./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-21.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 826ab2ba Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-21.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm --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 134b13cd1b8ac1dc8abd325434d56d90d6a754291c767bced87290501af7bb0e --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 23:15:39,135 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 23:15:39,232 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-11-13 23:15:39,237 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 23:15:39,237 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-13 23:15:39,273 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 23:15:39,275 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 23:15:39,275 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 23:15:39,276 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 23:15:39,276 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 23:15:39,277 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 23:15:39,277 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 23:15:39,278 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-13 23:15:39,278 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 23:15:39,278 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-13 23:15:39,279 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 23:15:39,279 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 23:15:39,279 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 23:15:39,279 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 23:15:39,279 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 23:15:39,279 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-13 23:15:39,279 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 23:15:39,279 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 23:15:39,280 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 23:15:39,280 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 23:15:39,280 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 23:15:39,280 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 23:15:39,281 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 23:15:39,281 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 23:15:39,281 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 23:15:39,281 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 23:15:39,281 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-13 23:15:39,281 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-13 23:15:39,281 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_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm 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 -> 134b13cd1b8ac1dc8abd325434d56d90d6a754291c767bced87290501af7bb0e [2024-11-13 23:15:39,668 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 23:15:39,683 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 23:15:39,687 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 23:15:39,689 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 23:15:39,690 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 23:15:39,691 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-21.i Unable to find full path for "g++" [2024-11-13 23:15:41,641 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 23:15:41,946 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 23:15:41,949 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-21.i [2024-11-13 23:15:41,960 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/data/85e0f6011/133fe2851d6e499393f9fdcb53f14927/FLAG59be33af1 [2024-11-13 23:15:41,976 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/data/85e0f6011/133fe2851d6e499393f9fdcb53f14927 [2024-11-13 23:15:41,979 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 23:15:41,980 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 23:15:41,981 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 23:15:41,981 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 23:15:41,985 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 23:15:41,986 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 11:15:41" (1/1) ... [2024-11-13 23:15:41,987 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2b724104 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:15:41, skipping insertion in model container [2024-11-13 23:15:41,988 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 11:15:41" (1/1) ... [2024-11-13 23:15:42,004 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 23:15:42,191 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_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-21.i[915,928] [2024-11-13 23:15:42,246 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 23:15:42,261 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 23:15:42,273 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_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-21.i[915,928] [2024-11-13 23:15:42,297 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 23:15:42,314 INFO L204 MainTranslator]: Completed translation [2024-11-13 23:15:42,314 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:15:42 WrapperNode [2024-11-13 23:15:42,314 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 23:15:42,315 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 23:15:42,316 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 23:15:42,316 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 23:15:42,323 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:15:42" (1/1) ... [2024-11-13 23:15:42,331 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:15:42" (1/1) ... [2024-11-13 23:15:42,358 INFO L138 Inliner]: procedures = 26, calls = 19, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 81 [2024-11-13 23:15:42,358 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 23:15:42,358 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 23:15:42,359 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 23:15:42,359 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 23:15:42,367 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:15:42" (1/1) ... [2024-11-13 23:15:42,367 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:15:42" (1/1) ... [2024-11-13 23:15:42,369 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:15:42" (1/1) ... [2024-11-13 23:15:42,369 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:15:42" (1/1) ... [2024-11-13 23:15:42,375 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:15:42" (1/1) ... [2024-11-13 23:15:42,379 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:15:42" (1/1) ... [2024-11-13 23:15:42,380 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:15:42" (1/1) ... [2024-11-13 23:15:42,381 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:15:42" (1/1) ... [2024-11-13 23:15:42,384 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 23:15:42,385 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 23:15:42,385 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 23:15:42,385 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 23:15:42,386 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:15:42" (1/1) ... [2024-11-13 23:15:42,392 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 23:15:42,408 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 23:15:42,422 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 23:15:42,426 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 23:15:42,457 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 23:15:42,457 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-13 23:15:42,458 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-13 23:15:42,458 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-13 23:15:42,458 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 23:15:42,458 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 23:15:42,531 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 23:15:42,533 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 23:15:42,784 INFO L? ?]: Removed 10 outVars from TransFormulas that were not future-live. [2024-11-13 23:15:42,785 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 23:15:42,976 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 23:15:42,976 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-13 23:15:42,977 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 11:15:42 BoogieIcfgContainer [2024-11-13 23:15:42,977 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 23:15:42,978 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 23:15:42,978 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 23:15:42,989 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 23:15:42,990 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 11:15:42" (1/1) ... [2024-11-13 23:15:43,000 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 23:15:43,060 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:15:43,071 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 18 states and 24 transitions. [2024-11-13 23:15:43,072 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 24 transitions. [2024-11-13 23:15:43,079 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-13 23:15:43,079 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:15:43,080 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 23:15:43,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 23:15:43,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 23:15:43,335 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 23:15:43,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 23:15:43,428 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-11-13 23:15:43,474 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 13.11 11:15:43 ImpRootNode [2024-11-13 23:15:43,474 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-13 23:15:43,475 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-13 23:15:43,476 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-13 23:15:43,476 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-13 23:15:43,477 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 11:15:42" (3/4) ... [2024-11-13 23:15:43,480 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-13 23:15:43,482 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-13 23:15:43,483 INFO L158 Benchmark]: Toolchain (without parser) took 1503.20ms. Allocated memory is still 142.6MB. Free memory was 118.9MB in the beginning and 114.2MB in the end (delta: 4.7MB). Peak memory consumption was 5.0MB. Max. memory is 16.1GB. [2024-11-13 23:15:43,485 INFO L158 Benchmark]: CDTParser took 0.47ms. Allocated memory is still 142.6MB. Free memory is still 81.2MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 23:15:43,488 INFO L158 Benchmark]: CACSL2BoogieTranslator took 333.36ms. Allocated memory is still 142.6MB. Free memory was 118.9MB in the beginning and 107.4MB in the end (delta: 11.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 23:15:43,489 INFO L158 Benchmark]: Boogie Procedure Inliner took 42.60ms. Allocated memory is still 142.6MB. Free memory was 107.4MB in the beginning and 105.3MB in the end (delta: 2.2MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 23:15:43,489 INFO L158 Benchmark]: Boogie Preprocessor took 25.55ms. Allocated memory is still 142.6MB. Free memory was 105.3MB in the beginning and 104.3MB in the end (delta: 993.8kB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 23:15:43,490 INFO L158 Benchmark]: RCFGBuilder took 592.28ms. Allocated memory is still 142.6MB. Free memory was 104.3MB in the beginning and 78.8MB in the end (delta: 25.4MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2024-11-13 23:15:43,490 INFO L158 Benchmark]: CodeCheck took 496.41ms. Allocated memory is still 142.6MB. Free memory was 78.8MB in the beginning and 114.3MB in the end (delta: -35.4MB). Peak memory consumption was 21.7MB. Max. memory is 16.1GB. [2024-11-13 23:15:43,491 INFO L158 Benchmark]: Witness Printer took 7.67ms. Allocated memory is still 142.6MB. Free memory was 114.3MB in the beginning and 114.2MB in the end (delta: 21.0kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 23:15:43,496 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: 0.4s, OverallIterations: 1, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: 0 DeclaredPredicates, 0 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 25 NumberOfCodeBlocks, 25 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - UnprovableResult [Line: 19]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of someBinaryFLOATComparisonOperation at line 50, overapproximation of someBinaryFLOATComparisonOperation at line 56, overapproximation of bitwiseAnd at line 36. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] signed long int var_1_1 = -16; [L23] signed long int var_1_6 = 10; [L24] unsigned char var_1_8 = 0; [L25] unsigned char var_1_9 = 4; [L26] float var_1_10 = 15.5; [L27] float var_1_11 = 99.125; [L28] signed short int var_1_12 = 2; [L29] signed long int last_1_var_1_1 = -16; [L60] isInitial = 1 [L61] FCALL initially() [L62] COND TRUE 1 [L63] CALL updateLastVariables() [L53] last_1_var_1_1 = var_1_1 [L63] RET updateLastVariables() [L64] CALL updateVariables() [L42] var_1_6 = __VERIFIER_nondet_long() [L43] CALL assume_abort_if_not(var_1_6 >= -2147483648) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=-16, var_1_10=31/2, var_1_11=793/8, var_1_12=2, var_1_1=-16, var_1_6=-8, var_1_8=0, var_1_9=4] [L20] COND FALSE !(!cond) [L43] RET assume_abort_if_not(var_1_6 >= -2147483648) VAL [isInitial=1, last_1_var_1_1=-16, var_1_10=31/2, var_1_11=793/8, var_1_12=2, var_1_1=-16, var_1_6=-8, var_1_8=0, var_1_9=4] [L44] CALL assume_abort_if_not(var_1_6 <= 2147483647) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=-16, var_1_10=31/2, var_1_11=793/8, var_1_12=2, var_1_1=-16, var_1_6=-8, var_1_8=0, var_1_9=4] [L20] COND FALSE !(!cond) [L44] RET assume_abort_if_not(var_1_6 <= 2147483647) VAL [isInitial=1, last_1_var_1_1=-16, var_1_10=31/2, var_1_11=793/8, var_1_12=2, var_1_1=-16, var_1_6=-8, var_1_8=0, var_1_9=4] [L45] CALL assume_abort_if_not(var_1_6 != 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=-16, var_1_10=31/2, var_1_11=793/8, var_1_12=2, var_1_1=-16, var_1_6=-8, var_1_8=0, var_1_9=4] [L20] COND FALSE !(!cond) [L45] RET assume_abort_if_not(var_1_6 != 0) VAL [isInitial=1, last_1_var_1_1=-16, var_1_10=31/2, var_1_11=793/8, var_1_12=2, var_1_1=-16, var_1_6=-8, var_1_8=0, var_1_9=4] [L46] var_1_9 = __VERIFIER_nondet_uchar() [L47] CALL assume_abort_if_not(var_1_9 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=-16, var_1_10=31/2, var_1_11=793/8, var_1_12=2, var_1_1=-16, var_1_6=-8, var_1_8=0] [L20] COND FALSE !(!cond) [L47] RET assume_abort_if_not(var_1_9 >= 0) VAL [isInitial=1, last_1_var_1_1=-16, var_1_10=31/2, var_1_11=793/8, var_1_12=2, var_1_1=-16, var_1_6=-8, var_1_8=0] [L48] CALL assume_abort_if_not(var_1_9 <= 254) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=-16, var_1_10=31/2, var_1_11=793/8, var_1_12=2, var_1_1=-16, var_1_6=-8, var_1_8=0, var_1_9=2] [L20] COND FALSE !(!cond) [L48] RET assume_abort_if_not(var_1_9 <= 254) VAL [isInitial=1, last_1_var_1_1=-16, var_1_10=31/2, var_1_11=793/8, var_1_12=2, var_1_1=-16, var_1_6=-8, var_1_8=0, var_1_9=2] [L49] var_1_11 = __VERIFIER_nondet_float() [L50] CALL assume_abort_if_not((var_1_11 >= -922337.2036854765600e+13F && var_1_11 <= -1.0e-20F) || (var_1_11 <= 9223372.036854765600e+12F && var_1_11 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=-16, var_1_10=31/2, var_1_12=2, var_1_1=-16, var_1_6=-8, var_1_8=0, var_1_9=2] [L20] COND FALSE !(!cond) [L50] RET assume_abort_if_not((var_1_11 >= -922337.2036854765600e+13F && var_1_11 <= -1.0e-20F) || (var_1_11 <= 9223372.036854765600e+12F && var_1_11 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_1=-16, var_1_10=31/2, var_1_12=2, var_1_1=-16, var_1_6=-8, var_1_8=0, var_1_9=2] [L64] RET updateVariables() [L65] CALL step() [L33] var_1_8 = var_1_9 [L34] var_1_10 = var_1_11 [L35] var_1_12 = var_1_9 [L36] EXPR var_1_8 & (var_1_12 * var_1_8) [L36] signed long int stepLocal_0 = var_1_8 & (var_1_12 * var_1_8); [L37] COND TRUE stepLocal_0 < (last_1_var_1_1 / var_1_6) [L38] var_1_1 = (var_1_8 + 256) [L65] RET step() [L66] CALL, EXPR property() [L56] EXPR var_1_8 & (var_1_12 * var_1_8) [L56-L57] return (((((var_1_8 & (var_1_12 * var_1_8)) < (last_1_var_1_1 / var_1_6)) ? (var_1_1 == ((signed long int) (var_1_8 + 256))) : 1) && (var_1_8 == ((unsigned char) var_1_9))) && (var_1_10 == ((float) var_1_11))) && (var_1_12 == ((signed short int) var_1_9)) ; [L66] RET, EXPR property() [L66] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [isInitial=1, last_1_var_1_1=-16, var_1_10=2, var_1_11=2, var_1_12=2, var_1_1=258, var_1_6=-8, var_1_8=2, var_1_9=2] [L19] reach_error() VAL [isInitial=1, last_1_var_1_1=-16, var_1_10=2, var_1_11=2, var_1_12=2, var_1_1=258, var_1_6=-8, var_1_8=2, var_1_9=2] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.47ms. Allocated memory is still 142.6MB. Free memory is still 81.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 333.36ms. Allocated memory is still 142.6MB. Free memory was 118.9MB in the beginning and 107.4MB in the end (delta: 11.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 42.60ms. Allocated memory is still 142.6MB. Free memory was 107.4MB in the beginning and 105.3MB in the end (delta: 2.2MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 25.55ms. Allocated memory is still 142.6MB. Free memory was 105.3MB in the beginning and 104.3MB in the end (delta: 993.8kB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 592.28ms. Allocated memory is still 142.6MB. Free memory was 104.3MB in the beginning and 78.8MB in the end (delta: 25.4MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * CodeCheck took 496.41ms. Allocated memory is still 142.6MB. Free memory was 78.8MB in the beginning and 114.3MB in the end (delta: -35.4MB). Peak memory consumption was 21.7MB. Max. memory is 16.1GB. * Witness Printer took 7.67ms. Allocated memory is still 142.6MB. Free memory was 114.3MB in the beginning and 114.2MB in the end (delta: 21.0kB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-13 23:15:43,540 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/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_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-21.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Reach-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm --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 134b13cd1b8ac1dc8abd325434d56d90d6a754291c767bced87290501af7bb0e --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 23:15:46,310 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 23:15:46,445 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2024-11-13 23:15:46,487 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 23:15:46,489 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 23:15:46,490 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 23:15:46,490 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 23:15:46,490 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 23:15:46,491 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 23:15:46,507 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 23:15:46,508 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-13 23:15:46,508 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-13 23:15:46,508 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 23:15:46,508 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 23:15:46,508 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 23:15:46,508 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 23:15:46,508 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-13 23:15:46,508 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-13 23:15:46,508 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 23:15:46,508 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-13 23:15:46,508 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-13 23:15:46,508 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 23:15:46,509 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 23:15:46,509 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 23:15:46,509 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 23:15:46,509 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 23:15:46,509 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-11-13 23:15:46,509 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-11-13 23:15:46,509 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 23:15:46,509 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 23:15:46,509 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 23:15:46,509 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 23:15:46,510 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 23:15:46,510 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-13 23:15:46,510 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-13 23:15:46,510 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-11-13 23:15:46,510 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_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm 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 -> 134b13cd1b8ac1dc8abd325434d56d90d6a754291c767bced87290501af7bb0e [2024-11-13 23:15:46,813 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 23:15:46,822 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 23:15:46,824 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 23:15:46,825 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 23:15:46,826 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 23:15:46,827 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-21.i Unable to find full path for "g++" [2024-11-13 23:15:48,890 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 23:15:49,227 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 23:15:49,234 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-21.i [2024-11-13 23:15:49,254 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/data/7f73d825b/6482c3944a3149898b34fc41216cd374/FLAGca793bbb4 [2024-11-13 23:15:49,276 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/data/7f73d825b/6482c3944a3149898b34fc41216cd374 [2024-11-13 23:15:49,279 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 23:15:49,281 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 23:15:49,282 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 23:15:49,282 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 23:15:49,290 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 23:15:49,292 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 11:15:49" (1/1) ... [2024-11-13 23:15:49,293 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2ded2bab and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:15:49, skipping insertion in model container [2024-11-13 23:15:49,294 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 11:15:49" (1/1) ... [2024-11-13 23:15:49,316 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 23:15:49,463 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_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-21.i[915,928] [2024-11-13 23:15:49,497 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 23:15:49,515 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 23:15:49,527 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_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-21.i[915,928] [2024-11-13 23:15:49,547 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 23:15:49,569 INFO L204 MainTranslator]: Completed translation [2024-11-13 23:15:49,570 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:15:49 WrapperNode [2024-11-13 23:15:49,570 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 23:15:49,572 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 23:15:49,572 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 23:15:49,572 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 23:15:49,580 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:15:49" (1/1) ... [2024-11-13 23:15:49,590 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:15:49" (1/1) ... [2024-11-13 23:15:49,613 INFO L138 Inliner]: procedures = 27, calls = 19, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 63 [2024-11-13 23:15:49,614 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 23:15:49,615 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 23:15:49,615 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 23:15:49,615 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 23:15:49,624 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:15:49" (1/1) ... [2024-11-13 23:15:49,624 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:15:49" (1/1) ... [2024-11-13 23:15:49,628 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:15:49" (1/1) ... [2024-11-13 23:15:49,628 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:15:49" (1/1) ... [2024-11-13 23:15:49,642 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:15:49" (1/1) ... [2024-11-13 23:15:49,646 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:15:49" (1/1) ... [2024-11-13 23:15:49,648 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:15:49" (1/1) ... [2024-11-13 23:15:49,649 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:15:49" (1/1) ... [2024-11-13 23:15:49,653 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 23:15:49,654 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 23:15:49,654 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 23:15:49,654 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 23:15:49,655 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:15:49" (1/1) ... [2024-11-13 23:15:49,663 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 23:15:49,686 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 23:15:49,703 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 23:15:49,710 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 23:15:49,744 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 23:15:49,745 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-11-13 23:15:49,745 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-13 23:15:49,745 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-13 23:15:49,746 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 23:15:49,746 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 23:15:49,854 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 23:15:49,857 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 23:15:50,283 INFO L? ?]: Removed 10 outVars from TransFormulas that were not future-live. [2024-11-13 23:15:50,284 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 23:15:50,378 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 23:15:50,378 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-13 23:15:50,378 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 11:15:50 BoogieIcfgContainer [2024-11-13 23:15:50,378 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 23:15:50,384 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 23:15:50,385 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 23:15:50,400 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 23:15:50,400 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 11:15:50" (1/1) ... [2024-11-13 23:15:50,412 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 23:15:50,469 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:15:50,480 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 18 states and 24 transitions. [2024-11-13 23:15:50,481 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 24 transitions. [2024-11-13 23:15:50,486 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-13 23:15:50,487 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:15:50,488 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:15:50,488 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:15:50,491 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:15:50,495 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-11-13 23:15:50,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:15:50,873 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:15:50,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:15:50,975 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-13 23:15:50,987 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:15:52,016 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-13 23:15:52,022 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-11-13 23:15:52,441 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:15:52,442 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 19 states and 26 transitions. [2024-11-13 23:15:52,443 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 26 transitions. [2024-11-13 23:15:52,444 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-13 23:15:52,445 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:15:52,445 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:15:52,445 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:15:52,447 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:15:52,451 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2024-11-13 23:15:52,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:15:52,771 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:15:52,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:15:52,851 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-13 23:15:52,854 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:15:53,594 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-13 23:15:53,599 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (3)] Ended with exit code 0 [2024-11-13 23:15:53,617 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:15:53,618 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 19 states and 26 transitions. [2024-11-13 23:15:53,619 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 26 transitions. [2024-11-13 23:15:53,620 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-13 23:15:53,620 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:15:53,621 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:15:53,621 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:15:53,623 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:15:53,628 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2024-11-13 23:15:53,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:15:53,965 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:15:54,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:15:54,023 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-13 23:15:54,026 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:15:54,694 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-13 23:15:54,699 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (4)] Ended with exit code 0 [2024-11-13 23:15:54,708 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:15:54,709 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 19 states and 26 transitions. [2024-11-13 23:15:54,710 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 26 transitions. [2024-11-13 23:15:54,710 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-13 23:15:54,711 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:15:54,711 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:15:54,711 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:15:54,713 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:15:54,716 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (5)] Waiting until timeout for monitored process [2024-11-13 23:15:55,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:15:55,003 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:15:55,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:15:55,072 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-13 23:15:55,076 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:15:55,549 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-13 23:15:55,553 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (5)] Ended with exit code 0 [2024-11-13 23:15:55,559 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:15:55,559 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 19 states and 26 transitions. [2024-11-13 23:15:55,560 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 26 transitions. [2024-11-13 23:15:55,562 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-13 23:15:55,562 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:15:55,562 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:15:55,563 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:15:55,566 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:15:55,568 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (6)] Waiting until timeout for monitored process [2024-11-13 23:15:55,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:15:55,959 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:15:56,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:15:56,062 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-13 23:15:56,064 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:15:56,593 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-13 23:15:56,599 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (6)] Forceful destruction successful, exit code 0 [2024-11-13 23:15:56,607 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:15:56,608 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 19 states and 26 transitions. [2024-11-13 23:15:56,608 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 26 transitions. [2024-11-13 23:15:56,608 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-13 23:15:56,609 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:15:56,610 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:15:56,610 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:15:56,612 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:15:56,615 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (7)] Waiting until timeout for monitored process [2024-11-13 23:15:56,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:15:57,000 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:15:57,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:15:57,062 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-13 23:15:57,064 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:15:57,712 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 14 proven. 2 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2024-11-13 23:15:57,718 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (7)] Ended with exit code 0 [2024-11-13 23:15:58,031 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:15:58,034 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 21 states and 31 transitions. [2024-11-13 23:15:58,034 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 31 transitions. [2024-11-13 23:15:58,035 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-13 23:15:58,036 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:15:58,036 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:15:58,037 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:15:58,040 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:15:58,045 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (8)] Waiting until timeout for monitored process [2024-11-13 23:15:58,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:15:58,384 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:15:58,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:15:58,437 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-13 23:15:58,439 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:15:58,909 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-13 23:15:58,913 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (8)] Forceful destruction successful, exit code 0 [2024-11-13 23:15:58,919 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:15:58,920 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 21 states and 31 transitions. [2024-11-13 23:15:58,920 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 31 transitions. [2024-11-13 23:15:58,921 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-13 23:15:58,921 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:15:58,921 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:15:58,921 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:15:58,923 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:15:58,927 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (9)] Waiting until timeout for monitored process [2024-11-13 23:15:59,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:15:59,220 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:15:59,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:15:59,293 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-13 23:15:59,295 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:15:59,747 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-13 23:15:59,752 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (9)] Forceful destruction successful, exit code 0 [2024-11-13 23:15:59,760 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:15:59,760 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 21 states and 31 transitions. [2024-11-13 23:15:59,761 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 31 transitions. [2024-11-13 23:15:59,765 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-13 23:15:59,765 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:15:59,765 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:15:59,765 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:15:59,768 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:15:59,774 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (10)] Waiting until timeout for monitored process [2024-11-13 23:16:00,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:16:00,140 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:16:00,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:16:00,186 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-13 23:16:00,188 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:16:00,610 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-13 23:16:00,614 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (10)] Ended with exit code 0 [2024-11-13 23:16:00,619 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:16:00,619 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 21 states and 31 transitions. [2024-11-13 23:16:00,619 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 31 transitions. [2024-11-13 23:16:00,620 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-13 23:16:00,620 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:16:00,620 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:16:00,620 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:16:00,624 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:16:00,625 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (11)] Waiting until timeout for monitored process [2024-11-13 23:16:00,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:16:00,889 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:16:00,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:16:00,942 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-13 23:16:00,944 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:16:01,321 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-13 23:16:01,326 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (11)] Ended with exit code 0 [2024-11-13 23:16:01,332 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:16:01,333 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 21 states and 31 transitions. [2024-11-13 23:16:01,333 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 31 transitions. [2024-11-13 23:16:01,334 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-13 23:16:01,334 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:16:01,334 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:16:01,334 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:16:01,337 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:16:01,339 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (12)] Waiting until timeout for monitored process [2024-11-13 23:16:01,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:16:01,597 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:16:01,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:16:01,640 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-13 23:16:01,642 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:16:01,996 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 14 proven. 2 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2024-11-13 23:16:02,001 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (12)] Ended with exit code 0 [2024-11-13 23:16:02,006 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:16:02,006 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 21 states and 31 transitions. [2024-11-13 23:16:02,006 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 31 transitions. [2024-11-13 23:16:02,007 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-13 23:16:02,007 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:16:02,007 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:16:02,007 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:16:02,011 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:16:02,012 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (13)] Waiting until timeout for monitored process [2024-11-13 23:16:02,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:16:02,275 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:16:02,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:16:02,342 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-13 23:16:02,343 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:16:02,646 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-13 23:16:02,649 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (13)] Ended with exit code 0 [2024-11-13 23:16:02,653 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:16:02,654 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 21 states and 31 transitions. [2024-11-13 23:16:02,654 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 31 transitions. [2024-11-13 23:16:02,654 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-13 23:16:02,655 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:16:02,655 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:16:02,655 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:16:02,662 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:16:02,665 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (14)] Waiting until timeout for monitored process [2024-11-13 23:16:02,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:16:02,952 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:16:03,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:16:03,013 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-13 23:16:03,014 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:16:03,406 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-13 23:16:03,409 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (14)] Forceful destruction successful, exit code 0 [2024-11-13 23:16:03,413 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:16:03,413 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 21 states and 31 transitions. [2024-11-13 23:16:03,414 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 31 transitions. [2024-11-13 23:16:03,414 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-13 23:16:03,414 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:16:03,414 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:16:03,414 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:16:03,417 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:16:03,420 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (15)] Waiting until timeout for monitored process [2024-11-13 23:16:03,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:16:03,673 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:16:03,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:16:03,714 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-13 23:16:03,715 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:16:04,007 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-13 23:16:04,010 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (15)] Ended with exit code 0 [2024-11-13 23:16:04,013 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:16:04,014 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 21 states and 31 transitions. [2024-11-13 23:16:04,014 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 31 transitions. [2024-11-13 23:16:04,014 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-13 23:16:04,014 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:16:04,014 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:16:04,015 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:16:04,019 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:16:04,020 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (16)] Waiting until timeout for monitored process [2024-11-13 23:16:04,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:16:04,280 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:16:04,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:16:04,329 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-13 23:16:04,330 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:16:04,668 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 14 proven. 2 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2024-11-13 23:16:04,671 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (16)] Ended with exit code 0 [2024-11-13 23:16:04,675 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:16:04,676 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 21 states and 31 transitions. [2024-11-13 23:16:04,676 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 31 transitions. [2024-11-13 23:16:04,676 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-13 23:16:04,676 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:16:04,676 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:16:04,677 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:16:04,679 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:16:04,681 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (17)] Waiting until timeout for monitored process [2024-11-13 23:16:04,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:16:04,932 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:16:04,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:16:04,974 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-13 23:16:04,975 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:16:05,297 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-13 23:16:05,304 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (17)] Ended with exit code 0 [2024-11-13 23:16:05,310 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:16:05,311 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 21 states and 31 transitions. [2024-11-13 23:16:05,311 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 31 transitions. [2024-11-13 23:16:05,314 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-13 23:16:05,314 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:16:05,314 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:16:05,314 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:16:05,316 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:16:05,318 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (18)] Waiting until timeout for monitored process [2024-11-13 23:16:05,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:16:05,580 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:16:05,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:16:05,638 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-13 23:16:05,640 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:16:06,015 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-13 23:16:06,018 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (18)] Ended with exit code 0 [2024-11-13 23:16:06,021 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:16:06,021 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 21 states and 31 transitions. [2024-11-13 23:16:06,022 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 31 transitions. [2024-11-13 23:16:06,022 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-13 23:16:06,022 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:16:06,022 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:16:06,023 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:16:06,024 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:16:06,026 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (19)] Waiting until timeout for monitored process [2024-11-13 23:16:06,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:16:06,286 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:16:06,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:16:06,360 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-13 23:16:06,361 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:16:06,667 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-13 23:16:06,671 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (19)] Ended with exit code 0 [2024-11-13 23:16:06,675 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:16:06,679 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 21 states and 31 transitions. [2024-11-13 23:16:06,679 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 31 transitions. [2024-11-13 23:16:06,680 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-13 23:16:06,680 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:16:06,680 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:16:06,680 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:16:06,685 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:16:06,686 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (20)] Waiting until timeout for monitored process [2024-11-13 23:16:06,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:16:06,987 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:16:07,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:16:07,021 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-13 23:16:07,022 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:16:07,416 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-13 23:16:07,420 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (20)] Ended with exit code 0 [2024-11-13 23:16:07,423 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:16:07,424 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 21 states and 31 transitions. [2024-11-13 23:16:07,424 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 31 transitions. [2024-11-13 23:16:07,425 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-13 23:16:07,425 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:16:07,425 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:16:07,425 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:16:07,430 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:16:07,434 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (21)] Waiting until timeout for monitored process [2024-11-13 23:16:07,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:16:07,706 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:16:07,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:16:07,789 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-13 23:16:07,790 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:16:08,073 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-13 23:16:08,077 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (21)] Ended with exit code 0 [2024-11-13 23:16:08,080 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:16:08,080 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 21 states and 31 transitions. [2024-11-13 23:16:08,080 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 31 transitions. [2024-11-13 23:16:08,083 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-13 23:16:08,083 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:16:08,084 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:16:08,084 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:16:08,087 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:16:08,091 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (22)] Waiting until timeout for monitored process [2024-11-13 23:16:08,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:16:08,340 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:16:08,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:16:08,425 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-13 23:16:08,427 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:16:08,769 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-13 23:16:08,772 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (22)] Ended with exit code 0 [2024-11-13 23:16:08,774 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:16:08,775 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 21 states and 31 transitions. [2024-11-13 23:16:08,775 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 31 transitions. [2024-11-13 23:16:08,775 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-13 23:16:08,775 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:16:08,775 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:16:08,775 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:16:08,778 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:16:08,780 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (23)] Waiting until timeout for monitored process [2024-11-13 23:16:09,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:16:09,072 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:16:09,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:16:09,114 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-13 23:16:09,116 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:16:09,426 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 14 proven. 