:59,574 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 05:34:59,575 INFO L229 MonitoredProcess]: Starting monitored process 412 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 05:34:59,576 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (412)] Waiting until timeout for monitored process [2024-11-25 05:35:00,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:35:00,210 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 05:35:00,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:35:00,244 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 05:35:00,245 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 05:35:01,359 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-25 05:35:01,364 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (412)] Ended with exit code 0 [2024-11-25 05:35:01,369 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:35:01,369 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-11-25 05:35:01,369 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-11-25 05:35:01,369 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-25 05:35:01,369 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:35:01,369 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 05:35:01,370 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 05:35:01,371 INFO L229 MonitoredProcess]: Starting monitored process 413 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 05:35:01,373 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (413)] Waiting until timeout for monitored process [2024-11-25 05:35:01,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:35:01,990 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 05:35:02,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:35:02,025 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 05:35:02,026 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 05:35:03,094 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-25 05:35:03,098 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (413)] Ended with exit code 0 [2024-11-25 05:35:03,103 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:35:03,104 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-11-25 05:35:03,104 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-11-25 05:35:03,104 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-25 05:35:03,104 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:35:03,104 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 05:35:03,104 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 05:35:03,106 INFO L229 MonitoredProcess]: Starting monitored process 414 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 05:35:03,107 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (414)] Waiting until timeout for monitored process [2024-11-25 05:35:03,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:35:03,745 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 05:35:03,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:35:03,780 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 05:35:03,781 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 05:35:04,865 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-25 05:35:04,870 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (414)] Ended with exit code 0 [2024-11-25 05:35:04,875 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:35:04,875 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-11-25 05:35:04,875 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-11-25 05:35:04,876 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-25 05:35:04,876 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:35:04,876 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 05:35:04,876 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 05:35:04,877 INFO L229 MonitoredProcess]: Starting monitored process 415 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 05:35:04,879 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (415)] Waiting until timeout for monitored process [2024-11-25 05:35:05,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:35:05,617 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 05:35:05,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:35:05,667 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-25 05:35:05,668 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 05:35:07,046 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-25 05:35:07,050 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (415)] Ended with exit code 0 [2024-11-25 05:35:07,058 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:35:07,058 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-11-25 05:35:07,058 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-11-25 05:35:07,058 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-25 05:35:07,058 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:35:07,058 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 05:35:07,058 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 05:35:07,060 INFO L229 MonitoredProcess]: Starting monitored process 416 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 05:35:07,061 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (416)] Waiting until timeout for monitored process [2024-11-25 05:35:07,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:35:07,804 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 05:35:07,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:35:07,855 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 05:35:07,856 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 05:35:09,312 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-25 05:35:09,320 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (416)] Ended with exit code 0 [2024-11-25 05:35:09,333 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:35:09,334 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-11-25 05:35:09,334 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-11-25 05:35:09,334 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-25 05:35:09,334 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:35:09,334 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 05:35:09,334 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 05:35:09,340 INFO L229 MonitoredProcess]: Starting monitored process 417 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 05:35:09,344 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (417)] Waiting until timeout for monitored process [2024-11-25 05:35:10,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:35:10,198 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 05:35:10,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:35:10,241 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 05:35:10,242 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 05:35:12,019 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-25 05:35:12,024 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (417)] Ended with exit code 0 [2024-11-25 05:35:12,029 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:35:12,029 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-11-25 05:35:12,029 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-11-25 05:35:12,029 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-25 05:35:12,029 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:35:12,030 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 05:35:12,030 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 05:35:12,031 INFO L229 MonitoredProcess]: Starting monitored process 418 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 05:35:12,033 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (418)] Waiting until timeout for monitored process [2024-11-25 05:35:12,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:35:12,722 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 05:35:12,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:35:12,759 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 05:35:12,760 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 05:35:13,892 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-25 05:35:13,897 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (418)] Ended with exit code 0 [2024-11-25 05:35:13,902 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:35:13,902 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-11-25 05:35:13,902 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-11-25 05:35:13,902 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-25 05:35:13,902 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:35:13,902 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 05:35:13,903 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 05:35:13,904 INFO L229 MonitoredProcess]: Starting monitored process 419 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 05:35:13,905 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (419)] Waiting until timeout for monitored process [2024-11-25 05:35:14,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:35:14,815 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 05:35:14,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:35:14,868 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 05:35:14,869 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 05:35:16,687 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-25 05:35:16,694 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (419)] Ended with exit code 0 [2024-11-25 05:35:16,703 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:35:16,703 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-11-25 05:35:16,703 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-11-25 05:35:16,704 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-25 05:35:16,704 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:35:16,704 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 05:35:16,705 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 05:35:16,707 INFO L229 MonitoredProcess]: Starting monitored process 420 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 05:35:16,709 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (420)] Waiting until timeout for monitored process [2024-11-25 05:35:17,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:35:17,450 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 05:35:17,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:35:17,489 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 05:35:17,490 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 05:35:18,662 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-25 05:35:18,667 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (420)] Ended with exit code 0 [2024-11-25 05:35:18,678 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:35:18,678 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-11-25 05:35:18,678 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-11-25 05:35:18,678 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-25 05:35:18,678 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:35:18,678 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 05:35:18,679 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 05:35:18,681 INFO L229 MonitoredProcess]: Starting monitored process 421 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 05:35:18,682 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (421)] Waiting until timeout for monitored process [2024-11-25 05:35:19,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:35:19,393 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 05:35:19,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:35:19,450 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 05:35:19,451 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 05:35:20,866 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-25 05:35:20,871 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (421)] Ended with exit code 0 [2024-11-25 05:35:20,878 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:35:20,879 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-11-25 05:35:20,879 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-11-25 05:35:20,879 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-25 05:35:20,879 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:35:20,879 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 05:35:20,879 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 05:35:20,881 INFO L229 MonitoredProcess]: Starting monitored process 422 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 05:35:20,883 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (422)] Waiting until timeout for monitored process [2024-11-25 05:35:21,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:35:21,596 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 05:35:21,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:35:21,634 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 05:35:21,635 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 05:35:22,664 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-25 05:35:22,669 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (422)] Ended with exit code 0 [2024-11-25 05:35:22,674 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:35:22,674 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-11-25 05:35:22,674 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-11-25 05:35:22,675 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-25 05:35:22,675 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:35:22,675 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 05:35:22,675 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 05:35:22,677 INFO L229 MonitoredProcess]: Starting monitored process 423 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 05:35:22,678 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (423)] Waiting until timeout for monitored process [2024-11-25 05:35:23,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:35:23,404 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 05:35:23,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:35:23,444 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 05:35:23,445 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 05:35:24,619 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-25 05:35:24,624 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (423)] Ended with exit code 0 [2024-11-25 05:35:24,629 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:35:24,629 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-11-25 05:35:24,629 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-11-25 05:35:24,629 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-25 05:35:24,629 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:35:24,629 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 05:35:24,630 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 05:35:24,631 INFO L229 MonitoredProcess]: Starting monitored process 424 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 05:35:24,633 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (424)] Waiting until timeout for monitored process [2024-11-25 05:35:25,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:35:25,360 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 05:35:25,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:35:25,406 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 05:35:25,407 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 05:35:26,697 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-25 05:35:26,701 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (424)] Ended with exit code 0 [2024-11-25 05:35:26,707 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:35:26,707 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-11-25 05:35:26,707 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-11-25 05:35:26,707 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-25 05:35:26,707 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:35:26,707 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 05:35:26,707 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 05:35:26,709 INFO L229 MonitoredProcess]: Starting monitored process 425 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 05:35:26,711 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (425)] Waiting until timeout for monitored process [2024-11-25 05:35:27,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:35:27,325 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 05:35:27,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:35:27,357 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 05:35:27,358 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 05:35:28,168 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-25 05:35:28,172 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (425)] Forceful destruction successful, exit code 0 [2024-11-25 05:35:28,176 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:35:28,176 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-11-25 05:35:28,176 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-11-25 05:35:28,176 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-25 05:35:28,176 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:35:28,177 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 05:35:28,177 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 05:35:28,178 INFO L229 MonitoredProcess]: Starting monitored process 426 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 05:35:28,180 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (426)] Waiting until timeout for monitored process [2024-11-25 05:35:28,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:35:28,797 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 05:35:28,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:35:28,830 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 05:35:28,831 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 05:35:29,875 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-25 05:35:29,879 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (426)] Ended with exit code 0 [2024-11-25 05:35:29,883 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:35:29,883 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-11-25 05:35:29,883 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-11-25 05:35:29,883 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-25 05:35:29,883 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:35:29,884 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 05:35:29,884 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 05:35:29,885 INFO L229 MonitoredProcess]: Starting monitored process 427 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 05:35:29,887 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (427)] Waiting until timeout for monitored process [2024-11-25 05:35:30,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:35:30,505 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 05:35:30,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:35:30,538 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 05:35:30,538 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 05:35:31,403 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-25 05:35:31,408 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (427)] Ended with exit code 0 [2024-11-25 05:35:31,412 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:35:31,412 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-11-25 05:35:31,412 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-11-25 05:35:31,413 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-25 05:35:31,413 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:35:31,413 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 05:35:31,413 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 05:35:31,414 INFO L229 MonitoredProcess]: Starting monitored process 428 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 05:35:31,416 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (428)] Waiting until timeout for monitored process [2024-11-25 05:35:32,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:35:32,031 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 05:35:32,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:35:32,066 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 05:35:32,067 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 05:35:33,321 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-25 05:35:33,325 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (428)] Ended with exit code 0 [2024-11-25 05:35:33,330 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:35:33,330 