2 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2024-11-13 23:16:09,430 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (23)] Forceful destruction successful, exit code 0 [2024-11-13 23:16:09,435 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:16:09,436 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 21 states and 31 transitions. [2024-11-13 23:16:09,436 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 31 transitions. [2024-11-13 23:16:09,437 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-13 23:16:09,437 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:16:09,437 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:16:09,437 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:16:09,440 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:16:09,442 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (24)] Waiting until timeout for monitored process [2024-11-13 23:16:09,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:16:09,826 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:16:09,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:16:09,876 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-13 23:16:09,877 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:16:10,171 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-13 23:16:10,175 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (24)] Forceful destruction successful, exit code 0 [2024-11-13 23:16:10,177 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:16:10,178 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 21 states and 31 transitions. [2024-11-13 23:16:10,178 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 31 transitions. [2024-11-13 23:16:10,178 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-13 23:16:10,178 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:16:10,179 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:16:10,179 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:16:10,181 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:16:10,183 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (25)] Waiting until timeout for monitored process [2024-11-13 23:16:10,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:16:10,466 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:16:10,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:16:10,501 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-13 23:16:10,503 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:16:10,792 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-13 23:16:10,795 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (25)] Forceful destruction successful, exit code 0 [2024-11-13 23:16:10,797 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:16:10,798 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 21 states and 31 transitions. [2024-11-13 23:16:10,798 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 31 transitions. [2024-11-13 23:16:10,799 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-13 23:16:10,799 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:16:10,799 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:16:10,799 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:16:10,803 INFO L229 MonitoredProcess]: Starting monitored process 26 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:16:10,805 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (26)] Waiting until timeout for monitored process [2024-11-13 23:16:11,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:16:11,071 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:16:11,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:16:11,109 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-13 23:16:11,110 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:16:11,390 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 14 proven. 2 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2024-11-13 23:16:11,393 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (26)] Ended with exit code 0 [2024-11-13 23:16:11,396 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:16:11,397 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 21 states and 31 transitions. [2024-11-13 23:16:11,397 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 31 transitions. [2024-11-13 23:16:11,397 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-13 23:16:11,398 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:16:11,398 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:16:11,398 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:16:11,403 INFO L229 MonitoredProcess]: Starting monitored process 27 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:16:11,404 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (27)] Waiting until timeout for monitored process [2024-11-13 23:16:11,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:16:11,666 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:16:11,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:16:11,700 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-13 23:16:11,701 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:16:12,018 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-13 23:16:12,023 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (27)] Ended with exit code 0 [2024-11-13 23:16:12,029 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:16:12,030 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 21 states and 31 transitions. [2024-11-13 23:16:12,030 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 31 transitions. [2024-11-13 23:16:12,030 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-13 23:16:12,031 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:16:12,031 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:16:12,031 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:16:12,033 INFO L229 MonitoredProcess]: Starting monitored process 28 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:16:12,035 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (28)] Waiting until timeout for monitored process [2024-11-13 23:16:12,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:16:12,281 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:16:12,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:16:12,313 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-13 23:16:12,314 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:16:12,664 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-13 23:16:12,667 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (28)] Ended with exit code 0 [2024-11-13 23:16:12,670 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:16:12,671 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 21 states and 31 transitions. [2024-11-13 23:16:12,671 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 31 transitions. [2024-11-13 23:16:12,671 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-13 23:16:12,671 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:16:12,671 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:16:12,672 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:16:12,677 INFO L229 MonitoredProcess]: Starting monitored process 29 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:16:12,679 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (29)] Waiting until timeout for monitored process [2024-11-13 23:16:12,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:16:12,928 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:16:12,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:16:12,968 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-13 23:16:12,969 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:16:13,249 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-13 23:16:13,252 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (29)] Ended with exit code 0 [2024-11-13 23:16:13,255 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:16:13,255 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 21 states and 31 transitions. [2024-11-13 23:16:13,255 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 31 transitions. [2024-11-13 23:16:13,255 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-13 23:16:13,256 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:16:13,256 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:16:13,256 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:16:13,259 INFO L229 MonitoredProcess]: Starting monitored process 30 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:16:13,261 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (30)] Waiting until timeout for monitored process [2024-11-13 23:16:13,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:16:13,583 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:16:13,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:16:13,650 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-13 23:16:13,651 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:16:13,943 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-13 23:16:13,947 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (30)] Forceful destruction successful, exit code 0 [2024-11-13 23:16:13,951 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:16:13,951 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 21 states and 31 transitions. [2024-11-13 23:16:13,951 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 31 transitions. [2024-11-13 23:16:13,951 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-13 23:16:13,952 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:16:13,952 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:16:13,952 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:16:13,956 INFO L229 MonitoredProcess]: Starting monitored process 31 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:16:13,959 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (31)] Waiting until timeout for monitored process [2024-11-13 23:16:14,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:16:14,213 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:16:14,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:16:14,257 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-13 23:16:14,258 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:16:14,494 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 14 proven. 2 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2024-11-13 23:16:14,497 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (31)] Ended with exit code 0 [2024-11-13 23:16:14,500 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:16:14,500 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 21 states and 31 transitions. [2024-11-13 23:16:14,500 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 31 transitions. [2024-11-13 23:16:14,501 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-13 23:16:14,501 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:16:14,501 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:16:14,501 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:16:14,502 INFO L229 MonitoredProcess]: Starting monitored process 32 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:16:14,504 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (32)] Waiting until timeout for monitored process [2024-11-13 23:16:14,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:16:14,847 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:16:14,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:16:14,899 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-13 23:16:14,900 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:16:15,177 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-13 23:16:15,180 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (32)] Ended with exit code 0 [2024-11-13 23:16:15,183 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:16:15,183 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 21 states and 31 transitions. [2024-11-13 23:16:15,184 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 31 transitions. [2024-11-13 23:16:15,184 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-13 23:16:15,184 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:16:15,184 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:16:15,184 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:16:15,188 INFO L229 MonitoredProcess]: Starting monitored process 33 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:16:15,190 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (33)] Waiting until timeout for monitored process [2024-11-13 23:16:15,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:16:15,460 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:16:15,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:16:15,492 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-13 23:16:15,493 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:16:15,785 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-13 23:16:15,789 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (33)] Ended with exit code 0 [2024-11-13 23:16:15,791 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:16:15,792 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 21 states and 31 transitions. [2024-11-13 23:16:15,792 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 31 transitions. [2024-11-13 23:16:15,792 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-13 23:16:15,792 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:16:15,792 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:16:15,793 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:16:15,796 INFO L229 MonitoredProcess]: Starting monitored process 34 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:16:15,799 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (34)] Waiting until timeout for monitored process [2024-11-13 23:16:16,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:16:16,044 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:16:16,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:16:16,085 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-13 23:16:16,086 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:16:16,376 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-13 23:16:16,379 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (34)] Forceful destruction successful, exit code 0 [2024-11-13 23:16:16,382 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:16:16,383 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 21 states and 31 transitions. [2024-11-13 23:16:16,383 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 31 transitions. [2024-11-13 23:16:16,383 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-13 23:16:16,383 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:16:16,383 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:16:16,383 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:16:16,385 INFO L229 MonitoredProcess]: Starting monitored process 35 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:16:16,387 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (35)] Waiting until timeout for monitored process [2024-11-13 23:16:16,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:16:16,667 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:16:16,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:16:16,704 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-13 23:16:16,705 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:16:16,976 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 14 proven. 2 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2024-11-13 23:16:16,979 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (35)] Ended with exit code 0 [2024-11-13 23:16:16,982 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:16:16,982 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 21 states and 31 transitions. [2024-11-13 23:16:16,983 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 31 transitions. [2024-11-13 23:16:16,983 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-13 23:16:16,983 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:16:16,983 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:16:16,983 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:16:16,985 INFO L229 MonitoredProcess]: Starting monitored process 36 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:16:16,987 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (36)] Waiting until timeout for monitored process [2024-11-13 23:16:17,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:16:17,260 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:16:17,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:16:17,298 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-13 23:16:17,299 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:16:17,633 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-13 23:16:17,637 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (36)] Ended with exit code 0 [2024-11-13 23:16:17,641 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:16:17,641 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 21 states and 31 transitions. [2024-11-13 23:16:17,641 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 31 transitions. [2024-11-13 23:16:17,642 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-13 23:16:17,642 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:16:17,642 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:16:17,642 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:16:17,646 INFO L229 MonitoredProcess]: Starting monitored process 37 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:16:17,648 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (37)] Waiting until timeout for monitored process [2024-11-13 23:16:17,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:16:17,909 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:16:17,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:16:17,970 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-13 23:16:17,971 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:16:18,250 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-13 23:16:18,253 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (37)] Ended with exit code 0 [2024-11-13 23:16:18,255 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:16:18,255 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 21 states and 31 transitions. [2024-11-13 23:16:18,255 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 31 transitions. [2024-11-13 23:16:18,256 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-13 23:16:18,256 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:16:18,256 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:16:18,256 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:16:18,257 INFO L229 MonitoredProcess]: Starting monitored process 38 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:16:18,259 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (38)] Waiting until timeout for monitored process [2024-11-13 23:16:18,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:16:18,504 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:16:18,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:16:18,549 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-13 23:16:18,550 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:16:18,819 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 14 proven. 2 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2024-11-13 23:16:18,822 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (38)] Ended with exit code 0 [2024-11-13 23:16:18,824 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:16:18,824 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 21 states and 31 transitions. [2024-11-13 23:16:18,824 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 31 transitions. [2024-11-13 23:16:18,825 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-13 23:16:18,825 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:16:18,825 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:16:18,825 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:16:18,827 INFO L229 MonitoredProcess]: Starting monitored process 39 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:16:18,829 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (39)] Waiting until timeout for monitored process [2024-11-13 23:16:19,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:16:19,124 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:16:19,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:16:19,157 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-13 23:16:19,158 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:16:19,444 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-13 23:16:19,448 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (39)] Ended with exit code 0 [2024-11-13 23:16:19,452 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:16:19,454 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 21 states and 31 transitions. [2024-11-13 23:16:19,455 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 31 transitions. [2024-11-13 23:16:19,455 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-13 23:16:19,455 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:16:19,456 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:16:19,456 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:16:19,458 INFO L229 MonitoredProcess]: Starting monitored process 40 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:16:19,461 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (40)] Waiting until timeout for monitored process [2024-11-13 23:16:19,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:16:19,838 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:16:19,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:16:19,917 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-13 23:16:19,918 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:16:20,180 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-13 23:16:20,183 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (40)] Ended with exit code 0 [2024-11-13 23:16:20,185 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:16:20,186 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 21 states and 31 transitions. [2024-11-13 23:16:20,186 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 31 transitions. [2024-11-13 23:16:20,186 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-13 23:16:20,186 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:16:20,186 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:16:20,186 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:16:20,189 INFO L229 MonitoredProcess]: Starting monitored process 41 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:16:20,193 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (41)] Waiting until timeout for monitored process [2024-11-13 23:16:20,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:16:20,544 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:16:20,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:16:20,595 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-13 23:16:20,596 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:16:20,902 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 14 proven. 2 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2024-11-13 23:16:20,905 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (41)] Ended with exit code 0 [2024-11-13 23:16:20,908 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:16:20,909 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 21 states and 31 transitions. [2024-11-13 23:16:20,909 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 31 transitions. [2024-11-13 23:16:20,909 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-13 23:16:20,909 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:16:20,909 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:16:20,910 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:16:20,911 INFO L229 MonitoredProcess]: Starting monitored process 42 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:16:20,913 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (42)] Waiting until timeout for monitored process [2024-11-13 23:16:21,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:16:21,194 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:16:21,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:16:21,252 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-13 23:16:21,253 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:16:21,523 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-13 23:16:21,527 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (42)] Ended with exit code 0 [2024-11-13 23:16:21,531 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:16:21,532 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 21 states and 31 transitions. [2024-11-13 23:16:21,532 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 31 transitions. [2024-11-13 23:16:21,532 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-13 23:16:21,532 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:16:21,532 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:16:21,532 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:16:21,534 INFO L229 MonitoredProcess]: Starting monitored process 43 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:16:21,535 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (43)] Waiting until timeout for monitored process [2024-11-13 23:16:21,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:16:21,805 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:16:21,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:16:21,862 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-13 23:16:21,863 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:16:22,150 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-13 23:16:22,154 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (43)] Ended with exit code 0 [2024-11-13 23:16:22,156 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:16:22,156 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 21 states and 31 transitions. [2024-11-13 23:16:22,156 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 31 transitions. [2024-11-13 23:16:22,157 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-13 23:16:22,157 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:16:22,157 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:16:22,157 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:16:22,159 INFO L229 MonitoredProcess]: Starting monitored process 44 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:16:22,160 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (44)] Waiting until timeout for monitored process [2024-11-13 23:16:22,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:16:22,480 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:16:22,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:16:22,558 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-13 23:16:22,559 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:16:22,841 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-13 23:16:22,844 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (44)] Ended with exit code 0 [2024-11-13 23:16:22,846 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:16:22,846 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 21 states and 31 transitions. [2024-11-13 23:16:22,847 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 31 transitions. [2024-11-13 23:16:22,847 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-13 23:16:22,847 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:16:22,847 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:16:22,847 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:16:22,849 INFO L229 MonitoredProcess]: Starting monitored process 45 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:16:22,851 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (45)] Waiting until timeout for monitored process [2024-11-13 23:16:23,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:16:23,085 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:16:23,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:16:23,130 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-13 23:16:23,131 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:16:23,563 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-13 23:16:23,567 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (45)] Ended with exit code 0 [2024-11-13 23:16:23,575 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:16:23,575 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 21 states and 31 transitions. [2024-11-13 23:16:23,576 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 31 transitions. [2024-11-13 23:16:23,576 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-13 23:16:23,576 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:16:23,576 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:16:23,576 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:16:23,578 INFO L229 MonitoredProcess]: Starting monitored process 46 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:16:23,580 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (46)] Waiting until timeout for monitored process [2024-11-13 23:16:23,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:16:23,885 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:16:23,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:16:23,939 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-13 23:16:23,941 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:16:24,273 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 14 proven. 2 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2024-11-13 23:16:24,278 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (46)] Ended with exit code 0 [2024-11-13 23:16:24,283 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:16:24,283 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 21 states and 31 transitions. [2024-11-13 23:16:24,283 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 31 transitions. [2024-11-13 23:16:24,284 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-13 23:16:24,284 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:16:24,284 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:16:24,284 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:16:24,286 INFO L229 MonitoredProcess]: Starting monitored process 47 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:16:24,289 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (47)] Waiting until timeout for monitored process [2024-11-13 23:16:24,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:16:24,646 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:16:24,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:16:24,770 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-13 23:16:24,771 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:16:25,173 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-13 23:16:25,176 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (47)] Ended with exit code 0 [2024-11-13 23:16:25,179 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:16:25,179 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 21 states and 31 transitions. [2024-11-13 23:16:25,179 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 31 transitions. [2024-11-13 23:16:25,180 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-13 23:16:25,180 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:16:25,180 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:16:25,180 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:16:25,182 INFO L229 MonitoredProcess]: Starting monitored process 48 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:16:25,183 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (48)] Waiting until timeout for monitored process [2024-11-13 23:16:25,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:16:25,517 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:16:25,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:16:25,557 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-13 23:16:25,559 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:16:25,918 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-13 23:16:25,921 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (48)] Ended with exit code 0 [2024-11-13 23:16:25,924 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:16:25,924 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 21 states and 31 transitions. [2024-11-13 23:16:25,924 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 31 transitions. [2024-11-13 23:16:25,924 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-13 23:16:25,924 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:16:25,925 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:16:25,925 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:16:25,926 INFO L229 MonitoredProcess]: Starting monitored process 49 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:16:25,928 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (49)] Waiting until timeout for monitored process [2024-11-13 23:16:26,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:16:26,237 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:16:26,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:16:26,280 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-13 23:16:26,281 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:16:26,609 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-13 23:16:26,612 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (49)] Forceful destruction successful, exit code 0 [2024-11-13 23:16:26,613 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:16:26,614 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 21 states and 31 transitions. [2024-11-13 23:16:26,614 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 31 transitions. [2024-11-13 23:16:26,614 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-13 23:16:26,614 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:16:26,614 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:16:26,614 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:16:26,616 INFO L229 MonitoredProcess]: Starting monitored process 50 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:16:26,617 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (50)] Waiting until timeout for monitored process [2024-11-13 23:16:26,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:16:26,956 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:16:26,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:16:26,998 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-13 23:16:26,998 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:16:27,370 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-13 23:16:27,373 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (50)] Ended with exit code 0 [2024-11-13 23:16:27,376 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:16:27,376 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 21 states and 31 transitions. [2024-11-13 23:16:27,376 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 31 transitions. [2024-11-13 23:16:27,376 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-13 23:16:27,377 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:16:27,377 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:16:27,377 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:16:27,379 INFO L229 MonitoredProcess]: Starting monitored process 51 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:16:27,380 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (51)] Waiting until timeout for monitored process [2024-11-13 23:16:27,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:16:27,699 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:16:27,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:16:27,748 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-13 23:16:27,749 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:16:28,040 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 14 proven. 2 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2024-11-13 23:16:28,043 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (51)] Ended with exit code 0 [2024-11-13 23:16:28,045 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:16:28,045 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 21 states and 31 transitions. [2024-11-13 23:16:28,045 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 31 transitions. [2024-11-13 23:16:28,046 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-13 23:16:28,046 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:16:28,046 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:16:28,046 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:16:28,048 INFO L229 MonitoredProcess]: Starting monitored process 52 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:16:28,049 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (52)] Waiting until timeout for monitored process [2024-11-13 23:16:28,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:16:28,369 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:16:28,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:16:28,406 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-13 23:16:28,407 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:16:28,822 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-13 23:16:28,826 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (52)] Ended with exit code 0 [2024-11-13 23:16:28,828 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:16:28,829 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 21 states and 31 transitions. [2024-11-13 23:16:28,829 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 31 transitions. [2024-11-13 23:16:28,829 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-13 23:16:28,829 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:16:28,829 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:16:28,829 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:16:28,831 INFO L229 MonitoredProcess]: Starting monitored process 53 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:16:28,832 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (53)] Waiting until timeout for monitored process [2024-11-13 23:16:29,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:16:29,144 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:16:29,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:16:29,225 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-13 23:16:29,226 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:16:29,546 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-13 23:16:29,550 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (53)] Ended with exit code 0 [2024-11-13 23:16:29,554 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:16:29,554 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 21 states and 31 transitions. [2024-11-13 23:16:29,554 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 31 transitions. [2024-11-13 23:16:29,554 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-13 23:16:29,554 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:16:29,555 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:16:29,555 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:16:29,558 INFO L229 MonitoredProcess]: Starting monitored process 54 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:16:29,560 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (54)] Waiting until timeout for monitored process [2024-11-13 23:16:29,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:16:29,873 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:16:29,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:16:29,922 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-13 23:16:29,923 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:16:30,187 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-13 23:16:30,191 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (54)] Ended with exit code 0 [2024-11-13 23:16:30,192 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:16:30,193 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 21 states and 31 transitions. [2024-11-13 23:16:30,193 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 31 transitions. [2024-11-13 23:16:30,193 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-13 23:16:30,193 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:16:30,193 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:16:30,193 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:16:30,196 INFO L229 MonitoredProcess]: Starting monitored process 55 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:16:30,197 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (55)] Waiting until timeout for monitored process [2024-11-13 23:16:30,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:16:30,504 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:16:30,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:16:30,543 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-13 23:16:30,544 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:16:30,869 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-13 23:16:30,872 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (55)] Ended with exit code 0 [2024-11-13 23:16:30,875 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:16:30,875 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 21 states and 31 transitions. [2024-11-13 23:16:30,875 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 31 transitions. [2024-11-13 23:16:30,875 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-13 23:16:30,875 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:16:30,875 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:16:30,875 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:16:30,879 INFO L229 MonitoredProcess]: Starting monitored process 56 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:16:30,881 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (56)] Waiting until timeout for monitored process [2024-11-13 23:16:31,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:16:31,194 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:16:31,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:16:31,266 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-13 23:16:31,267 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:16:31,584 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-13 23:16:31,588 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (56)] Ended with exit code 0 [2024-11-13 23:16:31,590 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:16:31,590 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 21 states and 31 transitions. [2024-11-13 23:16:31,590 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 31 transitions. [2024-11-13 23:16:31,590 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-13 23:16:31,590 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:16:31,590 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:16:31,591 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:16:31,593 INFO L229 MonitoredProcess]: Starting monitored process 57 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:16:31,594 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (57)] Waiting until timeout for monitored process [2024-11-13 23:16:31,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:16:31,889 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:16:31,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:16:31,969 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-13 23:16:31,971 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:16:32,246 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-13 23:16:32,249 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (57)] Ended with exit code 0 [2024-11-13 23:16:32,251 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:16:32,251 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 21 states and 31 transitions. [2024-11-13 23:16:32,251 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 31 transitions. [2024-11-13 23:16:32,251 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-13 23:16:32,251 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:16:32,251 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:16:32,251 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:16:32,255 INFO L229 MonitoredProcess]: Starting monitored process 58 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:16:32,257 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (58)] Waiting until timeout for monitored process [2024-11-13 23:16:32,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:16:32,551 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:16:32,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:16:32,603 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-13 23:16:32,604 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:16:32,961 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-13 23:16:32,964 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (58)] Ended with exit code 0 [2024-11-13 23:16:32,966 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:16:32,966 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 21 states and 31 transitions. [2024-11-13 23:16:32,967 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 31 transitions. [2024-11-13 23:16:32,967 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-13 23:16:32,967 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:16:32,967 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:16:32,967 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:16:32,971 INFO L229 MonitoredProcess]: Starting monitored process 59 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:16:32,974 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (59)] Waiting until timeout for monitored process [2024-11-13 23:16:33,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:16:33,244 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:16:33,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:16:33,280 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-13 23:16:33,281 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:16:33,585 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-13 23:16:33,588 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (59)] Forceful destruction successful, exit code 0 [2024-11-13 23:16:33,590 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:16:33,591 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 21 states and 31 transitions. [2024-11-13 23:16:33,591 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 31 transitions. [2024-11-13 23:16:33,591 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-13 23:16:33,591 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:16:33,591 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:16:33,591 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:16:33,593 INFO L229 MonitoredProcess]: Starting monitored process 60 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:16:33,594 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (60)] Waiting until timeout for monitored process [2024-11-13 23:16:33,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:16:33,882 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:16:33,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:16:33,960 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-13 23:16:33,960 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:16:34,303 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-13 23:16:34,306 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (60)] Ended with exit code 0 [2024-11-13 23:16:34,309 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:16:34,309 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 21 states and 31 transitions. [2024-11-13 23:16:34,309 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 31 transitions. [2024-11-13 23:16:34,309 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-13 23:16:34,309 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:16:34,309 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:16:34,310 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:16:34,311 INFO L229 MonitoredProcess]: Starting monitored process 61 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:16:34,316 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (61)] Waiting until timeout for monitored process [2024-11-13 23:16:34,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:16:34,577 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:16:34,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:16:34,624 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-13 23:16:34,625 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:16:34,852 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 14 proven. 2 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2024-11-13 23:16:34,855 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (61)] Forceful destruction successful, exit code 0 [2024-11-13 23:16:34,858 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:16:34,858 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 21 states and 31 transitions. [2024-11-13 23:16:34,858 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 31 transitions. [2024-11-13 23:16:34,858 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-13 23:16:34,858 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:16:34,858 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:16:34,859 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:16:34,861 INFO L229 MonitoredProcess]: Starting monitored process 62 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:16:34,863 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (62)] Waiting until timeout for monitored process [2024-11-13 23:16:35,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:16:35,189 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:16:35,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:16:35,226 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-13 23:16:35,227 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:16:35,523 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-13 23:16:35,526 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (62)] Forceful destruction successful, exit code 0 [2024-11-13 23:16:35,529 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:16:35,529 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 21 states and 31 transitions. [2024-11-13 23:16:35,529 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 31 transitions. [2024-11-13 23:16:35,529 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-13 23:16:35,529 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:16:35,529 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:16:35,530 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:16:35,531 INFO L229 MonitoredProcess]: Starting monitored process 63 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:16:35,533 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (63)] Waiting until timeout for monitored process [2024-11-13 23:16:35,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:16:35,764 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:16:35,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:16:35,860 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-13 23:16:35,861 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:16:36,138 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-13 23:16:36,141 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (63)] Forceful destruction successful, exit code 0 [2024-11-13 23:16:36,142 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:16:36,143 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 21 states and 31 transitions. [2024-11-13 23:16:36,143 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 31 transitions. [2024-11-13 23:16:36,143 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-13 23:16:36,143 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:16:36,143 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:16:36,143 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:16:36,148 INFO L229 MonitoredProcess]: Starting monitored process 64 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:16:36,151 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (64)] Waiting until timeout for monitored process [2024-11-13 23:16:36,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:16:36,384 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:16:36,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:16:36,416 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-13 23:16:36,417 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:16:36,693 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-13 23:16:36,696 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (64)] Ended with exit code 0 [2024-11-13 23:16:36,699 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:16:36,699 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 21 states and 31 transitions. [2024-11-13 23:16:36,699 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 31 transitions. [2024-11-13 23:16:36,699 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-13 23:16:36,699 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:16:36,699 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:16:36,699 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:16:36,704 INFO L229 MonitoredProcess]: Starting monitored process 65 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:16:36,705 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (65)] Waiting until timeout for monitored process [2024-11-13 23:16:36,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:16:36,936 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:16:36,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:16:36,976 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-13 23:16:36,977 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:16:37,203 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 14 proven. 