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-11-25 05:35:33,330 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-11-25 05:35:33,330 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-25 05:35:33,330 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:35:33,330 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 05:35:33,330 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 05:35:33,332 INFO L229 MonitoredProcess]: Starting monitored process 429 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 05:35:33,333 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (429)] Waiting until timeout for monitored process [2024-11-25 05:35:33,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:35:33,944 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 05:35:33,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:35:33,976 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 05:35:33,977 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 05:35:35,132 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-25 05:35:35,136 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (429)] Ended with exit code 0 [2024-11-25 05:35:35,140 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:35:35,141 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-11-25 05:35:35,141 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-11-25 05:35:35,141 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-25 05:35:35,141 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:35:35,141 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 05:35:35,141 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 05:35:35,142 INFO L229 MonitoredProcess]: Starting monitored process 430 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 05:35:35,144 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (430)] Waiting until timeout for monitored process [2024-11-25 05:35:35,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:35:35,893 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 05:35:35,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:35:35,939 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 05:35:35,940 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 05:35:37,097 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-25 05:35:37,102 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (430)] Ended with exit code 0 [2024-11-25 05:35:37,107 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:35:37,107 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-11-25 05:35:37,107 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-11-25 05:35:37,107 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-25 05:35:37,107 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:35:37,107 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 05:35:37,108 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 05:35:37,109 INFO L229 MonitoredProcess]: Starting monitored process 431 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 05:35:37,110 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (431)] Waiting until timeout for monitored process [2024-11-25 05:35:37,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:35:37,811 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 05:35:37,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:35:37,857 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 05:35:37,858 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 05:35:38,960 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-25 05:35:38,966 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (431)] Ended with exit code 0 [2024-11-25 05:35:38,971 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:35:38,971 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-11-25 05:35:38,971 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-11-25 05:35:38,971 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-25 05:35:38,971 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:35:38,972 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 05:35:38,972 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 05:35:38,974 INFO L229 MonitoredProcess]: Starting monitored process 432 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 05:35:38,977 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (432)] Waiting until timeout for monitored process [2024-11-25 05:35:39,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:35:39,690 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 05:35:39,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:35:39,729 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 05:35:39,730 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 05:35:41,022 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-25 05:35:41,027 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (432)] Ended with exit code 0 [2024-11-25 05:35:41,032 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:35:41,032 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-11-25 05:35:41,032 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-11-25 05:35:41,032 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-25 05:35:41,032 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:35:41,032 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 05:35:41,032 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 05:35:41,034 INFO L229 MonitoredProcess]: Starting monitored process 433 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 05:35:41,036 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (433)] Waiting until timeout for monitored process [2024-11-25 05:35:41,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:35:41,726 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 05:35:41,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:35:41,766 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-25 05:35:41,766 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 05:35:43,335 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-25 05:35:43,340 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (433)] Ended with exit code 0 [2024-11-25 05:35:43,349 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:35:43,349 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-11-25 05:35:43,349 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-11-25 05:35:43,350 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-25 05:35:43,350 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:35:43,350 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 05:35:43,350 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 05:35:43,351 INFO L229 MonitoredProcess]: Starting monitored process 434 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 05:35:43,353 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (434)] Waiting until timeout for monitored process [2024-11-25 05:35:44,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:35:44,079 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 05:35:44,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:35:44,117 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 05:35:44,118 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 05:35:45,435 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-25 05:35:45,443 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (434)] Ended with exit code 0 [2024-11-25 05:35:45,451 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:35:45,452 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-11-25 05:35:45,452 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-11-25 05:35:45,452 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-25 05:35:45,452 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:35:45,452 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 05:35:45,453 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 05:35:45,455 INFO L229 MonitoredProcess]: Starting monitored process 435 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 05:35:45,458 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (435)] Waiting until timeout for monitored process [2024-11-25 05:35:46,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:35:46,327 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 05:35:46,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:35:46,371 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-25 05:35:46,372 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 05:35:47,539 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-25 05:35:47,543 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (435)] Ended with exit code 0 [2024-11-25 05:35:47,552 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:35:47,552 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-11-25 05:35:47,552 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-11-25 05:35:47,553 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-25 05:35:47,553 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:35:47,553 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 05:35:47,553 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 05:35:47,555 INFO L229 MonitoredProcess]: Starting monitored process 436 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 05:35:47,556 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (436)] Waiting until timeout for monitored process [2024-11-25 05:35:48,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:35:48,238 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 05:35:48,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:35:48,276 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-25 05:35:48,277 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 05:35:49,423 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-25 05:35:49,428 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (436)] Forceful destruction successful, exit code 0 [2024-11-25 05:35:49,436 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:35:49,436 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-11-25 05:35:49,436 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-11-25 05:35:49,436 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-25 05:35:49,436 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:35:49,436 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 05:35:49,436 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 