2 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2024-11-13 23:16:37,206 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (65)] Ended with exit code 0 [2024-11-13 23:16:37,211 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:16:37,211 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 21 states and 31 transitions. [2024-11-13 23:16:37,211 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 31 transitions. [2024-11-13 23:16:37,212 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-13 23:16:37,212 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:16:37,212 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:16:37,212 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:16:37,213 INFO L229 MonitoredProcess]: Starting monitored process 66 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:16:37,215 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (66)] Waiting until timeout for monitored process [2024-11-13 23:16:37,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:16:37,446 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:16:37,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:16:37,497 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-13 23:16:37,498 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:16:37,771 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-13 23:16:37,774 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (66)] Forceful destruction successful, exit code 0 [2024-11-13 23:16:37,776 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:16:37,776 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 21 states and 31 transitions. [2024-11-13 23:16:37,777 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 31 transitions. [2024-11-13 23:16:37,777 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-13 23:16:37,777 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:16:37,777 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:16:37,777 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:16:37,779 INFO L229 MonitoredProcess]: Starting monitored process 67 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:16:37,781 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (67)] Waiting until timeout for monitored process [2024-11-13 23:16:38,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:16:38,030 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:16:38,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:16:38,087 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-13 23:16:38,088 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:16:38,358 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-13 23:16:38,360 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (67)] Forceful destruction successful, exit code 0 [2024-11-13 23:16:38,362 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:16:38,363 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 21 states and 31 transitions. [2024-11-13 23:16:38,363 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 31 transitions. [2024-11-13 23:16:38,363 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-13 23:16:38,363 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:16:38,363 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:16:38,363 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:16:38,365 INFO L229 MonitoredProcess]: Starting monitored process 68 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:16:38,367 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (68)] Waiting until timeout for monitored process [2024-11-13 23:16:38,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:16:38,595 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:16:38,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:16:38,647 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-13 23:16:38,648 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:16:38,964 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-13 23:16:38,967 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (68)] Ended with exit code 0 [2024-11-13 23:16:38,970 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:16:38,971 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 21 states and 31 transitions. [2024-11-13 23:16:38,971 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 31 transitions. [2024-11-13 23:16:38,971 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-13 23:16:38,971 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:16:38,971 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:16:38,971 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:16:38,973 INFO L229 MonitoredProcess]: Starting monitored process 69 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:16:38,975 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (69)] Waiting until timeout for monitored process [2024-11-13 23:16:39,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:16:39,230 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:16:39,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:16:39,271 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-13 23:16:39,272 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:16:39,632 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-13 23:16:39,636 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (69)] Ended with exit code 0 [2024-11-13 23:16:39,639 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:16:39,639 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 21 states and 31 transitions. [2024-11-13 23:16:39,639 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 31 transitions. [2024-11-13 23:16:39,639 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-13 23:16:39,639 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:16:39,639 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:16:39,639 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:16:39,641 INFO L229 MonitoredProcess]: Starting monitored process 70 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:16:39,643 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (70)] Waiting until timeout for monitored process [2024-11-13 23:16:39,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:16:39,904 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:16:39,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:16:39,934 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-13 23:16:39,934 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:16:40,232 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-13 23:16:40,235 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (70)] Forceful destruction successful, exit code 0 [2024-11-13 23:16:40,237 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:16:40,237 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 21 states and 31 transitions. [2024-11-13 23:16:40,237 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 31 transitions. [2024-11-13 23:16:40,237 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-13 23:16:40,237 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:16:40,237 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:16:40,237 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:16:40,239 INFO L229 MonitoredProcess]: Starting monitored process 71 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:16:40,240 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (71)] Waiting until timeout for monitored process [2024-11-13 23:16:40,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:16:40,480 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:16:40,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:16:40,524 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-13 23:16:40,526 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:16:40,855 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-13 23:16:40,858 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (71)] Ended with exit code 0 [2024-11-13 23:16:40,860 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:16:40,860 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 21 states and 31 transitions. [2024-11-13 23:16:40,860 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 31 transitions. [2024-11-13 23:16:40,860 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-13 23:16:40,860 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:16:40,860 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:16:40,860 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:16:40,862 INFO L229 MonitoredProcess]: Starting monitored process 72 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:16:40,864 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (72)] Waiting until timeout for monitored process [2024-11-13 23:16:41,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:16:41,095 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:16:41,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:16:41,136 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-13 23:16:41,137 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:16:41,383 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 14 proven. 2 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2024-11-13 23:16:41,385 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (72)] Ended with exit code 0 [2024-11-13 23:16:41,388 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:16:41,388 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 21 states and 31 transitions. [2024-11-13 23:16:41,388 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 31 transitions. [2024-11-13 23:16:41,388 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-13 23:16:41,388 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:16:41,389 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:16:41,389 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:16:41,392 INFO L229 MonitoredProcess]: Starting monitored process 73 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:16:41,394 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (73)] Waiting until timeout for monitored process [2024-11-13 23:16:41,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:16:41,617 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:16:41,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:16:41,648 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-13 23:16:41,650 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:16:42,052 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-13 23:16:42,055 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (73)] Ended with exit code 0 [2024-11-13 23:16:42,058 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:16:42,058 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 21 states and 31 transitions. [2024-11-13 23:16:42,058 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 31 transitions. [2024-11-13 23:16:42,058 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-13 23:16:42,059 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:16:42,059 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:16:42,059 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:16:42,061 INFO L229 MonitoredProcess]: Starting monitored process 74 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:16:42,064 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (74)] Waiting until timeout for monitored process [2024-11-13 23:16:42,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:16:42,301 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:16:42,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:16:42,340 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-13 23:16:42,341 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:16:42,607 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-13 23:16:42,610 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (74)] Ended with exit code 0 [2024-11-13 23:16:42,613 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:16:42,613 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 21 states and 31 transitions. [2024-11-13 23:16:42,613 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 31 transitions. [2024-11-13 23:16:42,614 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-13 23:16:42,614 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:16:42,614 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:16:42,614 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:16:42,618 INFO L229 MonitoredProcess]: Starting monitored process 75 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:16:42,621 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (75)] Waiting until timeout for monitored process [2024-11-13 23:16:42,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:16:42,902 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:16:42,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:16:42,948 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-13 23:16:42,949 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:16:43,221 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 14 proven. 2 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2024-11-13 23:16:43,226 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (75)] Ended with exit code 0 [2024-11-13 23:16:43,229 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:16:43,229 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 21 states and 31 transitions. [2024-11-13 23:16:43,229 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 31 transitions. [2024-11-13 23:16:43,230 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-13 23:16:43,230 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:16:43,230 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:16:43,230 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:16:43,232 INFO L229 MonitoredProcess]: Starting monitored process 76 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:16:43,234 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (76)] Waiting until timeout for monitored process [2024-11-13 23:16:43,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:16:43,536 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:16:43,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:16:43,568 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-13 23:16:43,569 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:16:43,889 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-13 23:16:43,892 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (76)] Ended with exit code 0 [2024-11-13 23:16:43,894 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:16:43,895 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 21 states and 31 transitions. [2024-11-13 23:16:43,895 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 31 transitions. [2024-11-13 23:16:43,895 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-13 23:16:43,895 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:16:43,895 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:16:43,895 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:16:43,897 INFO L229 MonitoredProcess]: Starting monitored process 77 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:16:43,898 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (77)] Waiting until timeout for monitored process [2024-11-13 23:16:44,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:16:44,133 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:16:44,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:16:44,185 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-13 23:16:44,185 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:16:44,454 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-13 23:16:44,457 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (77)] Ended with exit code 0 [2024-11-13 23:16:44,459 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:16:44,459 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 21 states and 31 transitions. [2024-11-13 23:16:44,459 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 31 transitions. [2024-11-13 23:16:44,459 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-13 23:16:44,459 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:16:44,460 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:16:44,460 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:16:44,461 INFO L229 MonitoredProcess]: Starting monitored process 78 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:16:44,463 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (78)] Waiting until timeout for monitored process [2024-11-13 23:16:44,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:16:44,742 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:16:44,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:16:44,805 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-13 23:16:44,806 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:16:45,171 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-13 23:16:45,174 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (78)] Forceful destruction successful, exit code 0 [2024-11-13 23:16:45,175 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:16:45,176 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 21 states and 31 transitions. [2024-11-13 23:16:45,176 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 31 transitions. [2024-11-13 23:16:45,176 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-13 23:16:45,176 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:16:45,176 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:16:45,176 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:16:45,178 INFO L229 MonitoredProcess]: Starting monitored process 79 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:16:45,179 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (79)] Waiting until timeout for monitored process [2024-11-13 23:16:45,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:16:45,430 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:16:45,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:16:45,465 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-13 23:16:45,466 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:16:45,744 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 14 proven. 2 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2024-11-13 23:16:45,747 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (79)] Forceful destruction successful, exit code 0 [2024-11-13 23:16:45,749 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:16:45,750 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 21 states and 31 transitions. [2024-11-13 23:16:45,750 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 31 transitions. [2024-11-13 23:16:45,750 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-13 23:16:45,750 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:16:45,750 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:16:45,750 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:16:45,752 INFO L229 MonitoredProcess]: Starting monitored process 80 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:16:45,753 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (80)] Waiting until timeout for monitored process [2024-11-13 23:16:45,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:16:45,976 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:16:46,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:16:46,009 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-13 23:16:46,010 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:16:46,286 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-13 23:16:46,289 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (80)] Ended with exit code 0 [2024-11-13 23:16:46,291 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:16:46,292 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 21 states and 31 transitions. [2024-11-13 23:16:46,292 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 31 transitions. [2024-11-13 23:16:46,292 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-13 23:16:46,292 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:16:46,292 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:16:46,292 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:16:46,294 INFO L229 MonitoredProcess]: Starting monitored process 81 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:16:46,295 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (81)] Waiting until timeout for monitored process [2024-11-13 23:16:46,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:16:46,519 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:16:46,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:16:46,569 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-13 23:16:46,570 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:16:46,835 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-13 23:16:46,839 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (81)] Ended with exit code 0 [2024-11-13 23:16:46,841 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:16:46,842 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 21 states and 31 transitions. [2024-11-13 23:16:46,842 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 31 transitions. [2024-11-13 23:16:46,842 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-13 23:16:46,842 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:16:46,842 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:16:46,842 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:16:46,844 INFO L229 MonitoredProcess]: Starting monitored process 82 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:16:46,845 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (82)] Waiting until timeout for monitored process [2024-11-13 23:16:47,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:16:47,134 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:16:47,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:16:47,175 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-13 23:16:47,176 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:16:47,422 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-13 23:16:47,425 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (82)] Ended with exit code 0 [2024-11-13 23:16:47,428 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:16:47,429 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 21 states and 31 transitions. [2024-11-13 23:16:47,429 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 31 transitions. [2024-11-13 23:16:47,429 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-13 23:16:47,429 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:16:47,429 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:16:47,429 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:16:47,431 INFO L229 MonitoredProcess]: Starting monitored process 83 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:16:47,443 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (83)] Waiting until timeout for monitored process [2024-11-13 23:16:47,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:16:47,778 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:16:47,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:16:47,809 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-13 23:16:47,810 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:16:48,073 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-13 23:16:48,076 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (83)] Forceful destruction successful, exit code 0 [2024-11-13 23:16:48,078 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:16:48,078 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 21 states and 31 transitions. [2024-11-13 23:16:48,079 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 31 transitions. [2024-11-13 23:16:48,079 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-13 23:16:48,079 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:16:48,079 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:16:48,079 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:16:48,081 INFO L229 MonitoredProcess]: Starting monitored process 84 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:16:48,082 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (84)] Waiting until timeout for monitored process [2024-11-13 23:16:48,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:16:48,310 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:16:48,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:16:48,343 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-13 23:16:48,344 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:16:48,589 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-13 23:16:48,592 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (84)] Ended with exit code 0 [2024-11-13 23:16:48,594 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:16:48,595 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 21 states and 31 transitions. [2024-11-13 23:16:48,595 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 31 transitions. [2024-11-13 23:16:48,595 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-13 23:16:48,595 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:16:48,595 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:16:48,595 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:16:48,597 INFO L229 MonitoredProcess]: Starting monitored process 85 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:16:48,598 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (85)] Waiting until timeout for monitored process [2024-11-13 23:16:48,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:16:48,829 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:16:48,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:16:48,868 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-13 23:16:48,869 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:16:49,130 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 14 proven. 2 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2024-11-13 23:16:49,132 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (85)] Forceful destruction successful, exit code 0 [2024-11-13 23:16:49,134 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:16:49,134 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 21 states and 31 transitions. [2024-11-13 23:16:49,135 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 31 transitions. [2024-11-13 23:16:49,135 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-13 23:16:49,135 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:16:49,135 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:16:49,135 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:16:49,136 INFO L229 MonitoredProcess]: Starting monitored process 86 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:16:49,138 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (86)] Waiting until timeout for monitored process [2024-11-13 23:16:49,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:16:49,362 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:16:49,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:16:49,394 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-13 23:16:49,395 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:16:49,700 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-13 23:16:49,703 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (86)] Forceful destruction successful, exit code 0 [2024-11-13 23:16:49,705 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:16:49,705 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 21 states and 31 transitions. [2024-11-13 23:16:49,705 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 31 transitions. [2024-11-13 23:16:49,705 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-13 23:16:49,705 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:16:49,705 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:16:49,705 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:16:49,707 INFO L229 MonitoredProcess]: Starting monitored process 87 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:16:49,708 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (87)] Waiting until timeout for monitored process [2024-11-13 23:16:49,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:16:49,984 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:16:50,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:16:50,030 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-13 23:16:50,031 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:16:50,301 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-13 23:16:50,305 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (87)] Ended with exit code 0 [2024-11-13 23:16:50,308 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:16:50,309 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 21 states and 31 transitions. [2024-11-13 23:16:50,309 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 31 transitions. [2024-11-13 23:16:50,309 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-13 23:16:50,309 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:16:50,309 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:16:50,309 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:16:50,314 INFO L229 MonitoredProcess]: Starting monitored process 88 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:16:50,318 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (88)] Waiting until timeout for monitored process [2024-11-13 23:16:50,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:16:50,547 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:16:50,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:16:50,594 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-13 23:16:50,595 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:16:50,905 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-13 23:16:50,908 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (88)] Ended with exit code 0 [2024-11-13 23:16:50,910 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:16:50,910 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 21 states and 31 transitions. [2024-11-13 23:16:50,910 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 31 transitions. [2024-11-13 23:16:50,910 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-13 23:16:50,910 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:16:50,910 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:16:50,910 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:16:50,912 INFO L229 MonitoredProcess]: Starting monitored process 89 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:16:50,913 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (89)] Waiting until timeout for monitored process [2024-11-13 23:16:51,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:16:51,184 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:16:51,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:16:51,229 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-13 23:16:51,230 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:16:51,489 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-13 23:16:51,492 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (89)] Forceful destruction successful, exit code 0 [2024-11-13 23:16:51,493 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:16:51,494 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 21 states and 31 transitions. [2024-11-13 23:16:51,494 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 31 transitions. [2024-11-13 23:16:51,494 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-13 23:16:51,494 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:16:51,494 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:16:51,494 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:16:51,496 INFO L229 MonitoredProcess]: Starting monitored process 90 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:16:51,497 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (90)] Waiting until timeout for monitored process [2024-11-13 23:16:51,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:16:51,720 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:16:51,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:16:51,751 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-13 23:16:51,752 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:16:52,009 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-13 23:16:52,012 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (90)] Forceful destruction successful, exit code 0 [2024-11-13 23:16:52,013 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:16:52,014 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 21 states and 31 transitions. [2024-11-13 23:16:52,014 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 31 transitions. [2024-11-13 23:16:52,014 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-13 23:16:52,014 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:16:52,014 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:16:52,014 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:16:52,016 INFO L229 MonitoredProcess]: Starting monitored process 91 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:16:52,016 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (91)] Waiting until timeout for monitored process [2024-11-13 23:16:52,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:16:52,237 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:16:52,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:16:52,289 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-13 23:16:52,290 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:16:52,660 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-13 23:16:52,664 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (91)] Ended with exit code 0 [2024-11-13 23:16:52,665 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:16:52,666 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 21 states and 31 transitions. [2024-11-13 23:16:52,666 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 31 transitions. [2024-11-13 23:16:52,666 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-13 23:16:52,666 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:16:52,666 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:16:52,666 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:16:52,668 INFO L229 MonitoredProcess]: Starting monitored process 92 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:16:52,669 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (92)] Waiting until timeout for monitored process [2024-11-13 23:16:52,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:16:52,890 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:16:52,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:16:52,921 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-13 23:16:52,922 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:16:53,194 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-13 23:16:53,197 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (92)] Ended with exit code 0 [2024-11-13 23:16:53,199 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:16:53,199 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 21 states and 31 transitions. [2024-11-13 23:16:53,199 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 31 transitions. [2024-11-13 23:16:53,199 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-13 23:16:53,199 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:16:53,199 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:16:53,199 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:16:53,201 INFO L229 MonitoredProcess]: Starting monitored process 93 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:16:53,202 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (93)] Waiting until timeout for monitored process [2024-11-13 23:16:53,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:16:53,434 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:16:53,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:16:53,476 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-13 23:16:53,477 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:16:53,726 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-13 23:16:53,729 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (93)] Ended with exit code 0 [2024-11-13 23:16:53,731 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:16:53,731 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 21 states and 31 transitions. [2024-11-13 23:16:53,731 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 31 transitions. [2024-11-13 23:16:53,732 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-13 23:16:53,732 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:16:53,732 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:16:53,732 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:16:53,733 INFO L229 MonitoredProcess]: Starting monitored process 94 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:16:53,735 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (94)] Waiting until timeout for monitored process [2024-11-13 23:16:53,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:16:53,959 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:16:54,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:16:54,012 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-13 23:16:54,013 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:16:54,267 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-13 23:16:54,270 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (94)] Forceful destruction successful, exit code 0 [2024-11-13 23:16:54,272 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:16:54,272 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 21 states and 31 transitions. [2024-11-13 23:16:54,272 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 31 transitions. [2024-11-13 23:16:54,272 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-13 23:16:54,272 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:16:54,273 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:16:54,273 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:16:54,274 INFO L229 MonitoredProcess]: Starting monitored process 95 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:16:54,275 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (95)] Waiting until timeout for monitored process [2024-11-13 23:16:54,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:16:54,503 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:16:54,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:16:54,549 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-13 23:16:54,550 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:16:54,853 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-13 23:16:54,856 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (95)] Ended with exit code 0 [2024-11-13 23:16:54,858 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:16:54,858 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 21 states and 31 transitions. [2024-11-13 23:16:54,858 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 31 transitions. [2024-11-13 23:16:54,858 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-13 23:16:54,858 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:16:54,858 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:16:54,858 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:16:54,860 INFO L229 MonitoredProcess]: Starting monitored process 96 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:16:54,861 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (96)] Waiting until timeout for monitored process [2024-11-13 23:16:55,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:16:55,135 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:16:55,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:16:55,165 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-13 23:16:55,166 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:16:55,429 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-13 23:16:55,431 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (96)] Forceful destruction successful, exit code 0 [2024-11-13 23:16:55,434 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:16:55,434 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 21 states and 31 transitions. [2024-11-13 23:16:55,434 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 31 transitions. [2024-11-13 23:16:55,435 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-13 23:16:55,435 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:16:55,435 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:16:55,435 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:16:55,438 INFO L229 MonitoredProcess]: Starting monitored process 97 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:16:55,441 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (97)] Waiting until timeout for monitored process [2024-11-13 23:16:55,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:16:55,679 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:16:55,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:16:55,710 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-13 23:16:55,711 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:16:55,986 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-13 23:16:55,988 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (97)] Forceful destruction successful, exit code 0 [2024-11-13 23:16:55,990 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:16:55,990 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 21 states and 31 transitions. [2024-11-13 23:16:55,990 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 31 transitions. [2024-11-13 23:16:55,990 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-13 23:16:55,990 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:16:55,991 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:16:55,991 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:16:55,992 INFO L229 MonitoredProcess]: Starting monitored process 98 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:16:55,994 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (98)] Waiting until timeout for monitored process [2024-11-13 23:16:56,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:16:56,216 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:16:56,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:16:56,293 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-13 23:16:56,294 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:16:56,621 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-13 23:16:56,624 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (98)] Ended with exit code 0 [2024-11-13 23:16:56,627 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:16:56,627 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 21 states and 31 transitions. [2024-11-13 23:16:56,627 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 31 transitions. [2024-11-13 23:16:56,628 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-13 23:16:56,628 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:16:56,628 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:16:56,628 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:16:56,629 INFO L229 MonitoredProcess]: Starting monitored process 99 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:16:56,630 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (99)] Waiting until timeout for monitored process [2024-11-13 23:16:56,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:16:56,880 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:16:56,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:16:56,923 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-13 23:16:56,924 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:16:57,193 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-13 23:16:57,196 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (99)] Forceful destruction successful, exit code 0 [2024-11-13 23:16:57,198 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:16:57,199 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 21 states and 31 transitions. [2024-11-13 23:16:57,199 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 31 transitions. [2024-11-13 23:16:57,199 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-13 23:16:57,199 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:16:57,199 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:16:57,199 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:16:57,200 INFO L229 MonitoredProcess]: Starting monitored process 100 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:16:57,203 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (100)] Waiting until timeout for monitored process [2024-11-13 23:16:57,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:16:57,432 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:16:57,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:16:57,470 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-13 23:16:57,470 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:16:57,725 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-13 23:16:57,727 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (100)] Ended with exit code 0 [2024-11-13 23:16:57,729 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:16:57,730 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 21 states and 31 transitions. [2024-11-13 23:16:57,730 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 31 transitions. [2024-11-13 23:16:57,730 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-13 23:16:57,730 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:16:57,730 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:16:57,730 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:16:57,736 INFO L229 MonitoredProcess]: Starting monitored process 101 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:16:57,737 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (101)] Waiting until timeout for monitored process [2024-11-13 23:16:57,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:16:57,965 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:16:58,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:16:58,054 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-13 23:16:58,055 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:16:58,336 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-13 23:16:58,339 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (101)] Ended with exit code 0 [2024-11-13 23:16:58,341 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:16:58,342 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 21 states and 31 transitions. [2024-11-13 23:16:58,342 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 31 transitions. [2024-11-13 23:16:58,342 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-13 23:16:58,342 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:16:58,342 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:16:58,342 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:16:58,343 INFO L229 MonitoredProcess]: Starting monitored process 102 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:16:58,344 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (102)] Waiting until timeout for monitored process [2024-11-13 23:16:58,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:16:58,585 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:16:58,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:16:58,632 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-13 23:16:58,633 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:16:58,885 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-13 23:16:58,888 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (102)] Forceful destruction successful, exit code 0 [2024-11-13 23:16:58,890 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:16:58,890 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 21 states and 31 transitions. [2024-11-13 23:16:58,890 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 31 transitions. [2024-11-13 23:16:58,890 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-13 23:16:58,890 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:16:58,890 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:16:58,890 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:16:58,892 INFO L229 MonitoredProcess]: Starting monitored process 103 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:16:58,893 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (103)] Waiting until timeout for monitored process [2024-11-13 23:16:59,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:16:59,169 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:16:59,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:16:59,231 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-13 23:16:59,232 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:16:59,556 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-13 23:16:59,559 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (103)] Ended with exit code 0 [2024-11-13 23:16:59,562 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:16:59,563 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 21 states and 31 transitions. [2024-11-13 23:16:59,563 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 31 transitions. [2024-11-13 23:16:59,563 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-13 23:16:59,563 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:16:59,563 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:16:59,563 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:16:59,565 INFO L229 MonitoredProcess]: Starting monitored process 104 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:16:59,566 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (104)] Waiting until timeout for monitored process [2024-11-13 23:16:59,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:16:59,828 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:16:59,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:16:59,908 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-13 23:16:59,909 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:17:00,304 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-13 23:17:00,309 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (104)] Ended with exit code 0 [2024-11-13 23:17:00,314 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:17:00,314 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 21 states and 31 transitions. [2024-11-13 23:17:00,314 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 31 transitions. [2024-11-13 23:17:00,314 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-13 23:17:00,314 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:17:00,315 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:17:00,315 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:17:00,317 INFO L229 MonitoredProcess]: Starting monitored process 105 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:17:00,320 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (105)] Waiting until timeout for monitored process [2024-11-13 23:17:00,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:17:00,568 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:17:00,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:17:00,598 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-13 23:17:00,599 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:17:00,852 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-13 23:17:00,855 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (105)] Forceful destruction successful, exit code 0 [2024-11-13 23:17:00,857 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:17:00,857 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 21 states and 31 transitions. [2024-11-13 23:17:00,857 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 31 transitions. [2024-11-13 23:17:00,857 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-13 23:17:00,857 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:17:00,857 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:17:00,857 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:17:00,859 INFO L229 MonitoredProcess]: Starting monitored process 106 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:17:00,860 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (106)] Waiting until timeout for monitored process [2024-11-13 23:17:01,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:17:01,094 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:17:01,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:17:01,124 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-13 23:17:01,125 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:17:01,376 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-13 23:17:01,379 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (106)] Ended with exit code 0 [2024-11-13 23:17:01,381 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:17:01,382 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 21 states and 31 transitions. [2024-11-13 23:17:01,382 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 31 transitions. [2024-11-13 23:17:01,382 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-13 23:17:01,382 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:17:01,382 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:17:01,382 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:17:01,384 INFO L229 MonitoredProcess]: Starting monitored process 107 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:17:01,385 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (107)] Waiting until timeout for monitored process [2024-11-13 23:17:01,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:17:01,610 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:17:01,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:17:01,677 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-13 23:17:01,678 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:17:01,956 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-13 23:17:01,959 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (107)] Forceful destruction successful, exit code 0 [2024-11-13 23:17:01,961 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:17:01,961 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 21 states and 31 transitions. [2024-11-13 23:17:01,961 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 31 transitions. [2024-11-13 23:17:01,961 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-13 23:17:01,962 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:17:01,962 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:17:01,962 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:17:01,965 INFO L229 MonitoredProcess]: Starting monitored process 108 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:17:01,967 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (108)] Waiting until timeout for monitored process [2024-11-13 23:17:02,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:17:02,194 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:17:02,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:17:02,227 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-13 23:17:02,228 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:17:02,497 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-13 23:17:02,500 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (108)] Forceful destruction successful, exit code 0 [2024-11-13 23:17:02,502 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:17:02,503 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 21 states and 31 transitions. [2024-11-13 23:17:02,503 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 31 transitions. [2024-11-13 23:17:02,503 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-13 23:17:02,503 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:17:02,503 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:17:02,503 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:17:02,505 INFO L229 MonitoredProcess]: Starting monitored process 109 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:17:02,506 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (109)] Waiting until timeout for monitored process [2024-11-13 23:17:02,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:17:02,732 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:17:02,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:17:02,794 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-13 23:17:02,795 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:17:03,069 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-13 23:17:03,072 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (109)] Ended with exit code 0 [2024-11-13 23:17:03,074 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:17:03,075 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 21 states and 31 transitions. [2024-11-13 23:17:03,075 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 31 transitions. [2024-11-13 23:17:03,075 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-13 23:17:03,075 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:17:03,075 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:17:03,075 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:17:03,077 INFO L229 MonitoredProcess]: Starting monitored process 110 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:17:03,078 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (110)] Waiting until timeout for monitored process [2024-11-13 23:17:03,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:17:03,314 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:17:03,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:17:03,345 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-13 23:17:03,346 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:17:03,593 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-13 23:17:03,596 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (110)] Ended with exit code 0 [2024-11-13 23:17:03,598 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:17:03,598 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 21 states and 31 transitions. [2024-11-13 23:17:03,598 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 31 transitions. [2024-11-13 23:17:03,598 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-13 23:17:03,599 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:17:03,599 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:17:03,599 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:17:03,601 INFO L229 MonitoredProcess]: Starting monitored process 111 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:17:03,603 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (111)] Waiting until timeout for monitored process [2024-11-13 23:17:03,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:17:03,825 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:17:03,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:17:03,858 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-13 23:17:03,859 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:17:04,116 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-13 23:17:04,119 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (111)] Forceful destruction successful, exit code 0 [2024-11-13 23:17:04,121 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:17:04,121 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 21 states and 31 transitions. [2024-11-13 23:17:04,121 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 31 transitions. [2024-11-13 23:17:04,122 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-13 23:17:04,122 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:17:04,122 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:17:04,122 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:17:04,123 INFO L229 MonitoredProcess]: Starting monitored process 112 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:17:04,125 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (112)] Waiting until timeout for monitored process [2024-11-13 23:17:04,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:17:04,372 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:17:04,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:17:04,414 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-13 23:17:04,415 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:17:04,646 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 14 proven. 2 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2024-11-13 23:17:04,651 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (112)] Ended with exit code 0 [2024-11-13 23:17:04,653 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:17:04,654 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 21 states and 31 transitions. [2024-11-13 23:17:04,654 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 31 transitions. [2024-11-13 23:17:04,654 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-13 23:17:04,654 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:17:04,654 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:17:04,654 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:17:04,656 INFO L229 MonitoredProcess]: Starting monitored process 113 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:17:04,659 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (113)] Waiting until timeout for monitored process [2024-11-13 23:17:04,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:17:04,905 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:17:04,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:17:04,983 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-13 23:17:04,983 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:17:05,240 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-13 23:17:05,244 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (113)] Ended with exit code 0 [2024-11-13 23:17:05,247 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:17:05,247 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 21 states and 31 transitions. [2024-11-13 23:17:05,247 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 31 transitions. [2024-11-13 23:17:05,248 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-13 23:17:05,248 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:17:05,248 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:17:05,248 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:17:05,251 INFO L229 MonitoredProcess]: Starting monitored process 114 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:17:05,254 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (114)] Waiting until timeout for monitored process [2024-11-13 23:17:05,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:17:05,504 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:17:05,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:17:05,542 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-13 23:17:05,543 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:17:05,796 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-13 23:17:05,799 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (114)] Forceful destruction successful, exit code 0 [2024-11-13 23:17:05,802 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:17:05,802 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 21 states and 31 transitions. [2024-11-13 23:17:05,802 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 31 transitions. [2024-11-13 23:17:05,802 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-13 23:17:05,802 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:17:05,802 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:17:05,802 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:17:05,805 INFO L229 MonitoredProcess]: Starting monitored process 115 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:17:05,807 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (115)] Waiting until timeout for monitored process [2024-11-13 23:17:06,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:17:06,082 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:17:06,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:17:06,114 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-13 23:17:06,115 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:17:06,396 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-13 23:17:06,399 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (115)] Ended with exit code 0 [2024-11-13 23:17:06,400 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:17:06,401 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 21 states and 31 transitions. [2024-11-13 23:17:06,401 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 31 transitions. [2024-11-13 23:17:06,401 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-13 23:17:06,401 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:17:06,401 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:17:06,401 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:17:06,403 INFO L229 MonitoredProcess]: Starting monitored process 116 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:17:06,404 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (116)] Waiting until timeout for monitored process [2024-11-13 23:17:06,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:17:06,626 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:17:06,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:17:06,678 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-13 23:17:06,679 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:17:06,924 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-13 23:17:06,926 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (116)] Forceful destruction successful, exit code 0 [2024-11-13 23:17:06,928 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:17:06,928 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 21 states and 31 transitions. [2024-11-13 23:17:06,929 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 31 transitions. [2024-11-13 23:17:06,929 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-13 23:17:06,929 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:17:06,929 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:17:06,929 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:17:06,931 INFO L229 MonitoredProcess]: Starting monitored process 117 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:17:06,933 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (117)] Waiting until timeout for monitored process [2024-11-13 23:17:07,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:17:07,155 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:17:07,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:17:07,185 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-13 23:17:07,186 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:17:07,455 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-13 23:17:07,457 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (117)] Ended with exit code 0 [2024-11-13 23:17:07,459 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:17:07,459 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 21 states and 31 transitions. [2024-11-13 23:17:07,459 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 31 transitions. [2024-11-13 23:17:07,459 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-13 23:17:07,460 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:17:07,460 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:17:07,460 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:17:07,463 INFO L229 MonitoredProcess]: Starting monitored process 118 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:17:07,464 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (118)] Waiting until timeout for monitored process [2024-11-13 23:17:07,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:17:07,688 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:17:07,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:17:07,765 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-13 23:17:07,766 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:17:08,013 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-13 23:17:08,016 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (118)] Ended with exit code 0 [2024-11-13 23:17:08,018 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:17:08,018 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 21 states and 31 transitions. [2024-11-13 23:17:08,018 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 31 transitions. [2024-11-13 23:17:08,018 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-13 23:17:08,018 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:17:08,018 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:17:08,019 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:17:08,020 INFO L229 MonitoredProcess]: Starting monitored process 119 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:17:08,022 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (119)] Waiting until timeout for monitored process [2024-11-13 23:17:08,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:17:08,245 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:17:08,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:17:08,279 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-13 23:17:08,280 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:17:08,532 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 14 proven. 2 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2024-11-13 23:17:08,535 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (119)] Forceful destruction successful, exit code 0 [2024-11-13 23:17:08,536 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:17:08,537 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 21 states and 31 transitions. [2024-11-13 23:17:08,537 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 31 transitions. [2024-11-13 23:17:08,537 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-13 23:17:08,537 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:17:08,537 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:17:08,537 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:17:08,539 INFO L229 MonitoredProcess]: Starting monitored process 120 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:17:08,540 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (120)] Waiting until timeout for monitored process [2024-11-13 23:17:08,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:17:08,761 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:17:08,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:17:08,834 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-13 23:17:08,835 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:17:09,098 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-13 23:17:09,101 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (120)] Ended with exit code 0 [2024-11-13 23:17:09,104 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:17:09,104 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 21 states and 31 transitions. [2024-11-13 23:17:09,104 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 31 transitions. [2024-11-13 23:17:09,104 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-13 23:17:09,104 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:17:09,104 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:17:09,104 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:17:09,106 INFO L229 MonitoredProcess]: Starting monitored process 121 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:17:09,107 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (121)] Waiting until timeout for monitored process [2024-11-13 23:17:09,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:17:09,345 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:17:09,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:17:09,378 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-13 23:17:09,379 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:17:09,760 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-13 23:17:09,763 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (121)] Ended with exit code 0 [2024-11-13 23:17:09,765 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:17:09,765 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 21 states and 31 transitions. [2024-11-13 23:17:09,765 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 31 transitions. [2024-11-13 23:17:09,765 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-13 23:17:09,765 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:17:09,765 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:17:09,765 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:17:09,770 INFO L229 MonitoredProcess]: Starting monitored process 122 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:17:09,772 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (122)] Waiting until timeout for monitored process [2024-11-13 23:17:10,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:17:10,019 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:17:10,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:17:10,050 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-13 23:17:10,051 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:17:10,321 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-13 23:17:10,324 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (122)] Forceful destruction successful, exit code 0 [2024-11-13 23:17:10,326 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:17:10,326 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 21 states and 31 transitions. [2024-11-13 23:17:10,326 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 31 transitions. [2024-11-13 23:17:10,326 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-13 23:17:10,326 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:17:10,326 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:17:10,326 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:17:10,329 INFO L229 MonitoredProcess]: Starting monitored process 123 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:17:10,330 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (123)] Waiting until timeout for monitored process [2024-11-13 23:17:10,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:17:10,559 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:17:10,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:17:10,590 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-13 23:17:10,591 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:17:10,874 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-13 23:17:10,877 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (123)] Forceful destruction successful, exit code 0 [2024-11-13 23:17:10,879 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:17:10,879 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 21 states and 31 transitions. [2024-11-13 23:17:10,879 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 31 transitions. [2024-11-13 23:17:10,880 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-13 23:17:10,880 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:17:10,880 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:17:10,880 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:17:10,882 INFO L229 MonitoredProcess]: Starting monitored process 124 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:17:10,883 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (124)] Waiting until timeout for monitored process [2024-11-13 23:17:11,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:17:11,117 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:17:11,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:17:11,187 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-13 23:17:11,188 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:17:11,495 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-13 23:17:11,498 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (124)] Ended with exit code 0 [2024-11-13 23:17:11,500 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:17:11,500 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 21 states and 31 transitions. [2024-11-13 23:17:11,500 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 31 transitions. [2024-11-13 23:17:11,500 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-13 23:17:11,500 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:17:11,500 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:17:11,500 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:17:11,502 INFO L229 MonitoredProcess]: Starting monitored process 125 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:17:11,503 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (125)] Waiting until timeout for monitored process [2024-11-13 23:17:11,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:17:11,738 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:17:11,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:17:11,770 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-13 23:17:11,772 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:17:12,039 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-13 23:17:12,042 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (125)] Ended with exit code 0 [2024-11-13 23:17:12,044 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:17:12,044 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 21 states and 31 transitions. [2024-11-13 23:17:12,044 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 31 transitions. [2024-11-13 23:17:12,044 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-13 23:17:12,044 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:17:12,044 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:17:12,044 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:17:12,046 INFO L229 MonitoredProcess]: Starting monitored process 126 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:17:12,048 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (126)] Waiting until timeout for monitored process [2024-11-13 23:17:12,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:17:12,336 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:17:12,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:17:12,390 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-13 23:17:12,391 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:17:12,798 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-13 23:17:12,801 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (126)] Ended with exit code 0 [2024-11-13 23:17:12,802 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:17:12,803 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 21 states and 31 transitions. [2024-11-13 23:17:12,803 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 31 transitions. [2024-11-13 23:17:12,803 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-13 23:17:12,803 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:17:12,803 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:17:12,803 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:17:12,805 INFO L229 MonitoredProcess]: Starting monitored process 127 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:17:12,807 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (127)] Waiting until timeout for monitored process [2024-11-13 23:17:13,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:17:13,090 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:17:13,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:17:13,123 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-13 23:17:13,124 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:17:13,377 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-13 23:17:13,380 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (127)] Forceful destruction successful, exit code 0 [2024-11-13 23:17:13,382 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:17:13,383 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 21 states and 31 transitions. [2024-11-13 23:17:13,383 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 31 transitions. [2024-11-13 23:17:13,383 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-13 23:17:13,383 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:17:13,383 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:17:13,383 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:17:13,385 INFO L229 MonitoredProcess]: Starting monitored process 128 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:17:13,387 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (128)] Waiting until timeout for monitored process [2024-11-13 23:17:13,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:17:13,751 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:17:13,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:17:13,803 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-13 23:17:13,804 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:17:14,094 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-13 23:17:14,097 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (128)] Exception during sending of exit command (exit): Broken pipe [2024-11-13 23:17:14,097 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (128)] Ended with exit code 0 [2024-11-13 23:17:14,099 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:17:14,099 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 21 states and 31 transitions. [2024-11-13 23:17:14,099 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 31 transitions. [2024-11-13 23:17:14,100 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-13 23:17:14,100 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:17:14,100 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:17:14,100 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:17:14,102 INFO L229 MonitoredProcess]: Starting monitored process 129 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:17:14,105 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (129)] Waiting until timeout for monitored process [2024-11-13 23:17:14,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:17:14,356 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:17:14,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:17:14,394 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-13 23:17:14,395 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:17:14,620 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 14 proven. 2 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2024-11-13 23:17:14,625 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (129)] Forceful destruction successful, exit code 0 [2024-11-13 23:17:14,628 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:17:14,628 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 21 states and 31 transitions. [2024-11-13 23:17:14,628 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 31 transitions. [2024-11-13 23:17:14,628 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-13 23:17:14,628 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:17:14,628 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:17:14,628 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:17:14,630 INFO L229 MonitoredProcess]: Starting monitored process 130 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:17:14,632 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (130)] Waiting until timeout for monitored process [2024-11-13 23:17:14,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:17:14,921 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:17:15,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:17:15,011 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-13 23:17:15,012 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:17:15,282 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-13 23:17:15,286 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (130)] Ended with exit code 0 [2024-11-13 23:17:15,288 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:17:15,289 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 21 states and 31 transitions. [2024-11-13 23:17:15,289 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 31 transitions. [2024-11-13 23:17:15,289 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-13 23:17:15,289 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:17:15,289 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:17:15,289 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:17:15,291 INFO L229 MonitoredProcess]: Starting monitored process 131 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:17:15,292 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (131)] Waiting until timeout for monitored process [2024-11-13 23:17:15,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:17:15,528 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:17:15,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:17:15,588 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-13 23:17:15,588 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:17:15,847 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-13 23:17:15,850 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (131)] Forceful destruction successful, exit code 0 [2024-11-13 23:17:15,852 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:17:15,852 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 21 states and 31 transitions. [2024-11-13 23:17:15,852 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 31 transitions. [2024-11-13 23:17:15,852 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-13 23:17:15,852 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:17:15,853 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:17:15,853 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:17:15,854 INFO L229 MonitoredProcess]: Starting monitored process 132 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:17:15,857 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (132)] Waiting until timeout for monitored process [2024-11-13 23:17:16,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:17:16,099 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:17:16,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:17:16,132 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-13 23:17:16,133 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:17:16,381 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-13 23:17:16,384 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (132)] Ended with exit code 0 [2024-11-13 23:17:16,386 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:17:16,386 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 21 states and 31 transitions. [2024-11-13 23:17:16,386 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 31 transitions. [2024-11-13 23:17:16,386 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-13 23:17:16,386 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:17:16,386 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:17:16,386 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:17:16,388 INFO L229 MonitoredProcess]: Starting monitored process 133 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:17:16,389 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (133)] Waiting until timeout for monitored process [2024-11-13 23:17:16,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:17:16,698 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:17:16,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:17:16,795 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-13 23:17:16,796 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:17:17,143 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-13 23:17:17,147 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (133)] Forceful destruction successful, exit code 0 [2024-11-13 23:17:17,149 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:17:17,149 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 21 states and 31 transitions. [2024-11-13 23:17:17,149 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 31 transitions. [2024-11-13 23:17:17,150 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-13 23:17:17,150 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:17:17,150 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:17:17,150 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:17:17,153 INFO L229 MonitoredProcess]: Starting monitored process 134 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:17:17,154 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (134)] Waiting until timeout for monitored process [2024-11-13 23:17:17,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:17:17,429 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:17:17,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:17:17,489 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-13 23:17:17,490 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:17:17,774 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-13 23:17:17,777 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (134)] Ended with exit code 0 [2024-11-13 23:17:17,779 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:17:17,779 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 21 states and 31 transitions. [2024-11-13 23:17:17,779 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 31 transitions. [2024-11-13 23:17:17,780 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-13 23:17:17,780 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:17:17,780 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:17:17,780 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:17:17,782 INFO L229 MonitoredProcess]: Starting monitored process 135 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:17:17,785 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (135)] Waiting until timeout for monitored process [2024-11-13 23:17:18,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:17:18,023 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:17:18,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:17:18,058 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-13 23:17:18,059 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:17:18,304 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 14 proven. 2 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2024-11-13 23:17:18,307 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (135)] Ended with exit code 0 [2024-11-13 23:17:18,309 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:17:18,309 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 21 states and 31 transitions. [2024-11-13 23:17:18,309 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 31 transitions. [2024-11-13 23:17:18,310 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-13 23:17:18,310 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:17:18,310 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:17:18,310 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:17:18,311 INFO L229 MonitoredProcess]: Starting monitored process 136 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:17:18,312 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (136)] Waiting until timeout for monitored process [2024-11-13 23:17:18,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:17:18,573 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:17:18,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:17:18,612 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-13 23:17:18,613 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:17:18,939 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-13 23:17:18,942 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (136)] Ended with exit code 0 [2024-11-13 23:17:18,944 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:17:18,944 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 21 states and 31 transitions. [2024-11-13 23:17:18,945 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 31 transitions. [2024-11-13 23:17:18,945 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-13 23:17:18,945 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:17:18,945 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:17:18,945 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:17:18,946 INFO L229 MonitoredProcess]: Starting monitored process 137 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:17:18,947 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (137)] Waiting until timeout for monitored process [2024-11-13 23:17:19,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:17:19,228 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:17:19,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:17:19,293 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-13 23:17:19,293 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:17:19,636 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-13 23:17:19,639 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (137)] Forceful destruction successful, exit code 0 [2024-11-13 23:17:19,641 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:17:19,642 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 21 states and 31 transitions. [2024-11-13 23:17:19,642 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 31 transitions. [2024-11-13 23:17:19,642 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-13 23:17:19,642 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:17:19,642 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:17:19,642 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:17:19,645 INFO L229 MonitoredProcess]: Starting monitored process 138 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:17:19,652 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (138)] Waiting until timeout for monitored process [2024-11-13 23:17:19,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:17:19,896 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:17:19,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:17:19,928 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-13 23:17:19,928 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:17:20,185 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-13 23:17:20,188 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (138)] Forceful destruction successful, exit code 0 [2024-11-13 23:17:20,191 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:17:20,191 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 21 states and 31 transitions. [2024-11-13 23:17:20,191 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 31 transitions. [2024-11-13 23:17:20,191 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-13 23:17:20,191 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:17:20,192 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:17:20,192 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:17:20,193 INFO L229 MonitoredProcess]: Starting monitored process 139 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:17:20,195 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (139)] Waiting until timeout for monitored process [2024-11-13 23:17:20,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:17:20,428 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:17:20,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:17:20,481 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-13 23:17:20,482 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:17:20,806 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-13 23:17:20,809 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (139)] Ended with exit code 0 [2024-11-13 23:17:20,810 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:17:20,811 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 21 states and 31 transitions. [2024-11-13 23:17:20,811 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 31 transitions. [2024-11-13 23:17:20,811 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-13 23:17:20,811 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:17:20,811 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:17:20,811 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:17:20,812 INFO L229 MonitoredProcess]: Starting monitored process 140 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:17:20,813 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (140)] Waiting until timeout for monitored process [2024-11-13 23:17:21,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:17:21,097 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:17:21,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:17:21,142 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-13 23:17:21,143 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:17:21,394 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 14 proven. 2 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2024-11-13 23:17:21,397 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (140)] Ended with exit code 0 [2024-11-13 23:17:21,399 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:17:21,399 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 21 states and 31 transitions. [2024-11-13 23:17:21,399 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 31 transitions. [2024-11-13 23:17:21,399 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-13 23:17:21,399 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:17:21,399 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:17:21,399 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:17:21,403 INFO L229 MonitoredProcess]: Starting monitored process 141 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:17:21,407 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (141)] Waiting until timeout for monitored process [2024-11-13 23:17:21,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:17:21,649 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:17:21,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:17:21,679 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-13 23:17:21,679 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:17:21,953 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-13 23:17:21,956 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (141)] Ended with exit code 0 [2024-11-13 23:17:21,957 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:17:21,958 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 21 states and 31 transitions. [2024-11-13 23:17:21,958 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 31 transitions. [2024-11-13 23:17:21,958 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-13 23:17:21,958 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:17:21,958 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:17:21,958 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:17:21,959 INFO L229 MonitoredProcess]: Starting monitored process 142 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:17:21,961 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (142)] Waiting until timeout for monitored process [2024-11-13 23:17:22,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:17:22,193 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:17:22,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:17:22,227 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-13 23:17:22,227 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:17:22,506 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 14 proven. 2 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2024-11-13 23:17:22,508 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (142)] Ended with exit code 0 [2024-11-13 23:17:22,510 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:17:22,510 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 21 states and 31 transitions. [2024-11-13 23:17:22,511 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 31 transitions. [2024-11-13 23:17:22,511 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-13 23:17:22,511 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:17:22,511 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:17:22,511 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:17:22,512 INFO L229 MonitoredProcess]: Starting monitored process 143 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:17:22,514 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (143)] Waiting until timeout for monitored process [2024-11-13 23:17:22,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:17:22,810 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:17:22,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:17:22,921 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-13 23:17:22,921 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:17:23,224 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-13 23:17:23,227 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (143)] Ended with exit code 0 [2024-11-13 23:17:23,230 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:17:23,230 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 21 states and 31 transitions. [2024-11-13 23:17:23,230 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 31 transitions. [2024-11-13 23:17:23,230 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-13 23:17:23,230 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:17:23,230 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:17:23,230 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:17:23,232 INFO L229 MonitoredProcess]: Starting monitored process 144 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:17:23,233 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (144)] Waiting until timeout for monitored process [2024-11-13 23:17:23,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:17:23,502 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:17:23,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:17:23,534 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-13 23:17:23,535 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:17:23,806 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-13 23:17:23,809 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (144)] Ended with exit code 0 [2024-11-13 23:17:23,811 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:17:23,811 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 21 states and 31 transitions. [2024-11-13 23:17:23,811 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 31 transitions. [2024-11-13 23:17:23,811 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-13 23:17:23,811 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:17:23,811 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:17:23,811 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:17:23,813 INFO L229 MonitoredProcess]: Starting monitored process 145 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:17:23,814 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (145)] Waiting until timeout for monitored process [2024-11-13 23:17:24,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:17:24,050 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:17:24,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:17:24,112 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-13 23:17:24,113 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:17:24,464 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-13 23:17:24,467 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (145)] Ended with exit code 0 [2024-11-13 23:17:24,470 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:17:24,470 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 21 states and 31 transitions. [2024-11-13 23:17:24,470 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 31 transitions. [2024-11-13 23:17:24,470 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-13 23:17:24,470 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:17:24,470 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:17:24,470 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:17:24,474 INFO L229 MonitoredProcess]: Starting monitored process 146 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:17:24,475 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (146)] Waiting until timeout for monitored process [2024-11-13 23:17:24,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:17:24,732 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:17:24,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:17:24,765 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-13 23:17:24,766 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:17:25,070 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-13 23:17:25,076 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (146)] Ended with exit code 0 [2024-11-13 23:17:25,077 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:17:25,078 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 21 states and 31 transitions. [2024-11-13 23:17:25,078 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 31 transitions. [2024-11-13 23:17:25,078 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-13 23:17:25,078 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:17:25,078 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:17:25,078 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:17:25,079 INFO L229 MonitoredProcess]: Starting monitored process 147 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:17:25,081 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (147)] Waiting until timeout for monitored process [2024-11-13 23:17:25,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:17:25,339 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:17:25,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:17:25,372 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-13 23:17:25,373 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:17:25,760 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-13 23:17:25,763 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (147)] Ended with exit code 0 [2024-11-13 23:17:25,765 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:17:25,766 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 21 states and 31 transitions. [2024-11-13 23:17:25,766 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 31 transitions. [2024-11-13 23:17:25,766 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-13 23:17:25,766 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:17:25,766 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:17:25,766 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:17:25,768 INFO L229 MonitoredProcess]: Starting monitored process 148 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:17:25,771 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (148)] Waiting until timeout for monitored process [2024-11-13 23:17:26,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:17:26,016 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:17:26,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:17:26,048 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-13 23:17:26,049 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:17:26,322 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-13 23:17:26,325 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (148)] Ended with exit code 0 [2024-11-13 23:17:26,326 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:17:26,327 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 21 states and 31 transitions. [2024-11-13 23:17:26,327 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 31 transitions. [2024-11-13 23:17:26,327 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-13 23:17:26,327 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:17:26,327 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:17:26,327 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:17:26,328 INFO L229 MonitoredProcess]: Starting monitored process 149 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:17:26,330 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (149)] Waiting until timeout for monitored process [2024-11-13 23:17:26,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:17:26,566 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:17:26,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:17:26,600 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-13 23:17:26,601 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:17:26,945 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-13 23:17:26,947 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (149)] Ended with exit code 0 [2024-11-13 23:17:26,949 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:17:26,949 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 21 states and 31 transitions. [2024-11-13 23:17:26,949 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 31 transitions. [2024-11-13 23:17:26,949 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-13 23:17:26,949 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:17:26,949 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:17:26,950 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:17:26,951 INFO L229 MonitoredProcess]: Starting monitored process 150 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:17:26,953 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (150)] Waiting until timeout for monitored process [2024-11-13 23:17:27,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:17:27,247 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:17:27,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:17:27,289 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-13 23:17:27,290 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:17:27,605 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-13 23:17:27,608 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (150)] Ended with exit code 0 [2024-11-13 23:17:27,611 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:17:27,611 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 21 states and 31 transitions. [2024-11-13 23:17:27,611 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 31 transitions. [2024-11-13 23:17:27,612 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-13 23:17:27,612 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:17:27,612 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:17:27,612 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:17:27,613 INFO L229 MonitoredProcess]: Starting monitored process 151 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:17:27,614 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (151)] Waiting until timeout for monitored process [2024-11-13 23:17:27,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:17:27,883 