05:35:49,440 INFO L229 MonitoredProcess]: Starting monitored process 437 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 05:35:49,441 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (437)] Waiting until timeout for monitored process [2024-11-25 05:35:50,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:35:50,178 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 05:35:50,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:35:50,216 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 05:35:50,217 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 05:35:51,235 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-25 05:35:51,239 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (437)] Ended with exit code 0 [2024-11-25 05:35:51,244 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:35:51,245 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-11-25 05:35:51,245 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-11-25 05:35:51,245 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-25 05:35:51,245 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:35:51,245 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 05:35:51,245 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 05:35:51,247 INFO L229 MonitoredProcess]: Starting monitored process 438 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 05:35:51,249 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (438)] Waiting until timeout for monitored process [2024-11-25 05:35:51,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:35:51,953 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 05:35:51,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:35:51,994 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-25 05:35:51,995 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 05:35:53,161 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-25 05:35:53,166 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (438)] Ended with exit code 0 [2024-11-25 05:35:53,175 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:35:53,175 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-11-25 05:35:53,175 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-11-25 05:35:53,175 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-25 05:35:53,175 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:35:53,176 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 05:35:53,176 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 05:35:53,178 INFO L229 MonitoredProcess]: Starting monitored process 439 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 05:35:53,185 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (439)] Waiting until timeout for monitored process [2024-11-25 05:35:53,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:35:53,898 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 05:35:53,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:35:53,936 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 05:35:53,937 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 05:35:55,108 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-25 05:35:55,117 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (439)] Ended with exit code 0 [2024-11-25 05:35:55,123 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:35:55,123 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-11-25 05:35:55,123 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-11-25 05:35:55,124 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-25 05:35:55,124 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:35:55,124 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 05:35:55,124 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 05:35:55,126 INFO L229 MonitoredProcess]: Starting monitored process 440 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 05:35:55,127 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (440)] Waiting until timeout for monitored process [2024-11-25 05:35:55,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:35:55,851 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 05:35:55,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:35:55,885 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 05:35:55,886 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 05:35:57,042 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-25 05:35:57,046 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (440)] Ended with exit code 0 [2024-11-25 05:35:57,051 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:35:57,051 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-11-25 05:35:57,051 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-11-25 05:35:57,052 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-25 05:35:57,052 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:35:57,052 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 05:35:57,052 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 05:35:57,053 INFO L229 MonitoredProcess]: Starting monitored process 441 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 05:35:57,054 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (441)] Waiting until timeout for monitored process [2024-11-25 05:35:57,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:35:57,712 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 05:35:57,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:35:57,750 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-25 05:35:57,751 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 05:35:58,882 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-25 05:35:58,887 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (441)] Ended with exit code 0 [2024-11-25 05:35:58,897 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:35:58,897 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-11-25 05:35:58,898 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-11-25 05:35:58,898 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-25 05:35:58,898 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:35:58,898 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 05:35:58,898 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 05:35:58,900 INFO L229 MonitoredProcess]: Starting monitored process 442 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 05:35:58,902 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (442)] Waiting until timeout for monitored process [2024-11-25 05:35:59,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:35:59,640 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 05:35:59,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:35:59,678 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 05:35:59,678 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 05:36:00,899 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-25 05:36:00,904 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (442)] Forceful destruction successful, exit code 0 [2024-11-25 05:36:00,909 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:36:00,909 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-11-25 05:36:00,909 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-11-25 05:36:00,910 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-25 05:36:00,910 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:36:00,910 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 05:36:00,910 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 05:36:00,911 INFO L229 MonitoredProcess]: Starting monitored process 443 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 05:36:00,912 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (443)] Waiting until timeout for monitored process [2024-11-25 05:36:01,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:36:01,623 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 05:36:01,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:36:01,663 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-25 05:36:01,663 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 05:36:02,909 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-25 05:36:02,914 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (443)] Ended with exit code 0 [2024-11-25 05:36:02,921 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:36:02,921 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-11-25 05:36:02,922 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-11-25 05:36:02,922 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-25 05:36:02,922 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:36:02,922 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 05:36:02,922 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 05:36:02,926 INFO L229 MonitoredProcess]: Starting monitored process 444 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 05:36:02,927 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (444)] Waiting until timeout for monitored process [2024-11-25 05:36:03,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:36:03,809 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 05:36:03,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:36:03,849 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 05:36:03,850 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 05:36:04,997 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-25 05:36:05,001 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (444)] Ended with exit code 0 [2024-11-25 05:36:05,007 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:36:05,007 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-11-25 05:36:05,008 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-11-25 05:36:05,008 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-25 05:36:05,008 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:36:05,008 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 05:36:05,008 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 05:36:05,010 INFO L229 MonitoredProcess]: Starting monitored process 445 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 05:36:05,011 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (445)] Waiting until timeout for monitored process [2024-11-25 05:36:05,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:36:05,829 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 