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:17:27,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:17:27,931 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-13 23:17:27,932 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:17:28,255 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-13 23:17:28,258 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (151)] Forceful destruction successful, exit code 0 [2024-11-13 23:17:28,260 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:17:28,260 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 21 states and 31 transitions. [2024-11-13 23:17:28,260 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 31 transitions. [2024-11-13 23:17:28,260 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-13 23:17:28,261 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:17:28,261 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:17:28,261 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:17:28,264 INFO L229 MonitoredProcess]: Starting monitored process 152 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:17:28,265 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (152)] Waiting until timeout for monitored process [2024-11-13 23:17:28,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:17:28,499 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:17:28,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:17:28,546 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-13 23:17:28,547 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:17:28,829 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-13 23:17:28,831 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (152)] Ended with exit code 0 [2024-11-13 23:17:28,834 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:17:28,834 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 21 states and 31 transitions. [2024-11-13 23:17:28,834 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 31 transitions. [2024-11-13 23:17:28,835 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-13 23:17:28,835 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:17:28,835 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:17:28,835 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:17:28,836 INFO L229 MonitoredProcess]: Starting monitored process 153 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:17:28,837 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (153)] Waiting until timeout for monitored process [2024-11-13 23:17:29,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:17:29,135 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:17:29,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:17:29,176 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-13 23:17:29,176 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:17:29,509 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-13 23:17:29,513 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (153)] Ended with exit code 0 [2024-11-13 23:17:29,516 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:17:29,516 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 21 states and 31 transitions. [2024-11-13 23:17:29,516 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 31 transitions. [2024-11-13 23:17:29,517 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-13 23:17:29,517 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:17:29,517 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:17:29,517 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:17:29,519 INFO L229 MonitoredProcess]: Starting monitored process 154 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:17:29,521 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (154)] Waiting until timeout for monitored process [2024-11-13 23:17:29,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:17:29,828 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:17:29,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:17:29,862 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-13 23:17:29,863 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:17:30,212 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-13 23:17:30,215 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (154)] Ended with exit code 0 [2024-11-13 23:17:30,217 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:17:30,217 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 21 states and 31 transitions. [2024-11-13 23:17:30,217 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 31 transitions. [2024-11-13 23:17:30,217 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-13 23:17:30,217 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:17:30,217 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:17:30,217 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:17:30,219 INFO L229 MonitoredProcess]: Starting monitored process 155 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:17:30,220 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (155)] Waiting until timeout for monitored process [2024-11-13 23:17:30,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:17:30,462 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:17:30,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:17:30,494 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-13 23:17:30,494 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:17:30,738 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-13 23:17:30,741 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (155)] Ended with exit code 0 [2024-11-13 23:17:30,743 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:17:30,743 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 21 states and 31 transitions. [2024-11-13 23:17:30,743 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 31 transitions. [2024-11-13 23:17:30,744 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-13 23:17:30,744 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:17:30,744 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:17:30,744 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:17:30,747 INFO L229 MonitoredProcess]: Starting monitored process 156 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:17:30,748 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (156)] Waiting until timeout for monitored process [2024-11-13 23:17:31,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:17:31,065 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:17:31,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:17:31,107 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-13 23:17:31,108 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:17:31,401 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-13 23:17:31,404 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (156)] Ended with exit code 0 [2024-11-13 23:17:31,405 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:17:31,406 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 21 states and 31 transitions. [2024-11-13 23:17:31,406 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 31 transitions. [2024-11-13 23:17:31,406 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-13 23:17:31,406 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:17:31,406 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:17:31,406 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:17:31,408 INFO L229 MonitoredProcess]: Starting monitored process 157 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:17:31,411 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (157)] Waiting until timeout for monitored process [2024-11-13 23:17:31,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:17:31,650 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:17:31,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:17:31,711 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-13 23:17:31,711 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:17:31,997 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-13 23:17:32,000 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (157)] Forceful destruction successful, exit code 0 [2024-11-13 23:17:32,002 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:17:32,002 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 21 states and 31 transitions. [2024-11-13 23:17:32,002 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 31 transitions. [2024-11-13 23:17:32,002 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-13 23:17:32,002 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:17:32,002 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:17:32,002 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:17:32,004 INFO L229 MonitoredProcess]: Starting monitored process 158 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:17:32,005 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (158)] Waiting until timeout for monitored process [2024-11-13 23:17:32,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:17:32,305 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:17:32,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:17:32,335 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-13 23:17:32,336 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:17:32,628 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-13 23:17:32,631 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (158)] Ended with exit code 0 [2024-11-13 23:17:32,633 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:17:32,633 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 21 states and 31 transitions. [2024-11-13 23:17:32,633 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 31 transitions. [2024-11-13 23:17:32,633 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-13 23:17:32,633 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:17:32,633 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:17:32,633 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:17:32,635 INFO L229 MonitoredProcess]: Starting monitored process 159 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:17:32,637 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (159)] Waiting until timeout for monitored process [2024-11-13 23:17:32,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:17:32,905 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:17:32,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:17:32,946 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-13 23:17:32,947 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:17:33,287 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-13 23:17:33,290 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (159)] Ended with exit code 0 [2024-11-13 23:17:33,292 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:17:33,292 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 21 states and 31 transitions. [2024-11-13 23:17:33,292 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 31 transitions. [2024-11-13 23:17:33,292 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-13 23:17:33,292 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:17:33,292 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:17:33,292 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:17:33,294 INFO L229 MonitoredProcess]: Starting monitored process 160 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:17:33,295 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (160)] Waiting until timeout for monitored process [2024-11-13 23:17:33,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:17:33,539 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:17:33,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:17:33,576 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-13 23:17:33,576 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:17:33,825 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-13 23:17:33,828 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (160)] Ended with exit code 0 [2024-11-13 23:17:33,829 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:17:33,830 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 21 states and 31 transitions. [2024-11-13 23:17:33,830 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 31 transitions. [2024-11-13 23:17:33,830 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-13 23:17:33,830 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:17:33,830 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:17:33,830 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:17:33,831 INFO L229 MonitoredProcess]: Starting monitored process 161 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:17:33,833 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (161)] Waiting until timeout for monitored process [2024-11-13 23:17:34,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:17:34,170 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:17:34,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:17:34,203 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-13 23:17:34,204 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:17:34,465 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-13 23:17:34,468 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (161)] Ended with exit code 0 [2024-11-13 23:17:34,469 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:17:34,469 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 21 states and 31 transitions. [2024-11-13 23:17:34,470 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 31 transitions. [2024-11-13 23:17:34,470 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-13 23:17:34,470 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:17:34,470 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:17:34,470 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:17:34,471 INFO L229 MonitoredProcess]: Starting monitored process 162 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:17:34,473 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (162)] Waiting until timeout for monitored process [2024-11-13 23:17:34,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:17:34,733 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:17:34,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:17:34,767 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-13 23:17:34,768 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:17:35,066 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-13 23:17:35,069 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (162)] Ended with exit code 0 [2024-11-13 23:17:35,071 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:17:35,071 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 21 states and 31 transitions. [2024-11-13 23:17:35,071 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 31 transitions. [2024-11-13 23:17:35,071 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-13 23:17:35,071 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:17:35,071 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:17:35,072 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:17:35,074 INFO L229 MonitoredProcess]: Starting monitored process 163 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:17:35,076 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (163)] Waiting until timeout for monitored process [2024-11-13 23:17:35,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:17:35,357 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:17:35,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:17:35,393 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-13 23:17:35,394 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:17:35,610 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 14 proven. 2 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2024-11-13 23:17:35,613 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (163)] Forceful destruction successful, exit code 0 [2024-11-13 23:17:35,614 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:17:35,615 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 21 states and 31 transitions. [2024-11-13 23:17:35,615 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 31 transitions. [2024-11-13 23:17:35,615 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-13 23:17:35,615 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:17:35,615 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:17:35,615 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:17:35,617 INFO L229 MonitoredProcess]: Starting monitored process 164 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:17:35,618 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (164)] Waiting until timeout for monitored process [2024-11-13 23:17:35,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:17:35,856 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:17:35,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:17:35,941 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-13 23:17:35,942 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:17:36,304 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-13 23:17:36,307 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (164)] Ended with exit code 0 [2024-11-13 23:17:36,309 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:17:36,309 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 21 states and 31 transitions. [2024-11-13 23:17:36,309 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 31 transitions. [2024-11-13 23:17:36,309 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-13 23:17:36,309 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:17:36,309 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:17:36,309 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:17:36,311 INFO L229 MonitoredProcess]: Starting monitored process 165 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:17:36,312 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (165)] Waiting until timeout for monitored process [2024-11-13 23:17:36,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:17:36,552 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:17:36,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:17:36,602 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-13 23:17:36,603 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:17:36,915 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-13 23:17:36,918 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (165)] Ended with exit code 0 [2024-11-13 23:17:36,921 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:17:36,921 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 21 states and 31 transitions. [2024-11-13 23:17:36,921 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 31 transitions. [2024-11-13 23:17:36,922 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-13 23:17:36,922 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:17:36,922 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:17:36,922 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:17:36,923 INFO L229 MonitoredProcess]: Starting monitored process 166 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:17:36,924 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (166)] Waiting until timeout for monitored process [2024-11-13 23:17:37,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:17:37,257 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:17:37,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:17:37,310 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-13 23:17:37,310 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:17:37,581 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-13 23:17:37,584 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (166)] Ended with exit code 0 [2024-11-13 23:17:37,585 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:17:37,586 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 21 states and 31 transitions. [2024-11-13 23:17:37,586 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 31 transitions. [2024-11-13 23:17:37,586 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-13 23:17:37,586 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:17:37,586 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:17:37,586 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:17:37,588 INFO L229 MonitoredProcess]: Starting monitored process 167 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:17:37,589 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (167)] Waiting until timeout for monitored process [2024-11-13 23:17:37,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:17:37,829 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:17:37,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:17:37,877 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-13 23:17:37,877 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:17:38,155 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 14 proven. 2 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2024-11-13 23:17:38,158 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (167)] Forceful destruction successful, exit code 0 [2024-11-13 23:17:38,159 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:17:38,160 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 21 states and 31 transitions. [2024-11-13 23:17:38,160 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 31 transitions. [2024-11-13 23:17:38,160 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-13 23:17:38,160 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:17:38,160 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:17:38,160 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:17:38,164 INFO L229 MonitoredProcess]: Starting monitored process 168 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:17:38,166 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (168)] Waiting until timeout for monitored process [2024-11-13 23:17:38,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:17:38,418 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:17:38,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:17:38,476 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-13 23:17:38,477 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:17:38,748 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-13 23:17:38,750 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (168)] Ended with exit code 0 [2024-11-13 23:17:38,753 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:17:38,753 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 21 states and 31 transitions. [2024-11-13 23:17:38,753 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 31 transitions. [2024-11-13 23:17:38,753 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-13 23:17:38,753 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:17:38,753 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:17:38,753 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:17:38,755 INFO L229 MonitoredProcess]: Starting monitored process 169 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:17:38,757 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (169)] Waiting until timeout for monitored process [2024-11-13 23:17:38,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:17:38,998 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:17:39,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:17:39,043 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-13 23:17:39,044 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:17:39,321 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 14 proven. 2 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2024-11-13 23:17:39,323 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (169)] Ended with exit code 0 [2024-11-13 23:17:39,325 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:17:39,326 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 21 states and 31 transitions. [2024-11-13 23:17:39,326 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 31 transitions. [2024-11-13 23:17:39,326 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-13 23:17:39,326 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:17:39,326 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:17:39,326 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:17:39,328 INFO L229 MonitoredProcess]: Starting monitored process 170 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:17:39,329 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (170)] Waiting until timeout for monitored process [2024-11-13 23:17:39,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:17:39,655 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:17:39,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:17:39,688 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-13 23:17:39,689 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:17:39,969 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-13 23:17:39,972 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (170)] Ended with exit code 0 [2024-11-13 23:17:39,973 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:17:39,974 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 21 states and 31 transitions. [2024-11-13 23:17:39,974 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 31 transitions. [2024-11-13 23:17:39,974 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-13 23:17:39,974 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:17:39,974 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:17:39,974 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:17:39,976 INFO L229 MonitoredProcess]: Starting monitored process 171 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:17:39,977 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (171)] Waiting until timeout for monitored process [2024-11-13 23:17:40,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:17:40,302 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:17:40,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:17:40,407 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-13 23:17:40,408 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:17:40,751 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-13 23:17:40,754 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (171)] Ended with exit code 0 [2024-11-13 23:17:40,757 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:17:40,757 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 21 states and 31 transitions. [2024-11-13 23:17:40,757 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 31 transitions. [2024-11-13 23:17:40,757 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-13 23:17:40,757 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:17:40,757 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:17:40,757 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:17:40,759 INFO L229 MonitoredProcess]: Starting monitored process 172 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:17:40,760 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (172)] Waiting until timeout for monitored process [2024-11-13 23:17:41,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:17:41,088 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:17:41,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:17:41,121 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-13 23:17:41,122 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:17:41,425 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-13 23:17:41,428 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (172)] Ended with exit code 0 [2024-11-13 23:17:41,430 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:17:41,430 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 21 states and 31 transitions. [2024-11-13 23:17:41,430 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 31 transitions. [2024-11-13 23:17:41,430 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-13 23:17:41,431 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:17:41,431 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:17:41,431 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:17:41,435 INFO L229 MonitoredProcess]: Starting monitored process 173 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:17:41,437 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (173)] Waiting until timeout for monitored process [2024-11-13 23:17:41,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:17:41,668 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:17:41,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:17:41,716 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-13 23:17:41,717 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:17:41,994 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-13 23:17:41,997 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (173)] Ended with exit code 0 [2024-11-13 23:17:41,999 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:17:41,999 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 21 states and 31 transitions. [2024-11-13 23:17:41,999 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 31 transitions. [2024-11-13 23:17:42,000 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-13 23:17:42,000 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:17:42,000 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:17:42,000 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:17:42,002 INFO L229 MonitoredProcess]: Starting monitored process 174 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:17:42,004 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (174)] Waiting until timeout for monitored process [2024-11-13 23:17:42,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:17:42,324 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:17:42,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:17:42,359 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-13 23:17:42,360 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:17:42,585 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 14 proven. 2 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2024-11-13 23:17:42,587 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (174)] Ended with exit code 0 [2024-11-13 23:17:42,589 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:17:42,589 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 21 states and 31 transitions. [2024-11-13 23:17:42,589 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 31 transitions. [2024-11-13 23:17:42,590 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-13 23:17:42,590 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:17:42,590 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:17:42,590 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:17:42,591 INFO L229 MonitoredProcess]: Starting monitored process 175 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:17:42,593 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (175)] Waiting until timeout for monitored process [2024-11-13 23:17:42,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:17:42,831 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:17:42,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:17:42,863 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-13 23:17:42,864 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:17:43,168 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-13 23:17:43,171 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (175)] Ended with exit code 0 [2024-11-13 23:17:43,173 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:17:43,173 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 21 states and 31 transitions. [2024-11-13 23:17:43,173 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 31 transitions. [2024-11-13 23:17:43,173 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-13 23:17:43,173 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:17:43,173 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:17:43,173 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:17:43,175 INFO L229 MonitoredProcess]: Starting monitored process 176 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:17:43,176 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (176)] Waiting until timeout for monitored process [2024-11-13 23:17:43,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:17:43,430 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:17:43,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:17:43,475 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-13 23:17:43,476 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:17:43,815 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-13 23:17:43,817 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (176)] Ended with exit code 0 [2024-11-13 23:17:43,820 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:17:43,820 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 21 states and 31 transitions. [2024-11-13 23:17:43,820 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 31 transitions. [2024-11-13 23:17:43,820 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-13 23:17:43,820 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:17:43,820 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:17:43,820 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:17:43,824 INFO L229 MonitoredProcess]: Starting monitored process 177 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:17:43,827 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (177)] Waiting until timeout for monitored process [2024-11-13 23:17:44,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:17:44,066 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:17:44,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:17:44,104 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-13 23:17:44,104 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:17:44,458 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-13 23:17:44,460 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (177)] Ended with exit code 0 [2024-11-13 23:17:44,466 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:17:44,466 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 21 states and 31 transitions. [2024-11-13 23:17:44,466 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 31 transitions. [2024-11-13 23:17:44,466 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-13 23:17:44,466 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:17:44,466 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:17:44,467 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:17:44,470 INFO L229 MonitoredProcess]: Starting monitored process 178 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:17:44,473 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (178)] Waiting until timeout for monitored process [2024-11-13 23:17:44,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:17:44,750 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:17:44,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:17:44,781 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-13 23:17:44,781 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:17:45,081 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-13 23:17:45,084 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (178)] Ended with exit code 0 [2024-11-13 23:17:45,085 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:17:45,086 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 21 states and 31 transitions. [2024-11-13 23:17:45,086 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 31 transitions. [2024-11-13 23:17:45,086 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-13 23:17:45,086 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:17:45,086 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:17:45,086 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:17:45,087 INFO L229 MonitoredProcess]: Starting monitored process 179 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:17:45,089 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (179)] Waiting until timeout for monitored process [2024-11-13 23:17:45,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:17:45,357 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:17:45,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:17:45,385 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-13 23:17:45,386 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:17:45,647 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-13 23:17:45,649 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (179)] Ended with exit code 0 [2024-11-13 23:17:45,651 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:17:45,651 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 21 states and 31 transitions. [2024-11-13 23:17:45,651 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 31 transitions. [2024-11-13 23:17:45,652 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-13 23:17:45,652 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:17:45,652 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:17:45,652 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:17:45,653 INFO L229 MonitoredProcess]: Starting monitored process 180 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:17:45,655 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (180)] Waiting until timeout for monitored process [2024-11-13 23:17:45,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:17:45,885 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:17:45,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:17:45,923 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-13 23:17:45,924 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:17:46,224 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-13 23:17:46,227 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (180)] Forceful destruction successful, exit code 0 [2024-11-13 23:17:46,229 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:17:46,229 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 21 states and 31 transitions. [2024-11-13 23:17:46,229 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 31 transitions. [2024-11-13 23:17:46,229 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-13 23:17:46,229 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:17:46,229 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:17:46,230 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:17:46,231 INFO L229 MonitoredProcess]: Starting monitored process 181 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:17:46,232 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (181)] Waiting until timeout for monitored process [2024-11-13 23:17:46,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:17:46,516 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:17:46,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:17:46,545 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-13 23:17:46,546 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:17:46,812 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-13 23:17:46,815 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (181)] Ended with exit code 0 [2024-11-13 23:17:46,816 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:17:46,816 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 21 states and 31 transitions. [2024-11-13 23:17:46,817 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 31 transitions. [2024-11-13 23:17:46,817 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-13 23:17:46,817 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:17:46,817 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:17:46,817 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:17:46,818 INFO L229 MonitoredProcess]: Starting monitored process 182 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:17:46,819 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (182)] Waiting until timeout for monitored process [2024-11-13 23:17:47,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:17:47,048 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:17:47,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:17:47,082 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-13 23:17:47,083 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:17:47,330 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 14 proven. 2 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2024-11-13 23:17:47,333 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (182)] Ended with exit code 0 [2024-11-13 23:17:47,335 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:17:47,335 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 21 states and 31 transitions. [2024-11-13 23:17:47,335 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 31 transitions. [2024-11-13 23:17:47,335 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-13 23:17:47,335 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:17:47,336 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:17:47,336 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:17:47,337 INFO L229 MonitoredProcess]: Starting monitored process 183 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:17:47,339 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (183)] Waiting until timeout for monitored process [2024-11-13 23:17:47,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:17:47,566 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:17:47,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:17:47,608 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-13 23:17:47,609 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:17:47,879 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-13 23:17:47,882 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (183)] Forceful destruction successful, exit code 0 [2024-11-13 23:17:47,885 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:17:47,885 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 21 states and 31 transitions. [2024-11-13 23:17:47,885 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 31 transitions. [2024-11-13 23:17:47,885 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-13 23:17:47,885 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:17:47,885 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:17:47,885 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:17:47,889 INFO L229 MonitoredProcess]: Starting monitored process 184 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:17:47,891 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (184)] Waiting until timeout for monitored process [2024-11-13 23:17:48,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:17:48,196 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:17:48,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:17:48,228 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-13 23:17:48,229 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:17:48,509 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-13 23:17:48,512 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (184)] Ended with exit code 0 [2024-11-13 23:17:48,514 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:17:48,514 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 21 states and 31 transitions. [2024-11-13 23:17:48,514 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 31 transitions. [2024-11-13 23:17:48,514 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-13 23:17:48,514 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:17:48,514 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:17:48,514 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:17:48,516 INFO L229 MonitoredProcess]: Starting monitored process 185 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:17:48,517 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (185)] Waiting until timeout for monitored process [2024-11-13 23:17:48,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:17:48,744 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:17:48,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:17:48,772 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-13 23:17:48,773 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:17:49,068 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-13 23:17:49,070 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (185)] Ended with exit code 0 [2024-11-13 23:17:49,072 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:17:49,072 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 21 states and 31 transitions. [2024-11-13 23:17:49,072 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 31 transitions. [2024-11-13 23:17:49,072 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-13 23:17:49,072 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:17:49,072 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:17:49,072 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:17:49,074 INFO L229 MonitoredProcess]: Starting monitored process 186 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:17:49,075 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (186)] Waiting until timeout for monitored process [2024-11-13 23:17:49,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:17:49,326 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:17:49,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:17:49,361 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-13 23:17:49,362 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:17:49,665 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 14 proven. 2 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2024-11-13 23:17:49,668 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (186)] Ended with exit code 0 [2024-11-13 23:17:49,669 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:17:49,670 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 21 states and 31 transitions. [2024-11-13 23:17:49,670 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 31 transitions. [2024-11-13 23:17:49,670 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-13 23:17:49,670 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:17:49,670 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:17:49,670 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:17:49,672 INFO L229 MonitoredProcess]: Starting monitored process 187 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:17:49,673 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (187)] Waiting until timeout for monitored process [2024-11-13 23:17:49,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:17:49,921 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:17:49,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:17:49,974 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-13 23:17:49,975 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:17:50,235 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-13 23:17:50,238 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (187)] Ended with exit code 0 [2024-11-13 23:17:50,239 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:17:50,240 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 21 states and 31 transitions. [2024-11-13 23:17:50,240 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 31 transitions. [2024-11-13 23:17:50,240 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-13 23:17:50,240 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:17:50,240 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:17:50,240 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:17:50,242 INFO L229 MonitoredProcess]: Starting monitored process 188 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:17:50,243 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (188)] Waiting until timeout for monitored process [2024-11-13 23:17:50,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:17:50,515 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:17:50,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:17:50,570 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-13 23:17:50,571 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:17:50,823 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-13 23:17:50,826 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (188)] Ended with exit code 0 [2024-11-13 23:17:50,828 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:17:50,829 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 21 states and 31 transitions. [2024-11-13 23:17:50,829 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 31 transitions. [2024-11-13 23:17:50,829 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-13 23:17:50,829 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:17:50,829 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:17:50,829 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:17:50,830 INFO L229 MonitoredProcess]: Starting monitored process 189 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:17:50,832 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (189)] Waiting until timeout for monitored process [2024-11-13 23:17:51,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:17:51,071 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:17:51,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:17:51,133 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-13 23:17:51,134 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:17:51,439 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-13 23:17:51,442 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (189)] Ended with exit code 0 [2024-11-13 23:17:51,444 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:17:51,444 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 21 states and 31 transitions. [2024-11-13 23:17:51,444 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 31 transitions. [2024-11-13 23:17:51,444 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-13 23:17:51,444 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:17:51,444 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:17:51,444 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:17:51,446 INFO L229 MonitoredProcess]: Starting monitored process 190 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:17:51,449 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (190)] Waiting until timeout for monitored process [2024-11-13 23:17:51,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:17:51,751 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:17:51,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:17:51,839 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-13 23:17:51,840 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:17:52,150 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-13 23:17:52,153 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (190)] Ended with exit code 0 [2024-11-13 23:17:52,155 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:17:52,155 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 21 states and 31 transitions. [2024-11-13 23:17:52,156 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 31 transitions. [2024-11-13 23:17:52,156 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-13 23:17:52,156 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:17:52,156 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:17:52,156 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:17:52,157 INFO L229 MonitoredProcess]: Starting monitored process 191 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:17:52,158 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (191)] Waiting until timeout for monitored process [2024-11-13 23:17:52,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:17:52,452 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:17:52,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:17:52,504 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-13 23:17:52,504 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:17:52,775 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-13 23:17:52,778 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (191)] Ended with exit code 0 [2024-11-13 23:17:52,779 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:17:52,780 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 21 states and 31 transitions. [2024-11-13 23:17:52,780 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 31 transitions. [2024-11-13 23:17:52,780 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-13 23:17:52,780 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:17:52,780 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:17:52,780 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:17:52,783 INFO L229 MonitoredProcess]: Starting monitored process 192 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:17:52,785 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (192)] Waiting until timeout for monitored process [2024-11-13 23:17:53,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:17:53,015 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:17:53,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:17:53,049 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-13 23:17:53,049 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:17:53,268 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 14 proven. 2 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2024-11-13 23:17:53,271 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (192)] Forceful destruction successful, exit code 0 [2024-11-13 23:17:53,274 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:17:53,274 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 21 states and 31 transitions. [2024-11-13 23:17:53,274 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 31 transitions. [2024-11-13 23:17:53,274 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-13 23:17:53,274 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:17:53,274 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:17:53,274 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:17:53,279 INFO L229 MonitoredProcess]: Starting monitored process 193 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:17:53,281 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (193)] Waiting until timeout for monitored process [2024-11-13 23:17:53,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:17:53,583 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:17:53,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:17:53,630 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-13 23:17:53,631 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:17:53,896 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 14 proven. 