05:36:05,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:36:05,870 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 05:36:05,871 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 05:36:07,037 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-25 05:36:07,042 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (445)] Forceful destruction successful, exit code 0 [2024-11-25 05:36:07,047 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:36:07,047 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-11-25 05:36:07,047 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-11-25 05:36:07,048 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-25 05:36:07,048 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:36:07,048 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 05:36:07,048 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 05:36:07,052 INFO L229 MonitoredProcess]: Starting monitored process 446 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 05:36:07,054 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (446)] Waiting until timeout for monitored process [2024-11-25 05:36:07,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:36:07,882 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 05:36:07,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:36:07,923 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 05:36:07,923 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 05:36:09,633 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-25 05:36:09,638 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (446)] Ended with exit code 0 [2024-11-25 05:36:09,643 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:36:09,644 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-11-25 05:36:09,644 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-11-25 05:36:09,644 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-25 05:36:09,644 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:36:09,644 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 05:36:09,644 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 05:36:09,647 INFO L229 MonitoredProcess]: Starting monitored process 447 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 05:36:09,648 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (447)] Waiting until timeout for monitored process [2024-11-25 05:36:10,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:36:10,384 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 05:36:10,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:36:10,427 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 05:36:10,427 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 05:36:11,626 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-25 05:36:11,631 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (447)] Ended with exit code 0 [2024-11-25 05:36:11,636 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:36:11,637 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-11-25 05:36:11,637 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-11-25 05:36:11,637 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-25 05:36:11,637 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:36:11,637 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 05:36:11,637 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 05:36:11,639 INFO L229 MonitoredProcess]: Starting monitored process 448 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 05:36:11,640 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (448)] Waiting until timeout for monitored process [2024-11-25 05:36:12,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:36:12,329 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 05:36:12,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:36:12,371 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 05:36:12,372 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 05:36:13,388 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-25 05:36:13,393 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (448)] Ended with exit code 0 [2024-11-25 05:36:13,398 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:36:13,398 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-11-25 05:36:13,398 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-11-25 05:36:13,398 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-25 05:36:13,399 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:36:13,399 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 05:36:13,399 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 05:36:13,401 INFO L229 MonitoredProcess]: Starting monitored process 449 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 05:36:13,402 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (449)] Waiting until timeout for monitored process [2024-11-25 05:36:14,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:36:14,106 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 05:36:14,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:36:14,148 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-25 05:36:14,149 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 05:36:15,678 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-25 05:36:15,686 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (449)] Forceful destruction successful, exit code 0 [2024-11-25 05:36:15,698 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:36:15,699 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-11-25 05:36:15,699 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-11-25 05:36:15,699 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-25 05:36:15,699 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:36:15,699 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 05:36:15,699 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 05:36:15,703 INFO L229 MonitoredProcess]: Starting monitored process 450 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 05:36:15,716 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (450)] Waiting until timeout for monitored process [2024-11-25 05:36:16,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:36:16,472 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 05:36:16,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:36:16,512 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 05:36:16,512 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 05:36:17,680 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-25 05:36:17,684 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (450)] Forceful destruction successful, exit code 0 [2024-11-25 05:36:17,689 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:36:17,689 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-11-25 05:36:17,689 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-11-25 05:36:17,689 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-25 05:36:17,689 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:36:17,689 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 05:36:17,689 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 05:36:17,691 INFO L229 MonitoredProcess]: Starting monitored process 451 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 05:36:17,693 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (451)] Waiting until timeout for monitored process [2024-11-25 05:36:18,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:36:18,361 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 05:36:18,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:36:18,401 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-25 05:36:18,401 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 05:36:19,750 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-25 05:36:19,755 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (451)] Ended with exit code 0 [2024-11-25 05:36:19,761 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:36:19,761 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-11-25 05:36:19,761 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-11-25 05:36:19,761 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-25 05:36:19,761 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:36:19,761 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 05:36:19,761 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 05:36:19,763 INFO L229 MonitoredProcess]: Starting monitored process 452 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 05:36:19,764 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (452)] Waiting until timeout for monitored process [2024-11-25 05:36:20,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:36:20,442 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 05:36:20,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:36:20,481 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 05:36:20,482 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 05:36:21,741 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-25 05:36:21,746 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (452)] Ended with exit code 0 [2024-11-25 05:36:21,751 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:36:21,751 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-11-25 05:36:21,751 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-11-25 05:36:21,752 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-25 05:36:21,752 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:36:21,752 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 05:36:21,752 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 05:36:21,753 INFO L229 MonitoredProcess]: Starting monitored process 453 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 05:36:21,755 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (453)] Waiting until timeout for monitored process [2024-11-25 05:36:22,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:36:22,440 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 05:36:22,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:36:22,484 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-25 05:36:22,485 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 05:36:23,656 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-25 05:36:23,661 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (453)] Ended with exit code 0 [2024-11-25 05:36:23,666 