2 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2024-11-13 23:17:53,902 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (193)] Ended with exit code 0 [2024-11-13 23:17:53,906 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:17:53,906 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 21 states and 31 transitions. [2024-11-13 23:17:53,906 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 31 transitions. [2024-11-13 23:17:53,907 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-13 23:17:53,908 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:17:53,908 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:17:53,908 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:17:53,910 INFO L229 MonitoredProcess]: Starting monitored process 194 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:17:53,912 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (194)] Waiting until timeout for monitored process [2024-11-13 23:17:54,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:17:54,205 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:17:54,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:17:54,234 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-13 23:17:54,235 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:17:54,520 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-13 23:17:54,523 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (194)] Forceful destruction successful, exit code 0 [2024-11-13 23:17:54,524 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:17:54,525 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 21 states and 31 transitions. [2024-11-13 23:17:54,525 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 31 transitions. [2024-11-13 23:17:54,525 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-13 23:17:54,525 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:17:54,525 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:17:54,525 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:17:54,526 INFO L229 MonitoredProcess]: Starting monitored process 195 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:17:54,528 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (195)] Waiting until timeout for monitored process [2024-11-13 23:17:54,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:17:54,817 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:17:54,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:17:54,856 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-13 23:17:54,857 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:17:55,181 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-13 23:17:55,184 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (195)] Ended with exit code 0 [2024-11-13 23:17:55,187 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:17:55,187 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 21 states and 31 transitions. [2024-11-13 23:17:55,187 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 31 transitions. [2024-11-13 23:17:55,187 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-13 23:17:55,187 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:17:55,187 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:17:55,188 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:17:55,189 INFO L229 MonitoredProcess]: Starting monitored process 196 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:17:55,190 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (196)] Waiting until timeout for monitored process [2024-11-13 23:17:55,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:17:55,486 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:17:55,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:17:55,535 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-13 23:17:55,536 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:17:55,851 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-13 23:17:55,854 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (196)] Forceful destruction successful, exit code 0 [2024-11-13 23:17:55,856 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:17:55,856 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 21 states and 31 transitions. [2024-11-13 23:17:55,856 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 31 transitions. [2024-11-13 23:17:55,857 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-13 23:17:55,857 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:17:55,857 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:17:55,857 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:17:55,860 INFO L229 MonitoredProcess]: Starting monitored process 197 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:17:55,860 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (197)] Waiting until timeout for monitored process [2024-11-13 23:17:56,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:17:56,117 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:17:56,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:17:56,163 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-13 23:17:56,164 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:17:56,416 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 14 proven. 2 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2024-11-13 23:17:56,419 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (197)] Ended with exit code 0 [2024-11-13 23:17:56,421 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:17:56,421 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 21 states and 31 transitions. [2024-11-13 23:17:56,421 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 31 transitions. [2024-11-13 23:17:56,421 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-13 23:17:56,421 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:17:56,421 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:17:56,421 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:17:56,423 INFO L229 MonitoredProcess]: Starting monitored process 198 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:17:56,424 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (198)] Waiting until timeout for monitored process [2024-11-13 23:17:56,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:17:56,749 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:17:56,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:17:56,820 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-13 23:17:56,820 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:17:57,215 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-13 23:17:57,219 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (198)] Ended with exit code 0 [2024-11-13 23:17:57,222 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:17:57,222 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 21 states and 31 transitions. [2024-11-13 23:17:57,222 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 31 transitions. [2024-11-13 23:17:57,222 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-13 23:17:57,222 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:17:57,223 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:17:57,223 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:17:57,224 INFO L229 MonitoredProcess]: Starting monitored process 199 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:17:57,227 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (199)] Waiting until timeout for monitored process [2024-11-13 23:17:57,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:17:57,519 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:17:57,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:17:57,558 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-13 23:17:57,559 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:17:57,865 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-13 23:17:57,867 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (199)] Ended with exit code 0 [2024-11-13 23:17:57,869 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:17:57,869 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 21 states and 31 transitions. [2024-11-13 23:17:57,869 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 31 transitions. [2024-11-13 23:17:57,869 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-13 23:17:57,869 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:17:57,869 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:17:57,869 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:17:57,871 INFO L229 MonitoredProcess]: Starting monitored process 200 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:17:57,872 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (200)] Waiting until timeout for monitored process [2024-11-13 23:17:58,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:17:58,187 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:17:58,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:17:58,224 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-13 23:17:58,224 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:17:58,496 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-13 23:17:58,499 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (200)] Forceful destruction successful, exit code 0 [2024-11-13 23:17:58,501 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:17:58,502 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 21 states and 31 transitions. [2024-11-13 23:17:58,502 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 31 transitions. [2024-11-13 23:17:58,502 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-13 23:17:58,502 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:17:58,502 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:17:58,502 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:17:58,504 INFO L229 MonitoredProcess]: Starting monitored process 201 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:17:58,506 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (201)] Waiting until timeout for monitored process [2024-11-13 23:17:58,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:17:58,812 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:17:58,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:17:58,857 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-13 23:17:58,858 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:17:59,147 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 14 proven. 2 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2024-11-13 23:17:59,150 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (201)] Ended with exit code 0 [2024-11-13 23:17:59,152 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:17:59,153 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 21 states and 31 transitions. [2024-11-13 23:17:59,153 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 31 transitions. [2024-11-13 23:17:59,153 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-13 23:17:59,153 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:17:59,153 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:17:59,153 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:17:59,155 INFO L229 MonitoredProcess]: Starting monitored process 202 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:17:59,156 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (202)] Waiting until timeout for monitored process [2024-11-13 23:17:59,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:17:59,440 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:17:59,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:17:59,534 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-13 23:17:59,535 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:17:59,956 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-13 23:17:59,959 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (202)] Ended with exit code 0 [2024-11-13 23:17:59,961 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:17:59,961 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 21 states and 31 transitions. [2024-11-13 23:17:59,961 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 31 transitions. [2024-11-13 23:17:59,962 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-13 23:17:59,962 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:17:59,962 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:17:59,962 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:17:59,963 INFO L229 MonitoredProcess]: Starting monitored process 203 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:17:59,964 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (203)] Waiting until timeout for monitored process [2024-11-13 23:18:00,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:18:00,250 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:18:00,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:18:00,304 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-13 23:18:00,305 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:18:00,546 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 14 proven. 2 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2024-11-13 23:18:00,553 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (203)] Ended with exit code 0 [2024-11-13 23:18:00,555 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:18:00,556 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 21 states and 31 transitions. [2024-11-13 23:18:00,556 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 31 transitions. [2024-11-13 23:18:00,556 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-13 23:18:00,556 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:18:00,556 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:18:00,556 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:18:00,558 INFO L229 MonitoredProcess]: Starting monitored process 204 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:18:00,559 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (204)] Waiting until timeout for monitored process [2024-11-13 23:18:00,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:18:00,890 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:18:00,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:18:00,956 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-13 23:18:00,957 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:18:01,256 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 14 proven. 2 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2024-11-13 23:18:01,258 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (204)] Ended with exit code 0 [2024-11-13 23:18:01,261 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:18:01,261 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 21 states and 31 transitions. [2024-11-13 23:18:01,261 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 31 transitions. [2024-11-13 23:18:01,262 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-13 23:18:01,262 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:18:01,262 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:18:01,262 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:18:01,263 INFO L229 MonitoredProcess]: Starting monitored process 205 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:18:01,264 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (205)] Waiting until timeout for monitored process [2024-11-13 23:18:01,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:18:01,506 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:18:01,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:18:01,568 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-13 23:18:01,569 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:18:01,890 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-13 23:18:01,893 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (205)] Ended with exit code 0 [2024-11-13 23:18:01,895 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:18:01,895 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 21 states and 31 transitions. [2024-11-13 23:18:01,895 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 31 transitions. [2024-11-13 23:18:01,895 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-13 23:18:01,895 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:18:01,895 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:18:01,895 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:18:01,897 INFO L229 MonitoredProcess]: Starting monitored process 206 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:18:01,898 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (206)] Waiting until timeout for monitored process [2024-11-13 23:18:02,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:18:02,196 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:18:02,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:18:02,232 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-13 23:18:02,233 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:18:02,508 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 14 proven. 2 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2024-11-13 23:18:02,511 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (206)] Forceful destruction successful, exit code 0 [2024-11-13 23:18:02,513 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:18:02,514 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 21 states and 31 transitions. [2024-11-13 23:18:02,514 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 31 transitions. [2024-11-13 23:18:02,514 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-13 23:18:02,514 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:18:02,514 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:18:02,514 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:18:02,515 INFO L229 MonitoredProcess]: Starting monitored process 207 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:18:02,517 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (207)] Waiting until timeout for monitored process [2024-11-13 23:18:02,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:18:02,808 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:18:02,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:18:02,837 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-13 23:18:02,838 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:18:03,157 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-13 23:18:03,160 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (207)] Forceful destruction successful, exit code 0 [2024-11-13 23:18:03,162 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:18:03,162 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 21 states and 31 transitions. [2024-11-13 23:18:03,162 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 31 transitions. [2024-11-13 23:18:03,162 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-13 23:18:03,162 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:18:03,162 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:18:03,162 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:18:03,164 INFO L229 MonitoredProcess]: Starting monitored process 208 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:18:03,165 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (208)] Waiting until timeout for monitored process [2024-11-13 23:18:03,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:18:03,410 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:18:03,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:18:03,441 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-13 23:18:03,442 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:18:03,726 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-13 23:18:03,729 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (208)] Ended with exit code 0 [2024-11-13 23:18:03,730 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:18:03,730 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 21 states and 31 transitions. [2024-11-13 23:18:03,731 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 31 transitions. [2024-11-13 23:18:03,731 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-13 23:18:03,731 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:18:03,731 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:18:03,731 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:18:03,733 INFO L229 MonitoredProcess]: Starting monitored process 209 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:18:03,735 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (209)] Waiting until timeout for monitored process [2024-11-13 23:18:04,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:18:04,023 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:18:04,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:18:04,063 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-13 23:18:04,064 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:18:04,376 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-13 23:18:04,380 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (209)] Forceful destruction successful, exit code 0 [2024-11-13 23:18:04,383 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:18:04,383 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 21 states and 31 transitions. [2024-11-13 23:18:04,383 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 31 transitions. [2024-11-13 23:18:04,384 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-13 23:18:04,384 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:18:04,384 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:18:04,384 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:18:04,387 INFO L229 MonitoredProcess]: Starting monitored process 210 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:18:04,388 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (210)] Waiting until timeout for monitored process [2024-11-13 23:18:04,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:18:04,665 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:18:04,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:18:04,739 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-13 23:18:04,740 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:18:05,057 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-13 23:18:05,060 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (210)] Ended with exit code 0 [2024-11-13 23:18:05,062 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:18:05,062 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 21 states and 31 transitions. [2024-11-13 23:18:05,062 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 31 transitions. [2024-11-13 23:18:05,063 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-13 23:18:05,063 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:18:05,063 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:18:05,063 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:18:05,064 INFO L229 MonitoredProcess]: Starting monitored process 211 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:18:05,066 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (211)] Waiting until timeout for monitored process [2024-11-13 23:18:05,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:18:05,369 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:18:05,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:18:05,400 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-13 23:18:05,401 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:18:05,676 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-13 23:18:05,679 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (211)] Ended with exit code 0 [2024-11-13 23:18:05,681 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:18:05,681 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 21 states and 31 transitions. [2024-11-13 23:18:05,681 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 31 transitions. [2024-11-13 23:18:05,681 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-13 23:18:05,681 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:18:05,681 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:18:05,681 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:18:05,683 INFO L229 MonitoredProcess]: Starting monitored process 212 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:18:05,686 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (212)] Waiting until timeout for monitored process [2024-11-13 23:18:05,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:18:05,971 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:18:06,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:18:06,009 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-13 23:18:06,010 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:18:06,254 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 14 proven. 2 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2024-11-13 23:18:06,257 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (212)] Ended with exit code 0 [2024-11-13 23:18:06,259 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:18:06,260 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 21 states and 31 transitions. [2024-11-13 23:18:06,260 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 31 transitions. [2024-11-13 23:18:06,260 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-13 23:18:06,260 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:18:06,260 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:18:06,260 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:18:06,262 INFO L229 MonitoredProcess]: Starting monitored process 213 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:18:06,263 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (213)] Waiting until timeout for monitored process [2024-11-13 23:18:06,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:18:06,493 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:18:06,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:18:06,524 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-13 23:18:06,525 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:18:06,809 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-13 23:18:06,812 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (213)] Ended with exit code 0 [2024-11-13 23:18:06,814 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:18:06,814 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 21 states and 31 transitions. [2024-11-13 23:18:06,814 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 31 transitions. [2024-11-13 23:18:06,814 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-13 23:18:06,814 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:18:06,814 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:18:06,814 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:18:06,816 INFO L229 MonitoredProcess]: Starting monitored process 214 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:18:06,817 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (214)] Waiting until timeout for monitored process [2024-11-13 23:18:07,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:18:07,132 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:18:07,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:18:07,202 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-13 23:18:07,202 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:18:07,503 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-13 23:18:07,506 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (214)] Ended with exit code 0 [2024-11-13 23:18:07,507 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:18:07,507 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 21 states and 31 transitions. [2024-11-13 23:18:07,507 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 31 transitions. [2024-11-13 23:18:07,508 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-13 23:18:07,508 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:18:07,508 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:18:07,508 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:18:07,509 INFO L229 MonitoredProcess]: Starting monitored process 215 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:18:07,511 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (215)] Waiting until timeout for monitored process [2024-11-13 23:18:07,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:18:07,783 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:18:07,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:18:07,823 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-13 23:18:07,823 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:18:08,141 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-13 23:18:08,144 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (215)] Ended with exit code 0 [2024-11-13 23:18:08,145 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:18:08,145 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 21 states and 31 transitions. [2024-11-13 23:18:08,145 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 31 transitions. [2024-11-13 23:18:08,146 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-13 23:18:08,146 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:18:08,146 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:18:08,146 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:18:08,147 INFO L229 MonitoredProcess]: Starting monitored process 216 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:18:08,149 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (216)] Waiting until timeout for monitored process [2024-11-13 23:18:08,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:18:08,385 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:18:08,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:18:08,420 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-13 23:18:08,421 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:18:08,638 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 14 proven. 2 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2024-11-13 23:18:08,641 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (216)] Ended with exit code 0 [2024-11-13 23:18:08,642 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:18:08,643 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 21 states and 31 transitions. [2024-11-13 23:18:08,643 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 31 transitions. [2024-11-13 23:18:08,643 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-13 23:18:08,643 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:18:08,643 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:18:08,643 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:18:08,645 INFO L229 MonitoredProcess]: Starting monitored process 217 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:18:08,647 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (217)] Waiting until timeout for monitored process [2024-11-13 23:18:08,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:18:08,932 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:18:08,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:18:09,002 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-13 23:18:09,003 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:18:09,309 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-13 23:18:09,312 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (217)] Ended with exit code 0 [2024-11-13 23:18:09,313 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:18:09,314 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 21 states and 31 transitions. [2024-11-13 23:18:09,314 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 31 transitions. [2024-11-13 23:18:09,314 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-13 23:18:09,314 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:18:09,314 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:18:09,314 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:18:09,315 INFO L229 MonitoredProcess]: Starting monitored process 218 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:18:09,316 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (218)] Waiting until timeout for monitored process [2024-11-13 23:18:09,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:18:09,625 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:18:09,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:18:09,659 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-13 23:18:09,660 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:18:09,978 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-13 23:18:09,981 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (218)] Forceful destruction successful, exit code 0 [2024-11-13 23:18:09,983 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:18:09,983 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 21 states and 31 transitions. [2024-11-13 23:18:09,983 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 31 transitions. [2024-11-13 23:18:09,983 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-13 23:18:09,983 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:18:09,983 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:18:09,983 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:18:09,985 INFO L229 MonitoredProcess]: Starting monitored process 219 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:18:09,986 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (219)] Waiting until timeout for monitored process [2024-11-13 23:18:10,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:18:10,272 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:18:10,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:18:10,363 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-13 23:18:10,364 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:18:10,607 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-13 23:18:10,609 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (219)] Ended with exit code 0 [2024-11-13 23:18:10,611 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:18:10,611 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 21 states and 31 transitions. [2024-11-13 23:18:10,612 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 31 transitions. [2024-11-13 23:18:10,612 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-13 23:18:10,612 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:18:10,612 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:18:10,612 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:18:10,616 INFO L229 MonitoredProcess]: Starting monitored process 220 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:18:10,617 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (220)] Waiting until timeout for monitored process [2024-11-13 23:18:10,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:18:10,903 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:18:10,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:18:10,941 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-13 23:18:10,941 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:18:11,235 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-13 23:18:11,238 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (220)] Ended with exit code 0 [2024-11-13 23:18:11,240 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:18:11,241 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 21 states and 31 transitions. [2024-11-13 23:18:11,241 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 31 transitions. [2024-11-13 23:18:11,241 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-13 23:18:11,241 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:18:11,241 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:18:11,241 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:18:11,243 INFO L229 MonitoredProcess]: Starting monitored process 221 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:18:11,243 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (221)] Waiting until timeout for monitored process [2024-11-13 23:18:11,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:18:11,494 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:18:11,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:18:11,557 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-13 23:18:11,558 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:18:11,843 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-13 23:18:11,846 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (221)] Forceful destruction successful, exit code 0 [2024-11-13 23:18:11,848 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:18:11,848 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 21 states and 31 transitions. [2024-11-13 23:18:11,848 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 31 transitions. [2024-11-13 23:18:11,848 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-13 23:18:11,848 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:18:11,848 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:18:11,849 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:18:11,852 INFO L229 MonitoredProcess]: Starting monitored process 222 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:18:11,855 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (222)] Waiting until timeout for monitored process [2024-11-13 23:18:12,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:18:12,154 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:18:12,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:18:12,192 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-13 23:18:12,192 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:18:12,489 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-13 23:18:12,492 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (222)] Ended with exit code 0 [2024-11-13 23:18:12,495 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:18:12,495 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 21 states and 31 transitions. [2024-11-13 23:18:12,495 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 31 transitions. [2024-11-13 23:18:12,496 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-13 23:18:12,496 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:18:12,496 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:18:12,496 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:18:12,498 INFO L229 MonitoredProcess]: Starting monitored process 223 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:18:12,499 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (223)] Waiting until timeout for monitored process [2024-11-13 23:18:12,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:18:12,727 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:18:12,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:18:12,768 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-13 23:18:12,769 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:18:13,011 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 14 proven. 2 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2024-11-13 23:18:13,014 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (223)] Ended with exit code 0 [2024-11-13 23:18:13,017 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:18:13,017 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 21 states and 31 transitions. [2024-11-13 23:18:13,017 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 31 transitions. [2024-11-13 23:18:13,017 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-13 23:18:13,017 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:18:13,017 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:18:13,017 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:18:13,019 INFO L229 MonitoredProcess]: Starting monitored process 224 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:18:13,020 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (224)] Waiting until timeout for monitored process [2024-11-13 23:18:13,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:18:13,308 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:18:13,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:18:13,339 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-13 23:18:13,340 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:18:13,601 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-13 23:18:13,603 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (224)] Ended with exit code 0 [2024-11-13 23:18:13,605 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:18:13,605 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 21 states and 31 transitions. [2024-11-13 23:18:13,605 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 31 transitions. [2024-11-13 23:18:13,605 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-13 23:18:13,605 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:18:13,605 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:18:13,605 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:18:13,607 INFO L229 MonitoredProcess]: Starting monitored process 225 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:18:13,608 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (225)] Waiting until timeout for monitored process [2024-11-13 23:18:13,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:18:13,865 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:18:13,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:18:13,929 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-13 23:18:13,929 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:18:14,261 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-13 23:18:14,264 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (225)] Ended with exit code 0 [2024-11-13 23:18:14,267 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:18:14,267 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 21 states and 31 transitions. [2024-11-13 23:18:14,267 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 31 transitions. [2024-11-13 23:18:14,267 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-13 23:18:14,267 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:18:14,267 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:18:14,268 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:18:14,271 INFO L229 MonitoredProcess]: Starting monitored process 226 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:18:14,273 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (226)] Waiting until timeout for monitored process [2024-11-13 23:18:14,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:18:14,503 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:18:14,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:18:14,532 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-13 23:18:14,532 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:18:14,929 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-13 23:18:14,934 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (226)] Ended with exit code 0 [2024-11-13 23:18:14,936 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:18:14,937 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 21 states and 31 transitions. [2024-11-13 23:18:14,937 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 31 transitions. [2024-11-13 23:18:14,937 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-13 23:18:14,937 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:18:14,937 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:18:14,937 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:18:14,939 INFO L229 MonitoredProcess]: Starting monitored process 227 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:18:14,940 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (227)] Waiting until timeout for monitored process [2024-11-13 23:18:15,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:18:15,256 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:18:15,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:18:15,324 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-13 23:18:15,325 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:18:15,593 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-13 23:18:15,596 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (227)] Ended with exit code 0 [2024-11-13 23:18:15,597 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:18:15,598 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 21 states and 31 transitions. [2024-11-13 23:18:15,598 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 31 transitions. [2024-11-13 23:18:15,598 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-13 23:18:15,598 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:18:15,598 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:18:15,598 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:18:15,599 INFO L229 MonitoredProcess]: Starting monitored process 228 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:18:15,601 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (228)] Waiting until timeout for monitored process [2024-11-13 23:18:15,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:18:15,844 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:18:15,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:18:15,885 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-13 23:18:15,886 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:18:16,226 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-13 23:18:16,229 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (228)] Ended with exit code 0 [2024-11-13 23:18:16,231 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:18:16,231 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 21 states and 31 transitions. [2024-11-13 23:18:16,231 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 31 transitions. [2024-11-13 23:18:16,231 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-13 23:18:16,231 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:18:16,231 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:18:16,231 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:18:16,233 INFO L229 MonitoredProcess]: Starting monitored process 229 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:18:16,234 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (229)] Waiting until timeout for monitored process [2024-11-13 23:18:16,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:18:16,471 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:18:16,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:18:16,526 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-13 23:18:16,527 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:18:16,789 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-13 23:18:16,792 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (229)] Ended with exit code 0 [2024-11-13 23:18:16,793 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:18:16,794 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 21 states and 31 transitions. [2024-11-13 23:18:16,794 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 31 transitions. [2024-11-13 23:18:16,794 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-13 23:18:16,794 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:18:16,794 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:18:16,794 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:18:16,795 INFO L229 MonitoredProcess]: Starting monitored process 230 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:18:16,796 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (230)] Waiting until timeout for monitored process [2024-11-13 23:18:17,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:18:17,097 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:18:17,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:18:17,151 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-13 23:18:17,152 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:18:17,477 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-13 23:18:17,480 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (230)] Forceful destruction successful, exit code 0 [2024-11-13 23:18:17,482 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:18:17,482 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 21 states and 31 transitions. [2024-11-13 23:18:17,482 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 31 transitions. [2024-11-13 23:18:17,483 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-13 23:18:17,483 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:18:17,483 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:18:17,483 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:18:17,484 INFO L229 MonitoredProcess]: Starting monitored process 231 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:18:17,486 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (231)] Waiting until timeout for monitored process [2024-11-13 23:18:17,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:18:17,715 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:18:17,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:18:17,747 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-13 23:18:17,747 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:18:18,032 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-13 23:18:18,035 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (231)] Forceful destruction successful, exit code 0 [2024-11-13 23:18:18,037 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:18:18,037 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 21 states and 31 transitions. [2024-11-13 23:18:18,037 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 31 transitions. [2024-11-13 23:18:18,037 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-13 23:18:18,037 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:18:18,037 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:18:18,037 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:18:18,039 INFO L229 MonitoredProcess]: Starting monitored process 232 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:18:18,040 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (232)] Waiting until timeout for monitored process [2024-11-13 23:18:18,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:18:18,315 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:18:18,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:18:18,384 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-13 23:18:18,384 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:18:18,679 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-13 23:18:18,682 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (232)] Ended with exit code 0 [2024-11-13 23:18:18,684 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:18:18,684 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 21 states and 31 transitions. [2024-11-13 23:18:18,684 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 31 transitions. [2024-11-13 23:18:18,684 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-13 23:18:18,684 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:18:18,685 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:18:18,685 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:18:18,686 INFO L229 MonitoredProcess]: Starting monitored process 233 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:18:18,688 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (233)] Waiting until timeout for monitored process [2024-11-13 23:18:18,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:18:18,942 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:18:18,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:18:18,979 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-13 23:18:18,980 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:18:19,235 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 14 proven. 