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:36:23,667 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-11-25 05:36:23,667 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-11-25 05:36:23,667 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-25 05:36:23,667 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:36:23,667 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 05:36:23,667 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 05:36:23,669 INFO L229 MonitoredProcess]: Starting monitored process 454 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 05:36:23,670 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (454)] Waiting until timeout for monitored process [2024-11-25 05:36:24,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:36:24,364 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 05:36:24,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:36:24,403 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 05:36:24,403 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 05:36:25,687 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-25 05:36:25,691 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (454)] Ended with exit code 0 [2024-11-25 05:36:25,696 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:36:25,697 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-11-25 05:36:25,697 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-11-25 05:36:25,697 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-25 05:36:25,697 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:36:25,697 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 05:36:25,697 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 05:36:25,699 INFO L229 MonitoredProcess]: Starting monitored process 455 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 05:36:25,703 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (455)] Waiting until timeout for monitored process [2024-11-25 05:36:26,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:36:26,418 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 05:36:26,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:36:26,460 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-25 05:36:26,461 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 05:36:27,508 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-25 05:36:27,512 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (455)] Ended with exit code 0 [2024-11-25 05:36:27,520 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:36:27,520 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-11-25 05:36:27,520 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-11-25 05:36:27,520 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-25 05:36:27,520 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:36:27,520 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 05:36:27,520 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 05:36:27,522 INFO L229 MonitoredProcess]: Starting monitored process 456 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 05:36:27,523 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (456)] Waiting until timeout for monitored process [2024-11-25 05:36:28,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:36:28,222 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 05:36:28,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:36:28,261 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 05:36:28,261 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 05:36:29,448 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-25 05:36:29,453 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (456)] Ended with exit code 0 [2024-11-25 05:36:29,458 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:36:29,458 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-11-25 05:36:29,458 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-11-25 05:36:29,459 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-25 05:36:29,459 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:36:29,459 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 05:36:29,459 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 05:36:29,460 INFO L229 MonitoredProcess]: Starting monitored process 457 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 05:36:29,462 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (457)] Waiting until timeout for monitored process [2024-11-25 05:36:30,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:36:30,100 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 05:36:30,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:36:30,146 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 05:36:30,147 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 05:36:31,300 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-25 05:36:31,305 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (457)] Ended with exit code 0 [2024-11-25 05:36:31,309 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:36:31,310 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-11-25 05:36:31,310 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-11-25 05:36:31,310 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-25 05:36:31,310 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:36:31,310 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 05:36:31,310 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 05:36:31,312 INFO L229 MonitoredProcess]: Starting monitored process 458 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 05:36:31,313 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (458)] Waiting until timeout for monitored process [2024-11-25 05:36:32,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:36:32,212 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 05:36:32,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:36:32,273 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 05:36:32,274 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 05:36:33,849 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-25 05:36:33,855 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (458)] Ended with exit code 0 [2024-11-25 05:36:33,863 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:36:33,863 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-11-25 05:36:33,863 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-11-25 05:36:33,864 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-25 05:36:33,864 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:36:33,864 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 05:36:33,864 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 05:36:33,866 INFO L229 MonitoredProcess]: Starting monitored process 459 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 05:36:33,868 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (459)] Waiting until timeout for monitored process [2024-11-25 05:36:34,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:36:34,714 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 05:36:34,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:36:34,769 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 05:36:34,770 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 05:36:36,437 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-25 05:36:36,441 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (459)] Forceful destruction successful, exit code 0 [2024-11-25 05:36:36,445 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:36:36,446 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-11-25 05:36:36,446 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-11-25 05:36:36,446 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-25 05:36:36,446 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:36:36,446 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 05:36:36,446 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 05:36:36,447 INFO L229 MonitoredProcess]: Starting monitored process 460 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 05:36:36,449 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (460)] Waiting until timeout for monitored process [2024-11-25 05:36:37,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:36:37,153 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 05:36:37,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:36:37,190 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 05:36:37,191 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 05:36:38,413 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-25 05:36:38,418 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (460)] Forceful destruction successful, exit code 0 [2024-11-25 05:36:38,423 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:36:38,423 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-11-25 05:36:38,423 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-11-25 05:36:38,423 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-25 05:36:38,423 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:36:38,423 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 05:36:38,423 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 05:36:38,425 INFO L229 MonitoredProcess]: Starting monitored process 461 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 05:36:38,426 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (461)] Waiting until timeout for monitored process [2024-11-25 05:36:39,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:36:39,290 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 05:36:39,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:36:39,327 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-25 05:36:39,327 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 05:36:40,479 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-25 05:36:40,484 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (461)] Forceful destruction successful, exit code 0 [2024-11-25 05:36:40,489 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:36:40,489 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-11-25 05:36:40,489 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-11-25 05:36:40,489 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-25 05:36:40,489 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:36:40,490 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 