2 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2024-11-13 23:18:19,238 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (233)] Ended with exit code 0 [2024-11-13 23:18:19,240 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:18:19,240 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 21 states and 31 transitions. [2024-11-13 23:18:19,240 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 31 transitions. [2024-11-13 23:18:19,240 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-13 23:18:19,240 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:18:19,240 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:18:19,240 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:18:19,242 INFO L229 MonitoredProcess]: Starting monitored process 234 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:18:19,243 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (234)] Waiting until timeout for monitored process [2024-11-13 23:18:19,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:18:19,549 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:18:19,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:18:19,636 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-13 23:18:19,637 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:18:20,048 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-13 23:18:20,051 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (234)] Ended with exit code 0 [2024-11-13 23:18:20,053 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:18:20,053 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 21 states and 31 transitions. [2024-11-13 23:18:20,053 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 31 transitions. [2024-11-13 23:18:20,054 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-13 23:18:20,054 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:18:20,054 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:18:20,054 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:18:20,057 INFO L229 MonitoredProcess]: Starting monitored process 235 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:18:20,058 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (235)] Waiting until timeout for monitored process [2024-11-13 23:18:20,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:18:20,392 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:18:20,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:18:20,421 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-13 23:18:20,421 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:18:20,674 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-13 23:18:20,676 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (235)] Ended with exit code 0 [2024-11-13 23:18:20,678 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:18:20,678 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 21 states and 31 transitions. [2024-11-13 23:18:20,678 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 31 transitions. [2024-11-13 23:18:20,679 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-13 23:18:20,679 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:18:20,679 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:18:20,679 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:18:20,680 INFO L229 MonitoredProcess]: Starting monitored process 236 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:18:20,682 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (236)] Waiting until timeout for monitored process [2024-11-13 23:18:20,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:18:20,912 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:18:20,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:18:20,943 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-13 23:18:20,944 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:18:21,276 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-13 23:18:21,279 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (236)] Forceful destruction successful, exit code 0 [2024-11-13 23:18:21,282 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:18:21,282 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 21 states and 31 transitions. [2024-11-13 23:18:21,282 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 31 transitions. [2024-11-13 23:18:21,282 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-13 23:18:21,282 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:18:21,282 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:18:21,282 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:18:21,284 INFO L229 MonitoredProcess]: Starting monitored process 237 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:18:21,285 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (237)] Waiting until timeout for monitored process [2024-11-13 23:18:21,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:18:21,529 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:18:21,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:18:21,576 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-13 23:18:21,577 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:18:21,852 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-13 23:18:21,855 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (237)] Forceful destruction successful, exit code 0 [2024-11-13 23:18:21,856 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:18:21,857 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 21 states and 31 transitions. [2024-11-13 23:18:21,857 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 31 transitions. [2024-11-13 23:18:21,857 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-13 23:18:21,857 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:18:21,857 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:18:21,857 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:18:21,862 INFO L229 MonitoredProcess]: Starting monitored process 238 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:18:21,863 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (238)] Waiting until timeout for monitored process [2024-11-13 23:18:22,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:18:22,144 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:18:22,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:18:22,177 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-13 23:18:22,177 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:18:22,440 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-13 23:18:22,443 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (238)] Ended with exit code 0 [2024-11-13 23:18:22,444 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:18:22,445 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 21 states and 31 transitions. [2024-11-13 23:18:22,445 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 31 transitions. [2024-11-13 23:18:22,445 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-13 23:18:22,445 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:18:22,445 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:18:22,445 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:18:22,447 INFO L229 MonitoredProcess]: Starting monitored process 239 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:18:22,448 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (239)] Waiting until timeout for monitored process [2024-11-13 23:18:22,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:18:22,676 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:18:22,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:18:22,711 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-13 23:18:22,711 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:18:22,921 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 14 proven. 2 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2024-11-13 23:18:22,924 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (239)] Ended with exit code 0 [2024-11-13 23:18:22,925 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:18:22,926 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 21 states and 31 transitions. [2024-11-13 23:18:22,926 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 31 transitions. [2024-11-13 23:18:22,926 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-13 23:18:22,926 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:18:22,926 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:18:22,926 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:18:22,927 INFO L229 MonitoredProcess]: Starting monitored process 240 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:18:22,929 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (240)] Waiting until timeout for monitored process [2024-11-13 23:18:23,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:18:23,232 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:18:23,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:18:23,273 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-13 23:18:23,273 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:18:23,550 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-13 23:18:23,553 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (240)] Ended with exit code 0 [2024-11-13 23:18:23,556 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:18:23,556 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 21 states and 31 transitions. [2024-11-13 23:18:23,556 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 31 transitions. [2024-11-13 23:18:23,556 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-13 23:18:23,556 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:18:23,556 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:18:23,556 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:18:23,558 INFO L229 MonitoredProcess]: Starting monitored process 241 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:18:23,559 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (241)] Waiting until timeout for monitored process [2024-11-13 23:18:23,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:18:23,787 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:18:23,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:18:23,818 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-13 23:18:23,819 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:18:24,117 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-13 23:18:24,120 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (241)] Forceful destruction successful, exit code 0 [2024-11-13 23:18:24,123 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:18:24,123 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 21 states and 31 transitions. [2024-11-13 23:18:24,123 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 31 transitions. [2024-11-13 23:18:24,123 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-13 23:18:24,123 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:18:24,123 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:18:24,123 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:18:24,125 INFO L229 MonitoredProcess]: Starting monitored process 242 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:18:24,128 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (242)] Waiting until timeout for monitored process [2024-11-13 23:18:24,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:18:24,422 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:18:24,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:18:24,500 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-13 23:18:24,501 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:18:24,811 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-13 23:18:24,813 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (242)] Ended with exit code 0 [2024-11-13 23:18:24,815 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:18:24,815 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 21 states and 31 transitions. [2024-11-13 23:18:24,815 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 31 transitions. [2024-11-13 23:18:24,815 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-13 23:18:24,815 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:18:24,815 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:18:24,815 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:18:24,817 INFO L229 MonitoredProcess]: Starting monitored process 243 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:18:24,818 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (243)] Waiting until timeout for monitored process [2024-11-13 23:18:25,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:18:25,115 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:18:25,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:18:25,188 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-13 23:18:25,189 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:18:25,448 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-13 23:18:25,451 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (243)] Ended with exit code 0 [2024-11-13 23:18:25,452 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:18:25,452 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 21 states and 31 transitions. [2024-11-13 23:18:25,452 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 31 transitions. [2024-11-13 23:18:25,453 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-13 23:18:25,453 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:18:25,453 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:18:25,453 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:18:25,454 INFO L229 MonitoredProcess]: Starting monitored process 244 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:18:25,455 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (244)] Waiting until timeout for monitored process [2024-11-13 23:18:25,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:18:25,683 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:18:25,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:18:25,711 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-13 23:18:25,712 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:18:25,958 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-13 23:18:25,961 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (244)] Ended with exit code 0 [2024-11-13 23:18:25,963 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:18:25,963 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 21 states and 31 transitions. [2024-11-13 23:18:25,963 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 31 transitions. [2024-11-13 23:18:25,963 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-13 23:18:25,963 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:18:25,963 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:18:25,963 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:18:25,965 INFO L229 MonitoredProcess]: Starting monitored process 245 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:18:25,966 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (245)] Waiting until timeout for monitored process [2024-11-13 23:18:26,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:18:26,250 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:18:26,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:18:26,321 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-13 23:18:26,322 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:18:26,595 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-13 23:18:26,598 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (245)] Ended with exit code 0 [2024-11-13 23:18:26,599 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:18:26,599 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 21 states and 31 transitions. [2024-11-13 23:18:26,599 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 31 transitions. [2024-11-13 23:18:26,600 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-13 23:18:26,600 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:18:26,600 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:18:26,600 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:18:26,601 INFO L229 MonitoredProcess]: Starting monitored process 246 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:18:26,602 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (246)] Waiting until timeout for monitored process [2024-11-13 23:18:26,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:18:26,844 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:18:26,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:18:26,880 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-13 23:18:26,881 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:18:27,150 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-13 23:18:27,152 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (246)] Forceful destruction successful, exit code 0 [2024-11-13 23:18:27,155 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:18:27,155 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 21 states and 31 transitions. [2024-11-13 23:18:27,155 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 31 transitions. [2024-11-13 23:18:27,155 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-13 23:18:27,155 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:18:27,156 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:18:27,156 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:18:27,157 INFO L229 MonitoredProcess]: Starting monitored process 247 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:18:27,159 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (247)] Waiting until timeout for monitored process [2024-11-13 23:18:27,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:18:27,442 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:18:27,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:18:27,480 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-13 23:18:27,481 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:18:27,709 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 14 proven. 2 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2024-11-13 23:18:27,712 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (247)] Ended with exit code 0 [2024-11-13 23:18:27,713 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:18:27,713 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 21 states and 31 transitions. [2024-11-13 23:18:27,714 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 31 transitions. [2024-11-13 23:18:27,714 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-13 23:18:27,714 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:18:27,714 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:18:27,714 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:18:27,715 INFO L229 MonitoredProcess]: Starting monitored process 248 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:18:27,716 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (248)] Waiting until timeout for monitored process [2024-11-13 23:18:27,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:18:27,944 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:18:27,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:18:27,974 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-13 23:18:27,975 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:18:28,277 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-13 23:18:28,280 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (248)] Forceful destruction successful, exit code 0 [2024-11-13 23:18:28,282 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:18:28,282 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 21 states and 31 transitions. [2024-11-13 23:18:28,282 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 31 transitions. [2024-11-13 23:18:28,282 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-13 23:18:28,282 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:18:28,282 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:18:28,282 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:18:28,284 INFO L229 MonitoredProcess]: Starting monitored process 249 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:18:28,285 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (249)] Waiting until timeout for monitored process [2024-11-13 23:18:28,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:18:28,583 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:18:28,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:18:28,614 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-13 23:18:28,615 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:18:28,915 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-13 23:18:28,917 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (249)] Forceful destruction successful, exit code 0 [2024-11-13 23:18:28,919 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:18:28,919 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 21 states and 31 transitions. [2024-11-13 23:18:28,919 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 31 transitions. [2024-11-13 23:18:28,919 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-13 23:18:28,920 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:18:28,920 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:18:28,920 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:18:28,923 INFO L229 MonitoredProcess]: Starting monitored process 250 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:18:28,924 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (250)] Waiting until timeout for monitored process [2024-11-13 23:18:29,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:18:29,186 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:18:29,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:18:29,260 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-13 23:18:29,260 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:18:29,550 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-13 23:18:29,553 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (250)] Ended with exit code 0 [2024-11-13 23:18:29,555 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:18:29,555 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 21 states and 31 transitions. [2024-11-13 23:18:29,555 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 31 transitions. [2024-11-13 23:18:29,555 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-13 23:18:29,555 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:18:29,555 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:18:29,556 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:18:29,557 INFO L229 MonitoredProcess]: Starting monitored process 251 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:18:29,558 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (251)] Waiting until timeout for monitored process [2024-11-13 23:18:29,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:18:29,866 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:18:29,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:18:29,895 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-13 23:18:29,895 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:18:30,157 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-13 23:18:30,160 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (251)] Ended with exit code 0 [2024-11-13 23:18:30,162 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:18:30,162 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 21 states and 31 transitions. [2024-11-13 23:18:30,162 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 31 transitions. [2024-11-13 23:18:30,162 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-13 23:18:30,162 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:18:30,162 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:18:30,162 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:18:30,164 INFO L229 MonitoredProcess]: Starting monitored process 252 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:18:30,165 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (252)] Waiting until timeout for monitored process [2024-11-13 23:18:30,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:18:30,456 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:18:30,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:18:30,488 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-13 23:18:30,488 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:18:30,752 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-13 23:18:30,754 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (252)] Forceful destruction successful, exit code 0 [2024-11-13 23:18:30,757 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:18:30,757 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 21 states and 31 transitions. [2024-11-13 23:18:30,757 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 31 transitions. [2024-11-13 23:18:30,757 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-13 23:18:30,757 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:18:30,757 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:18:30,757 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:18:30,759 INFO L229 MonitoredProcess]: Starting monitored process 253 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:18:30,760 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (253)] Waiting until timeout for monitored process [2024-11-13 23:18:30,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:18:30,988 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:18:31,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:18:31,048 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-13 23:18:31,048 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:18:31,340 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-13 23:18:31,343 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (253)] Ended with exit code 0 [2024-11-13 23:18:31,344 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:18:31,345 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 21 states and 31 transitions. [2024-11-13 23:18:31,345 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 31 transitions. [2024-11-13 23:18:31,345 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-13 23:18:31,345 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:18:31,345 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:18:31,345 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:18:31,347 INFO L229 MonitoredProcess]: Starting monitored process 254 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:18:31,348 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (254)] Waiting until timeout for monitored process [2024-11-13 23:18:31,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:18:31,576 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:18:31,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:18:31,604 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-13 23:18:31,605 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:18:31,914 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-13 23:18:31,917 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (254)] Ended with exit code 0 [2024-11-13 23:18:31,918 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:18:31,919 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 21 states and 31 transitions. [2024-11-13 23:18:31,919 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 31 transitions. [2024-11-13 23:18:31,919 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-13 23:18:31,919 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:18:31,919 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:18:31,919 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:18:31,921 INFO L229 MonitoredProcess]: Starting monitored process 255 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:18:31,922 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (255)] Waiting until timeout for monitored process [2024-11-13 23:18:32,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:18:32,150 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:18:32,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:18:32,194 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-13 23:18:32,195 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:18:32,503 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-13 23:18:32,506 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (255)] Ended with exit code 0 [2024-11-13 23:18:32,508 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:18:32,508 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 21 states and 31 transitions. [2024-11-13 23:18:32,508 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 31 transitions. [2024-11-13 23:18:32,509 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-13 23:18:32,509 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:18:32,509 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:18:32,509 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:18:32,512 INFO L229 MonitoredProcess]: Starting monitored process 256 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:18:32,513 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (256)] Waiting until timeout for monitored process [2024-11-13 23:18:32,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:18:32,744 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:18:32,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:18:32,775 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-13 23:18:32,776 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:18:33,023 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-13 23:18:33,025 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (256)] Forceful destruction successful, exit code 0 [2024-11-13 23:18:33,028 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:18:33,028 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 21 states and 31 transitions. [2024-11-13 23:18:33,028 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 31 transitions. [2024-11-13 23:18:33,028 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-13 23:18:33,028 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:18:33,029 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:18:33,029 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:18:33,031 INFO L229 MonitoredProcess]: Starting monitored process 257 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:18:33,036 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (257)] Waiting until timeout for monitored process [2024-11-13 23:18:33,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:18:33,289 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:18:33,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:18:33,337 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-13 23:18:33,338 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:18:33,582 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 14 proven. 2 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2024-11-13 23:18:33,585 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (257)] Ended with exit code 0 [2024-11-13 23:18:33,587 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:18:33,588 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 21 states and 31 transitions. [2024-11-13 23:18:33,588 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 31 transitions. [2024-11-13 23:18:33,588 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-13 23:18:33,588 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:18:33,589 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:18:33,589 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:18:33,591 INFO L229 MonitoredProcess]: Starting monitored process 258 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:18:33,593 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (258)] Waiting until timeout for monitored process [2024-11-13 23:18:33,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:18:33,900 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:18:33,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:18:33,938 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-13 23:18:33,939 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:18:34,255 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-13 23:18:34,259 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (258)] Ended with exit code 0 [2024-11-13 23:18:34,262 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:18:34,262 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 21 states and 31 transitions. [2024-11-13 23:18:34,263 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 31 transitions. [2024-11-13 23:18:34,264 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-13 23:18:34,264 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:18:34,264 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:18:34,264 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:18:34,266 INFO L229 MonitoredProcess]: Starting monitored process 259 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:18:34,268 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (259)] Waiting until timeout for monitored process [2024-11-13 23:18:34,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:18:34,556 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:18:34,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:18:34,629 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-13 23:18:34,630 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:18:34,919 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-13 23:18:34,922 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (259)] Forceful destruction successful, exit code 0 [2024-11-13 23:18:34,923 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:18:34,923 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 21 states and 31 transitions. [2024-11-13 23:18:34,924 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 31 transitions. [2024-11-13 23:18:34,924 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-13 23:18:34,924 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:18:34,924 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:18:34,924 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:18:34,925 INFO L229 MonitoredProcess]: Starting monitored process 260 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:18:34,927 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (260)] Waiting until timeout for monitored process [2024-11-13 23:18:35,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:18:35,155 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:18:35,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:18:35,198 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-13 23:18:35,199 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:18:35,539 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-13 23:18:35,541 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (260)] Ended with exit code 0 [2024-11-13 23:18:35,543 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:18:35,543 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 21 states and 31 transitions. [2024-11-13 23:18:35,543 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 31 transitions. [2024-11-13 23:18:35,543 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-13 23:18:35,543 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:18:35,543 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:18:35,544 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:18:35,545 INFO L229 MonitoredProcess]: Starting monitored process 261 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:18:35,546 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (261)] Waiting until timeout for monitored process [2024-11-13 23:18:35,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:18:35,830 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:18:35,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:18:35,871 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-13 23:18:35,872 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:18:36,229 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-13 23:18:36,232 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (261)] Forceful destruction successful, exit code 0 [2024-11-13 23:18:36,233 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:18:36,233 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 21 states and 31 transitions. [2024-11-13 23:18:36,233 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 31 transitions. [2024-11-13 23:18:36,234 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-13 23:18:36,234 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:18:36,234 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:18:36,234 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:18:36,235 INFO L229 MonitoredProcess]: Starting monitored process 262 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:18:36,237 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (262)] Waiting until timeout for monitored process [2024-11-13 23:18:36,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:18:36,514 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:18:36,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:18:36,544 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-13 23:18:36,544 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:18:36,823 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-13 23:18:36,831 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (262)] Ended with exit code 0 [2024-11-13 23:18:36,833 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:18:36,833 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 21 states and 31 transitions. [2024-11-13 23:18:36,833 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 31 transitions. [2024-11-13 23:18:36,834 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-13 23:18:36,834 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:18:36,834 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:18:36,834 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:18:36,836 INFO L229 MonitoredProcess]: Starting monitored process 263 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:18:36,838 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (263)] Waiting until timeout for monitored process [2024-11-13 23:18:37,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:18:37,100 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:18:37,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:18:37,164 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-13 23:18:37,165 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:18:37,479 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-13 23:18:37,482 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (263)] Forceful destruction successful, exit code 0 [2024-11-13 23:18:37,484 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:18:37,484 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 21 states and 31 transitions. [2024-11-13 23:18:37,485 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 31 transitions. [2024-11-13 23:18:37,485 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-13 23:18:37,485 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:18:37,485 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:18:37,485 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:18:37,489 INFO L229 MonitoredProcess]: Starting monitored process 264 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:18:37,490 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (264)] Waiting until timeout for monitored process [2024-11-13 23:18:37,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:18:37,776 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:18:37,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:18:37,847 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-13 23:18:37,848 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:18:38,099 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-13 23:18:38,102 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (264)] Forceful destruction successful, exit code 0 [2024-11-13 23:18:38,103 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:18:38,104 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 21 states and 31 transitions. [2024-11-13 23:18:38,104 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 31 transitions. [2024-11-13 23:18:38,104 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-13 23:18:38,104 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:18:38,104 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:18:38,104 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:18:38,105 INFO L229 MonitoredProcess]: Starting monitored process 265 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:18:38,106 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (265)] Waiting until timeout for monitored process [2024-11-13 23:18:38,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:18:38,326 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:18:38,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:18:38,391 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-13 23:18:38,392 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:18:38,691 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-13 23:18:38,694 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (265)] Forceful destruction successful, exit code 0 [2024-11-13 23:18:38,696 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:18:38,696 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 21 states and 31 transitions. [2024-11-13 23:18:38,696 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 31 transitions. [2024-11-13 23:18:38,696 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-13 23:18:38,696 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:18:38,696 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:18:38,696 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:18:38,699 INFO L229 MonitoredProcess]: Starting monitored process 266 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:18:38,703 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (266)] Waiting until timeout for monitored process [2024-11-13 23:18:38,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:18:38,952 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:18:39,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:18:39,055 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-13 23:18:39,056 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:18:39,439 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-13 23:18:39,443 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (266)] Forceful destruction successful, exit code 0 [2024-11-13 23:18:39,446 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:18:39,446 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 21 states and 31 transitions. [2024-11-13 23:18:39,446 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 31 transitions. [2024-11-13 23:18:39,446 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-13 23:18:39,446 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:18:39,446 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:18:39,446 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:18:39,448 INFO L229 MonitoredProcess]: Starting monitored process 267 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:18:39,451 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (267)] Waiting until timeout for monitored process [2024-11-13 23:18:39,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:18:39,760 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:18:39,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:18:39,840 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-13 23:18:39,840 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:18:40,228 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-13 23:18:40,231 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (267)] Ended with exit code 0 [2024-11-13 23:18:40,233 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:18:40,233 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 21 states and 31 transitions. [2024-11-13 23:18:40,233 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 31 transitions. [2024-11-13 23:18:40,233 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-13 23:18:40,233 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:18:40,234 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:18:40,234 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:18:40,235 INFO L229 MonitoredProcess]: Starting monitored process 268 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:18:40,236 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (268)] Waiting until timeout for monitored process [2024-11-13 23:18:40,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:18:40,589 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:18:40,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:18:40,695 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-13 23:18:40,696 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:18:41,035 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-13 23:18:41,038 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (268)] Ended with exit code 0 [2024-11-13 23:18:41,040 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:18:41,040 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 21 states and 31 transitions. [2024-11-13 23:18:41,040 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 31 transitions. [2024-11-13 23:18:41,040 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-13 23:18:41,040 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:18:41,040 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:18:41,040 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:18:41,042 INFO L229 MonitoredProcess]: Starting monitored process 269 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:18:41,043 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (269)] Waiting until timeout for monitored process [2024-11-13 23:18:41,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:18:41,368 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:18:41,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:18:41,499 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-13 23:18:41,500 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:18:41,870 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-13 23:18:41,873 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (269)] Ended with exit code 0 [2024-11-13 23:18:41,875 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:18:41,876 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 21 states and 31 transitions. [2024-11-13 23:18:41,876 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 31 transitions. [2024-11-13 23:18:41,876 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-13 23:18:41,876 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:18:41,876 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:18:41,876 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:18:41,878 INFO L229 MonitoredProcess]: Starting monitored process 270 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:18:41,880 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (270)] Waiting until timeout for monitored process [2024-11-13 23:18:42,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:18:42,245 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:18:42,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:18:42,282 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-13 23:18:42,283 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:18:42,608 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-13 23:18:42,611 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (270)] Forceful destruction successful, exit code 0 [2024-11-13 23:18:42,612 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:18:42,613 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 21 states and 31 transitions. [2024-11-13 23:18:42,613 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 31 transitions. [2024-11-13 23:18:42,613 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-13 23:18:42,613 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:18:42,613 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:18:42,613 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:18:42,615 INFO L229 MonitoredProcess]: Starting monitored process 271 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:18:42,616 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (271)] Waiting until timeout for monitored process [2024-11-13 23:18:42,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:18:42,964 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:18:43,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:18:43,011 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-13 23:18:43,012 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:18:43,338 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 14 proven. 2 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2024-11-13 23:18:43,341 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (271)] Ended with exit code 0 [2024-11-13 23:18:43,342 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:18:43,343 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 21 states and 31 transitions. [2024-11-13 23:18:43,343 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 31 transitions. [2024-11-13 23:18:43,343 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-13 23:18:43,343 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:18:43,343 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:18:43,343 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:18:43,345 INFO L229 MonitoredProcess]: Starting monitored process 272 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:18:43,346 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (272)] Waiting until timeout for monitored process [2024-11-13 23:18:43,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:18:43,642 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:18:43,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:18:43,685 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-13 23:18:43,686 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:18:44,033 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-13 23:18:44,036 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (272)] Forceful destruction successful, exit code 0 [2024-11-13 23:18:44,038 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:18:44,038 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 21 states and 31 transitions. [2024-11-13 23:18:44,038 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 31 transitions. [2024-11-13 23:18:44,039 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-13 23:18:44,039 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:18:44,039 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:18:44,039 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:18:44,040 INFO L229 MonitoredProcess]: Starting monitored process 273 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:18:44,041 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (273)] Waiting until timeout for monitored process [2024-11-13 23:18:44,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:18:44,339 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:18:44,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:18:44,372 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-13 23:18:44,373 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:18:44,718 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-13 23:18:44,721 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (273)] Forceful destruction successful, exit code 0 [2024-11-13 23:18:44,723 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:18:44,723 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 21 states and 31 transitions. [2024-11-13 23:18:44,723 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 31 transitions. [2024-11-13 23:18:44,723 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-13 23:18:44,723 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:18:44,723 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:18:44,724 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:18:44,726 INFO L229 MonitoredProcess]: Starting monitored process 274 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:18:44,727 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (274)] Waiting until timeout for monitored process [2024-11-13 23:18:45,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:18:45,051 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:18:45,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:18:45,093 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-13 23:18:45,093 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:18:45,310 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 14 proven. 2 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2024-11-13 23:18:45,313 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (274)] Forceful destruction successful, exit code 0 [2024-11-13 23:18:45,314 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:18:45,314 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 21 states and 31 transitions. [2024-11-13 23:18:45,315 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 31 transitions. [2024-11-13 23:18:45,315 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-13 23:18:45,315 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:18:45,315 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:18:45,315 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:18:45,317 INFO L229 MonitoredProcess]: Starting monitored process 275 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:18:45,318 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (275)] Waiting until timeout for monitored process [2024-11-13 23:18:45,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:18:45,538 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:18:45,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:18:45,569 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-13 23:18:45,570 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:18:45,881 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-13 23:18:45,884 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (275)] Ended with exit code 0 [2024-11-13 23:18:45,885 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:18:45,885 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 21 states and 31 transitions. [2024-11-13 23:18:45,886 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 31 transitions. [2024-11-13 23:18:45,886 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-13 23:18:45,886 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:18:45,886 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:18:45,886 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:18:45,888 INFO L229 MonitoredProcess]: Starting monitored process 276 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:18:45,890 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (276)] Waiting until timeout for monitored process [2024-11-13 23:18:46,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:18:46,146 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:18:46,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:18:46,190 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-13 23:18:46,191 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:18:46,609 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-13 23:18:46,612 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (276)] Ended with exit code 0 [2024-11-13 23:18:46,614 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:18:46,614 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 21 states and 31 transitions. [2024-11-13 23:18:46,614 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 31 transitions. [2024-11-13 23:18:46,614 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-13 23:18:46,614 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:18:46,614 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:18:46,614 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:18:46,616 INFO L229 MonitoredProcess]: Starting monitored process 277 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:18:46,617 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (277)] Waiting until timeout for monitored process [2024-11-13 23:18:46,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:18:46,955 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:18:47,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:18:47,028 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-13 23:18:47,029 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:18:47,461 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-13 23:18:47,465 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (277)] Ended with exit code 0 [2024-11-13 23:18:47,468 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:18:47,468 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 21 states and 31 transitions. [2024-11-13 23:18:47,468 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 31 transitions. [2024-11-13 23:18:47,468 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-13 23:18:47,468 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:18:47,468 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:18:47,468 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:18:47,470 INFO L229 MonitoredProcess]: Starting monitored process 278 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:18:47,473 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (278)] Waiting until timeout for monitored process [2024-11-13 23:18:47,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:18:47,772 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:18:47,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:18:47,800 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-13 23:18:47,801 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:18:48,063 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-13 23:18:48,066 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (278)] Ended with exit code 0 [2024-11-13 23:18:48,068 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:18:48,068 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 21 states and 31 transitions. [2024-11-13 23:18:48,068 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 31 transitions. [2024-11-13 23:18:48,068 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-13 23:18:48,068 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:18:48,068 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:18:48,068 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:18:48,070 INFO L229 MonitoredProcess]: Starting monitored process 279 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:18:48,073 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (279)] Waiting until timeout for monitored process [2024-11-13 23:18:48,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:18:48,341 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:18:48,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:18:48,371 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-13 23:18:48,372 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:18:48,692 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-13 23:18:48,695 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (279)] Ended with exit code 0 [2024-11-13 23:18:48,698 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:18:48,698 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 21 states and 31 transitions. [2024-11-13 23:18:48,698 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 31 transitions. [2024-11-13 23:18:48,698 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-13 23:18:48,698 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:18:48,698 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:18:48,698 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:18:48,700 INFO L229 MonitoredProcess]: Starting monitored process 280 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:18:48,701 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (280)] Waiting until timeout for monitored process [2024-11-13 23:18:48,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:18:48,996 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:18:49,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:18:49,042 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-13 23:18:49,043 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:18:49,327 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 14 proven. 