05:36:40,490 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 05:36:40,491 INFO L229 MonitoredProcess]: Starting monitored process 462 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 05:36:40,492 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (462)] Waiting until timeout for monitored process [2024-11-25 05:36:41,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:36:41,155 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 05:36:41,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:36:41,197 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-25 05:36:41,198 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 05:36:42,817 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-25 05:36:42,824 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (462)] Ended with exit code 0 [2024-11-25 05:36:42,833 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:36:42,833 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-11-25 05:36:42,833 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-11-25 05:36:42,833 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-25 05:36:42,833 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:36:42,833 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 05:36:42,833 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 05:36:42,837 INFO L229 MonitoredProcess]: Starting monitored process 463 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 05:36:42,838 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (463)] Waiting until timeout for monitored process [2024-11-25 05:36:43,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:36:43,785 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 05:36:43,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:36:43,864 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 05:36:43,865 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 05:36:45,635 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-25 05:36:45,640 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (463)] Ended with exit code 0 [2024-11-25 05:36:45,647 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:36:45,647 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-11-25 05:36:45,648 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-11-25 05:36:45,648 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-25 05:36:45,648 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:36:45,648 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 05:36:45,648 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 05:36:45,650 INFO L229 MonitoredProcess]: Starting monitored process 464 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 05:36:45,651 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (464)] Waiting until timeout for monitored process [2024-11-25 05:36:46,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:36:46,367 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 05:36:46,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:36:46,404 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 05:36:46,404 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 05:36:47,514 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-25 05:36:47,519 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (464)] Forceful destruction successful, exit code 0 [2024-11-25 05:36:47,524 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:36:47,525 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-11-25 05:36:47,525 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-11-25 05:36:47,525 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-25 05:36:47,525 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:36:47,525 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 05:36:47,525 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 05:36:47,527 INFO L229 MonitoredProcess]: Starting monitored process 465 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 05:36:47,528 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (465)] Waiting until timeout for monitored process [2024-11-25 05:36:48,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:36:48,220 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 05:36:48,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:36:48,259 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 05:36:48,260 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 05:36:49,616 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-25 05:36:49,621 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (465)] Ended with exit code 0 [2024-11-25 05:36:49,626 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:36:49,626 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-11-25 05:36:49,626 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-11-25 05:36:49,627 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-25 05:36:49,627 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:36:49,627 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 05:36:49,627 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 05:36:49,629 INFO L229 MonitoredProcess]: Starting monitored process 466 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 05:36:49,630 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (466)] Waiting until timeout for monitored process [2024-11-25 05:36:50,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:36:50,317 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 05:36:50,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:36:50,356 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 05:36:50,357 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 05:36:51,631 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-25 05:36:51,636 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (466)] Ended with exit code 0 [2024-11-25 05:36:51,641 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:36:51,641 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-11-25 05:36:51,641 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-11-25 05:36:51,641 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-25 05:36:51,641 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:36:51,641 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 05:36:51,641 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 05:36:51,643 INFO L229 MonitoredProcess]: Starting monitored process 467 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 05:36:51,644 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (467)] Waiting until timeout for monitored process [2024-11-25 05:36:52,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:36:52,329 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 05:36:52,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:36:52,374 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 05:36:52,375 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 05:36:53,481 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-25 05:36:53,486 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (467)] Forceful destruction successful, exit code 0 [2024-11-25 05:36:53,491 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:36:53,491 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-11-25 05:36:53,492 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-11-25 05:36:53,492 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-25 05:36:53,492 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:36:53,492 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 05:36:53,492 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 05:36:53,494 INFO L229 MonitoredProcess]: Starting monitored process 468 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 05:36:53,497 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (468)] Waiting until timeout for monitored process [2024-11-25 05:36:54,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:36:54,168 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 05:36:54,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:36:54,215 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 05:36:54,216 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 05:36:55,699 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-25 05:36:55,706 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (468)] Forceful destruction successful, exit code 0 [2024-11-25 05:36:55,713 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:36:55,714 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-11-25 05:36:55,714 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-11-25 05:36:55,714 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-25 05:36:55,714 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:36:55,714 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 05:36:55,715 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 05:36:55,717 INFO L229 MonitoredProcess]: Starting monitored process 469 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 05:36:55,719 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (469)] Waiting until timeout for monitored process [2024-11-25 05:36:56,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:36:56,476 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 05:36:56,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:36:56,510 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 05:36:56,511 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 05:36:57,988 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-25 05:36:57,995 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (469)] Forceful destruction successful, exit code 0 [2024-11-25 05:36:58,002 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:36:58,002 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-11-25 05:36:58,002 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-11-25 05:36:58,002 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-25 05:36:58,002 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:36:58,002 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 05:36:58,002 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 05:36:58,006 INFO L229 MonitoredProcess]: Starting monitored process 470 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 05:36:58,007 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (470)] Waiting until timeout for monitored process [2024-11-25 05:36:58,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:36:58,799 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 05:36:58,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:36:58,852 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 05:36:58,853 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 05:37:00,120 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-25 05:37:00,124 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (470)] Ended with exit code 0 [2024-11-25 05:37:00,130 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:37:00,130 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-11-25 05:37:00,130 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-11-25 05:37:00,130 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-25 05:37:00,130 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:37:00,130 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 05:37:00,130 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 05:37:00,132 INFO L229 MonitoredProcess]: Starting monitored process 471 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 05:37:00,133 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (471)] Waiting until timeout for monitored process [2024-11-25 05:37:00,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:37:00,834 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 05:37:00,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:37:00,877 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-25 05:37:00,878 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 05:37:02,322 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-25 05:37:02,327 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (471)] Forceful destruction successful, exit code 0 [2024-11-25 05:37:02,333 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:37:02,333 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-11-25 05:37:02,333 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-11-25 05:37:02,333 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-25 05:37:02,333 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:37:02,333 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 05:37:02,333 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 05:37:02,335 INFO L229 MonitoredProcess]: Starting monitored process 472 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 05:37:02,336 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (472)] Waiting until timeout for monitored process [2024-11-25 05:37:02,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:37:02,985 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 05:37:03,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:37:03,024 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-25 05:37:03,024 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 05:37:04,043 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-25 05:37:04,048 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (472)] Forceful destruction successful, exit code 0 [2024-11-25 05:37:04,053 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:37:04,054 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-11-25 05:37:04,054 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-11-25 05:37:04,054 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-25 05:37:04,054 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:37:04,054 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 05:37:04,054 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 05:37:04,057 INFO L229 MonitoredProcess]: Starting monitored process 473 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 05:37:04,058 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (473)] Waiting until timeout for monitored process [2024-11-25 05:37:04,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:37:04,714 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 05:37:04,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:37:04,753 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 05:37:04,754 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 05:37:06,056 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-25 05:37:06,061 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (473)] Ended with exit code 0 [2024-11-25 05:37:06,066 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:37:06,066 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-11-25 05:37:06,066 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-11-25 05:37:06,066 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-25 05:37:06,066 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:37:06,066 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 05:37:06,066 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 05:37:06,068 INFO L229 MonitoredProcess]: Starting monitored process 474 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 05:37:06,069 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (474)] Waiting until timeout for monitored process [2024-11-25 05:37:06,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:37:06,708 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 05:37:06,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:37:06,788 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 05:37:06,789 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 05:37:07,853 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-25 05:37:07,858 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (474)] Ended with exit code 0 [2024-11-25 05:37:07,863 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:37:07,863 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-11-25 05:37:07,863 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-11-25 05:37:07,863 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-25 05:37:07,863 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:37:07,864 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 05:37:07,864 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 05:37:07,865 INFO L229 MonitoredProcess]: Starting monitored process 475 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 05:37:07,867 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (475)] Waiting until timeout for monitored process [2024-11-25 05:37:08,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:37:08,560 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 05:37:08,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:37:08,602 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 05:37:08,603 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 05:37:09,658 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-25 05:37:09,664 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (475)] Forceful destruction successful, exit code 0 [2024-11-25 05:37:09,668 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:37:09,669 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-11-25 05:37:09,669 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-11-25 05:37:09,669 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-25 05:37:09,669 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:37:09,669 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 05:37:09,669 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 05:37:09,671 INFO L229 MonitoredProcess]: Starting monitored process 476 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 05:37:09,672 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (476)] Waiting until timeout for monitored process [2024-11-25 05:37:10,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:37:10,406 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 05:37:10,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:37:10,459 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 05:37:10,460 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 05:37:12,159 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-25 05:37:12,163 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (476)] Ended with exit code 0 [2024-11-25 05:37:12,168 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:37:12,168 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-11-25 05:37:12,168 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-11-25 05:37:12,169 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-25 05:37:12,169 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:37:12,169 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 05:37:12,169 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 05:37:12,171 INFO L229 MonitoredProcess]: Starting monitored process 477 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 05:37:12,172 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (477)] Waiting until timeout for monitored process [2024-11-25 05:37:12,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:37:12,867 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 05:37:12,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:37:12,907 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 05:37:12,908 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 05:37:14,154 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-25 05:37:14,160 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (477)] Ended with exit code 0 [2024-11-25 05:37:14,165 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:37:14,165 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-11-25 05:37:14,165 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-11-25 05:37:14,166 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-25 05:37:14,166 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:37:14,166 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 05:37:14,166 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 05:37:14,168 INFO L229 MonitoredProcess]: Starting monitored process 478 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 05:37:14,169 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474956a2-f823-472e-a3b3-4fb375f1ce0e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (478)] Waiting until timeout for monitored process [2024-11-25 05:37:14,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:37:14,849 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 05:37:14,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:37:14,891 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 05:37:14,892 INFO L279 TraceCheckSpWp]: Computing forward predicates...