2 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2024-11-13 23:18:49,330 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (280)] Forceful destruction successful, exit code 0 [2024-11-13 23:18:49,332 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:18:49,333 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 21 states and 31 transitions. [2024-11-13 23:18:49,333 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 31 transitions. [2024-11-13 23:18:49,333 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-13 23:18:49,333 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:18:49,333 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:18:49,333 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:18:49,335 INFO L229 MonitoredProcess]: Starting monitored process 281 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:18:49,335 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (281)] Waiting until timeout for monitored process [2024-11-13 23:18:49,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:18:49,663 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:18:49,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:18:49,696 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-13 23:18:49,696 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:18:49,977 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-13 23:18:49,980 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (281)] Ended with exit code 0 [2024-11-13 23:18:49,981 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:18:49,981 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 21 states and 31 transitions. [2024-11-13 23:18:49,981 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 31 transitions. [2024-11-13 23:18:49,982 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-13 23:18:49,982 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:18:49,982 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:18:49,982 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:18:49,983 INFO L229 MonitoredProcess]: Starting monitored process 282 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:18:49,985 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (282)] Waiting until timeout for monitored process [2024-11-13 23:18:50,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:18:50,215 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:18:50,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:18:50,257 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-13 23:18:50,258 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:18:50,496 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 14 proven. 2 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2024-11-13 23:18:50,499 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (282)] Ended with exit code 0 [2024-11-13 23:18:50,500 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:18:50,501 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 21 states and 31 transitions. [2024-11-13 23:18:50,501 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 31 transitions. [2024-11-13 23:18:50,501 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-13 23:18:50,501 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:18:50,501 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:18:50,501 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:18:50,503 INFO L229 MonitoredProcess]: Starting monitored process 283 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:18:50,504 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (283)] Waiting until timeout for monitored process [2024-11-13 23:18:50,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:18:50,776 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:18:50,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:18:50,830 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-13 23:18:50,831 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:18:51,108 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-13 23:18:51,111 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (283)] Ended with exit code 0 [2024-11-13 23:18:51,113 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:18:51,113 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 21 states and 31 transitions. [2024-11-13 23:18:51,113 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 31 transitions. [2024-11-13 23:18:51,113 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-13 23:18:51,113 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:18:51,113 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:18:51,113 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:18:51,115 INFO L229 MonitoredProcess]: Starting monitored process 284 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:18:51,116 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (284)] Waiting until timeout for monitored process [2024-11-13 23:18:51,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:18:51,357 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:18:51,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:18:51,401 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-13 23:18:51,402 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:18:51,672 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-13 23:18:51,675 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (284)] Ended with exit code 0 [2024-11-13 23:18:51,677 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:18:51,677 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 21 states and 31 transitions. [2024-11-13 23:18:51,677 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 31 transitions. [2024-11-13 23:18:51,677 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-13 23:18:51,677 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:18:51,677 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:18:51,677 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:18:51,679 INFO L229 MonitoredProcess]: Starting monitored process 285 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:18:51,680 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (285)] Waiting until timeout for monitored process [2024-11-13 23:18:51,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:18:51,914 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:18:51,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:18:51,950 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-13 23:18:51,950 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:18:52,172 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 14 proven. 2 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2024-11-13 23:18:52,175 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (285)] Ended with exit code 0 [2024-11-13 23:18:52,176 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:18:52,176 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 21 states and 31 transitions. [2024-11-13 23:18:52,176 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 31 transitions. [2024-11-13 23:18:52,177 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-13 23:18:52,177 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:18:52,177 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:18:52,177 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:18:52,178 INFO L229 MonitoredProcess]: Starting monitored process 286 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:18:52,180 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (286)] Waiting until timeout for monitored process [2024-11-13 23:18:52,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:18:52,403 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:18:52,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:18:52,431 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-13 23:18:52,432 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:18:52,715 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-13 23:18:52,718 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (286)] Ended with exit code 0 [2024-11-13 23:18:52,720 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:18:52,720 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 21 states and 31 transitions. [2024-11-13 23:18:52,720 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 31 transitions. [2024-11-13 23:18:52,721 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-13 23:18:52,721 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:18:52,721 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:18:52,721 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:18:52,722 INFO L229 MonitoredProcess]: Starting monitored process 287 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:18:52,723 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (287)] Waiting until timeout for monitored process [2024-11-13 23:18:52,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:18:52,982 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:18:53,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:18:53,016 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-13 23:18:53,017 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:18:53,283 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-13 23:18:53,286 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (287)] Ended with exit code 0 [2024-11-13 23:18:53,287 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:18:53,287 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 21 states and 31 transitions. [2024-11-13 23:18:53,287 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 31 transitions. [2024-11-13 23:18:53,288 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-13 23:18:53,288 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:18:53,288 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:18:53,288 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:18:53,289 INFO L229 MonitoredProcess]: Starting monitored process 288 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:18:53,291 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (288)] Waiting until timeout for monitored process [2024-11-13 23:18:53,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:18:53,525 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:18:53,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:18:53,604 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-13 23:18:53,604 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:18:53,895 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-13 23:18:53,898 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (288)] Ended with exit code 0 [2024-11-13 23:18:53,900 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:18:53,900 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 21 states and 31 transitions. [2024-11-13 23:18:53,900 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 31 transitions. [2024-11-13 23:18:53,900 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-13 23:18:53,900 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:18:53,900 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:18:53,900 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:18:53,903 INFO L229 MonitoredProcess]: Starting monitored process 289 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:18:53,904 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (289)] Waiting until timeout for monitored process [2024-11-13 23:18:54,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:18:54,138 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:18:54,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:18:54,173 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-13 23:18:54,174 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:18:54,412 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 14 proven. 2 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2024-11-13 23:18:54,416 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (289)] Ended with exit code 0 [2024-11-13 23:18:54,419 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:18:54,419 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 21 states and 31 transitions. [2024-11-13 23:18:54,419 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 31 transitions. [2024-11-13 23:18:54,419 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-13 23:18:54,419 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:18:54,420 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:18:54,420 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:18:54,422 INFO L229 MonitoredProcess]: Starting monitored process 290 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:18:54,424 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (290)] Waiting until timeout for monitored process [2024-11-13 23:18:54,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:18:54,733 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:18:54,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:18:54,775 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-13 23:18:54,776 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:18:55,048 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-13 23:18:55,050 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (290)] Ended with exit code 0 [2024-11-13 23:18:55,052 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:18:55,053 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 21 states and 31 transitions. [2024-11-13 23:18:55,053 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 31 transitions. [2024-11-13 23:18:55,053 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-13 23:18:55,053 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:18:55,053 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:18:55,053 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:18:55,054 INFO L229 MonitoredProcess]: Starting monitored process 291 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:18:55,055 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (291)] Waiting until timeout for monitored process [2024-11-13 23:18:55,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:18:55,279 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:18:55,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:18:55,310 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-13 23:18:55,311 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:18:55,570 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-13 23:18:55,573 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (291)] Ended with exit code 0 [2024-11-13 23:18:55,575 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:18:55,575 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 21 states and 31 transitions. [2024-11-13 23:18:55,575 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 31 transitions. [2024-11-13 23:18:55,575 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-13 23:18:55,576 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:18:55,576 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:18:55,576 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:18:55,577 INFO L229 MonitoredProcess]: Starting monitored process 292 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:18:55,579 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (292)] Waiting until timeout for monitored process [2024-11-13 23:18:55,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:18:55,803 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:18:55,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:18:55,834 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-13 23:18:55,835 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:18:56,095 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-13 23:18:56,098 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (292)] Forceful destruction successful, exit code 0 [2024-11-13 23:18:56,099 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:18:56,100 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 21 states and 31 transitions. [2024-11-13 23:18:56,100 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 31 transitions. [2024-11-13 23:18:56,100 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-13 23:18:56,100 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:18:56,100 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:18:56,100 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:18:56,101 INFO L229 MonitoredProcess]: Starting monitored process 293 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:18:56,103 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (293)] Waiting until timeout for monitored process [2024-11-13 23:18:56,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:18:56,333 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:18:56,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:18:56,361 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-13 23:18:56,361 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:18:56,632 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-13 23:18:56,635 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (293)] Ended with exit code 0 [2024-11-13 23:18:56,636 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:18:56,636 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 21 states and 31 transitions. [2024-11-13 23:18:56,637 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 31 transitions. [2024-11-13 23:18:56,637 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-13 23:18:56,637 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:18:56,637 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:18:56,637 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:18:56,639 INFO L229 MonitoredProcess]: Starting monitored process 294 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:18:56,640 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (294)] Waiting until timeout for monitored process [2024-11-13 23:18:56,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:18:56,876 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:18:56,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:18:56,906 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-13 23:18:56,907 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:18:57,155 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-13 23:18:57,158 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (294)] Ended with exit code 0 [2024-11-13 23:18:57,159 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:18:57,160 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 21 states and 31 transitions. [2024-11-13 23:18:57,160 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 31 transitions. [2024-11-13 23:18:57,160 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-13 23:18:57,160 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:18:57,160 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:18:57,160 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:18:57,161 INFO L229 MonitoredProcess]: Starting monitored process 295 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:18:57,163 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (295)] Waiting until timeout for monitored process [2024-11-13 23:18:57,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:18:57,385 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:18:57,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:18:57,419 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-13 23:18:57,419 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:18:57,639 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 14 proven. 2 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2024-11-13 23:18:57,642 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (295)] Forceful destruction successful, exit code 0 [2024-11-13 23:18:57,644 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:18:57,644 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 21 states and 31 transitions. [2024-11-13 23:18:57,644 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 31 transitions. [2024-11-13 23:18:57,644 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-13 23:18:57,644 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:18:57,644 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:18:57,644 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:18:57,646 INFO L229 MonitoredProcess]: Starting monitored process 296 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:18:57,647 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (296)] Waiting until timeout for monitored process [2024-11-13 23:18:57,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:18:57,874 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:18:57,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:18:57,922 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-13 23:18:57,923 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:18:58,192 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-13 23:18:58,196 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (296)] Ended with exit code 0 [2024-11-13 23:18:58,197 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:18:58,197 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 21 states and 31 transitions. [2024-11-13 23:18:58,197 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 31 transitions. [2024-11-13 23:18:58,198 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-13 23:18:58,198 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:18:58,198 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:18:58,198 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:18:58,199 INFO L229 MonitoredProcess]: Starting monitored process 297 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:18:58,201 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (297)] Waiting until timeout for monitored process [2024-11-13 23:18:58,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:18:58,442 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:18:58,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:18:58,500 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-13 23:18:58,501 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:18:58,772 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-13 23:18:58,775 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (297)] Ended with exit code 0 [2024-11-13 23:18:58,776 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:18:58,776 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 21 states and 31 transitions. [2024-11-13 23:18:58,776 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 31 transitions. [2024-11-13 23:18:58,777 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-13 23:18:58,777 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:18:58,777 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:18:58,777 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:18:58,778 INFO L229 MonitoredProcess]: Starting monitored process 298 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:18:58,780 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (298)] Waiting until timeout for monitored process [2024-11-13 23:18:59,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:18:59,041 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:18:59,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:18:59,080 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-13 23:18:59,080 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:18:59,299 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 14 proven. 2 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2024-11-13 23:18:59,302 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (298)] Ended with exit code 0 [2024-11-13 23:18:59,303 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:18:59,304 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 21 states and 31 transitions. [2024-11-13 23:18:59,304 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 31 transitions. [2024-11-13 23:18:59,304 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-13 23:18:59,304 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:18:59,304 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:18:59,304 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:18:59,305 INFO L229 MonitoredProcess]: Starting monitored process 299 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:18:59,307 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (299)] Waiting until timeout for monitored process [2024-11-13 23:18:59,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:18:59,544 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:18:59,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:18:59,575 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-13 23:18:59,576 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:18:59,843 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-13 23:18:59,846 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (299)] Ended with exit code 0 [2024-11-13 23:18:59,849 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:18:59,849 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 21 states and 31 transitions. [2024-11-13 23:18:59,849 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 31 transitions. [2024-11-13 23:18:59,849 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-13 23:18:59,849 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:18:59,849 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:18:59,849 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:18:59,851 INFO L229 MonitoredProcess]: Starting monitored process 300 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:18:59,852 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (300)] Waiting until timeout for monitored process [2024-11-13 23:19:00,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:19:00,085 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:19:00,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:19:00,135 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-13 23:19:00,136 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:19:00,374 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-13 23:19:00,376 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (300)] Forceful destruction successful, exit code 0 [2024-11-13 23:19:00,378 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:19:00,378 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 21 states and 31 transitions. [2024-11-13 23:19:00,378 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 31 transitions. [2024-11-13 23:19:00,378 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-13 23:19:00,378 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:19:00,378 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:19:00,379 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:19:00,380 INFO L229 MonitoredProcess]: Starting monitored process 301 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:19:00,381 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (301)] Waiting until timeout for monitored process [2024-11-13 23:19:00,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:19:00,608 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:19:00,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:19:00,642 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-13 23:19:00,642 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:19:00,971 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 14 proven. 2 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2024-11-13 23:19:00,973 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (301)] Forceful destruction successful, exit code 0 [2024-11-13 23:19:00,975 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:19:00,975 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 21 states and 31 transitions. [2024-11-13 23:19:00,975 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 31 transitions. [2024-11-13 23:19:00,975 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-13 23:19:00,975 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:19:00,975 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:19:00,975 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:19:00,977 INFO L229 MonitoredProcess]: Starting monitored process 302 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:19:00,978 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (302)] Waiting until timeout for monitored process [2024-11-13 23:19:01,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:19:01,298 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:19:01,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:19:01,329 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-13 23:19:01,330 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:19:01,766 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-13 23:19:01,771 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (302)] Ended with exit code 0 [2024-11-13 23:19:01,774 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:19:01,774 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 21 states and 31 transitions. [2024-11-13 23:19:01,774 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 31 transitions. [2024-11-13 23:19:01,774 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-13 23:19:01,774 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:19:01,774 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:19:01,774 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:19:01,778 INFO L229 MonitoredProcess]: Starting monitored process 303 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:19:01,779 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (303)] Waiting until timeout for monitored process [2024-11-13 23:19:02,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:19:02,049 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:19:02,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:19:02,138 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-13 23:19:02,139 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:19:02,475 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-13 23:19:02,477 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (303)] Ended with exit code 0 [2024-11-13 23:19:02,480 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:19:02,480 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 21 states and 31 transitions. [2024-11-13 23:19:02,480 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 31 transitions. [2024-11-13 23:19:02,480 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-13 23:19:02,480 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:19:02,480 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:19:02,480 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:19:02,482 INFO L229 MonitoredProcess]: Starting monitored process 304 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:19:02,483 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (304)] Waiting until timeout for monitored process [2024-11-13 23:19:02,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:19:02,750 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:19:02,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:19:02,801 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-13 23:19:02,802 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:19:03,073 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-13 23:19:03,076 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (304)] Ended with exit code 0 [2024-11-13 23:19:03,078 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:19:03,078 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 21 states and 31 transitions. [2024-11-13 23:19:03,078 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 31 transitions. [2024-11-13 23:19:03,078 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-13 23:19:03,078 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:19:03,079 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:19:03,079 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:19:03,080 INFO L229 MonitoredProcess]: Starting monitored process 305 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:19:03,081 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (305)] Waiting until timeout for monitored process [2024-11-13 23:19:03,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:19:03,333 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:19:03,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:19:03,365 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-13 23:19:03,366 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:19:03,642 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-13 23:19:03,646 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (305)] Ended with exit code 0 [2024-11-13 23:19:03,648 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:19:03,648 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 21 states and 31 transitions. [2024-11-13 23:19:03,648 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 31 transitions. [2024-11-13 23:19:03,648 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-13 23:19:03,648 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:19:03,648 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:19:03,648 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:19:03,650 INFO L229 MonitoredProcess]: Starting monitored process 306 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:19:03,651 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (306)] Waiting until timeout for monitored process [2024-11-13 23:19:03,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:19:03,890 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:19:03,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:19:03,946 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-13 23:19:03,947 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:19:04,171 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 14 proven. 2 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2024-11-13 23:19:04,174 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (306)] Ended with exit code 0 [2024-11-13 23:19:04,176 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:19:04,176 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 21 states and 31 transitions. [2024-11-13 23:19:04,176 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 31 transitions. [2024-11-13 23:19:04,176 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-13 23:19:04,176 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:19:04,176 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:19:04,176 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:19:04,178 INFO L229 MonitoredProcess]: Starting monitored process 307 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:19:04,179 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (307)] Waiting until timeout for monitored process [2024-11-13 23:19:04,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:19:04,421 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:19:04,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:19:04,452 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-13 23:19:04,452 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:19:04,730 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-13 23:19:04,733 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (307)] Ended with exit code 0 [2024-11-13 23:19:04,736 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:19:04,736 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 21 states and 31 transitions. [2024-11-13 23:19:04,736 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 31 transitions. [2024-11-13 23:19:04,736 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-13 23:19:04,736 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:19:04,736 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:19:04,737 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:19:04,739 INFO L229 MonitoredProcess]: Starting monitored process 308 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:19:04,741 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (308)] Waiting until timeout for monitored process [2024-11-13 23:19:05,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:19:05,009 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:19:05,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:19:05,052 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-13 23:19:05,052 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:19:05,340 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-13 23:19:05,343 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (308)] Forceful destruction successful, exit code 0 [2024-11-13 23:19:05,344 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:19:05,345 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 21 states and 31 transitions. [2024-11-13 23:19:05,345 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 31 transitions. [2024-11-13 23:19:05,345 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-13 23:19:05,345 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:19:05,345 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:19:05,345 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:19:05,346 INFO L229 MonitoredProcess]: Starting monitored process 309 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:19:05,347 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (309)] Waiting until timeout for monitored process [2024-11-13 23:19:05,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:19:05,605 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:19:05,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:19:05,653 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-13 23:19:05,654 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:19:05,916 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 14 proven. 2 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2024-11-13 23:19:05,919 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (309)] Ended with exit code 0 [2024-11-13 23:19:05,921 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:19:05,921 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 21 states and 31 transitions. [2024-11-13 23:19:05,921 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 31 transitions. [2024-11-13 23:19:05,921 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-13 23:19:05,921 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:19:05,921 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:19:05,921 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:19:05,923 INFO L229 MonitoredProcess]: Starting monitored process 310 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:19:05,924 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (310)] Waiting until timeout for monitored process [2024-11-13 23:19:06,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:19:06,165 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:19:06,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:19:06,199 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-13 23:19:06,200 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:19:06,483 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-13 23:19:06,486 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (310)] Forceful destruction successful, exit code 0 [2024-11-13 23:19:06,487 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:19:06,487 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 21 states and 31 transitions. [2024-11-13 23:19:06,487 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 31 transitions. [2024-11-13 23:19:06,488 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-13 23:19:06,488 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:19:06,488 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:19:06,488 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:19:06,489 INFO L229 MonitoredProcess]: Starting monitored process 311 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:19:06,490 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (311)] Waiting until timeout for monitored process [2024-11-13 23:19:06,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:19:06,728 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:19:06,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:19:06,761 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-13 23:19:06,761 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:19:07,012 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-13 23:19:07,015 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (311)] Ended with exit code 0 [2024-11-13 23:19:07,016 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:19:07,016 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 21 states and 31 transitions. [2024-11-13 23:19:07,016 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 31 transitions. [2024-11-13 23:19:07,017 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-13 23:19:07,017 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:19:07,017 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:19:07,017 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:19:07,018 INFO L229 MonitoredProcess]: Starting monitored process 312 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:19:07,019 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (312)] Waiting until timeout for monitored process [2024-11-13 23:19:07,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:19:07,248 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:19:07,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:19:07,285 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-13 23:19:07,286 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:19:07,514 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 14 proven. 2 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2024-11-13 23:19:07,516 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (312)] Forceful destruction successful, exit code 0 [2024-11-13 23:19:07,518 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:19:07,518 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 21 states and 31 transitions. [2024-11-13 23:19:07,518 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 31 transitions. [2024-11-13 23:19:07,519 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-13 23:19:07,519 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:19:07,519 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:19:07,519 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:19:07,521 INFO L229 MonitoredProcess]: Starting monitored process 313 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:19:07,524 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (313)] Waiting until timeout for monitored process [2024-11-13 23:19:07,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:19:07,741 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:19:07,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:19:07,782 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-13 23:19:07,783 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:19:08,050 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-13 23:19:08,052 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (313)] Ended with exit code 0 [2024-11-13 23:19:08,055 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:19:08,055 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 21 states and 31 transitions. [2024-11-13 23:19:08,055 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 31 transitions. [2024-11-13 23:19:08,055 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-13 23:19:08,055 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:19:08,055 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:19:08,055 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:19:08,057 INFO L229 MonitoredProcess]: Starting monitored process 314 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:19:08,058 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (314)] Waiting until timeout for monitored process [2024-11-13 23:19:08,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:19:08,351 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:19:08,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:19:08,384 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-13 23:19:08,385 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:19:08,649 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-13 23:19:08,652 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (314)] Forceful destruction successful, exit code 0 [2024-11-13 23:19:08,653 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:19:08,653 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 21 states and 31 transitions. [2024-11-13 23:19:08,653 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 31 transitions. [2024-11-13 23:19:08,654 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-13 23:19:08,654 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:19:08,654 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:19:08,654 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:19:08,655 INFO L229 MonitoredProcess]: Starting monitored process 315 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:19:08,656 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (315)] Waiting until timeout for monitored process [2024-11-13 23:19:08,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:19:08,891 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:19:08,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:19:08,932 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-13 23:19:08,933 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:19:09,210 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-13 23:19:09,213 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (315)] Ended with exit code 0 [2024-11-13 23:19:09,216 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:19:09,216 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 21 states and 31 transitions. [2024-11-13 23:19:09,216 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 31 transitions. [2024-11-13 23:19:09,216 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-13 23:19:09,217 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:19:09,217 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:19:09,217 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:19:09,218 INFO L229 MonitoredProcess]: Starting monitored process 316 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:19:09,219 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (316)] Waiting until timeout for monitored process [2024-11-13 23:19:09,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:19:09,476 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:19:09,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:19:09,510 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-13 23:19:09,510 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:19:09,761 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 14 proven. 2 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2024-11-13 23:19:09,763 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (316)] Ended with exit code 0 [2024-11-13 23:19:09,765 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:19:09,765 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 21 states and 31 transitions. [2024-11-13 23:19:09,765 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 31 transitions. [2024-11-13 23:19:09,765 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-13 23:19:09,765 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:19:09,765 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:19:09,765 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:19:09,767 INFO L229 MonitoredProcess]: Starting monitored process 317 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:19:09,768 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (317)] Waiting until timeout for monitored process [2024-11-13 23:19:10,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:19:10,000 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:19:10,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:19:10,054 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-13 23:19:10,055 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:19:10,375 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-13 23:19:10,377 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (317)] Ended with exit code 0 [2024-11-13 23:19:10,379 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:19:10,379 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 21 states and 31 transitions. [2024-11-13 23:19:10,379 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 31 transitions. [2024-11-13 23:19:10,379 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-13 23:19:10,379 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:19:10,379 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:19:10,379 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:19:10,381 INFO L229 MonitoredProcess]: Starting monitored process 318 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:19:10,382 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (318)] Waiting until timeout for monitored process [2024-11-13 23:19:10,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:19:10,626 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:19:10,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:19:10,702 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-13 23:19:10,703 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:19:11,149 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-13 23:19:11,152 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (318)] Ended with exit code 0 [2024-11-13 23:19:11,154 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:19:11,154 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 21 states and 31 transitions. [2024-11-13 23:19:11,155 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 31 transitions. [2024-11-13 23:19:11,155 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-13 23:19:11,155 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:19:11,155 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:19:11,155 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:19:11,156 INFO L229 MonitoredProcess]: Starting monitored process 319 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:19:11,157 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (319)] Waiting until timeout for monitored process [2024-11-13 23:19:11,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:19:11,484 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:19:11,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:19:11,556 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-13 23:19:11,557 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:19:11,822 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-13 23:19:11,825 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (319)] Ended with exit code 0 [2024-11-13 23:19:11,827 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:19:11,827 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 21 states and 31 transitions. [2024-11-13 23:19:11,827 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 31 transitions. [2024-11-13 23:19:11,827 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-13 23:19:11,827 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:19:11,827 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:19:11,828 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:19:11,829 INFO L229 MonitoredProcess]: Starting monitored process 320 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:19:11,830 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (320)] Waiting until timeout for monitored process [2024-11-13 23:19:12,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:19:12,064 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:19:12,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:19:12,137 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-13 23:19:12,138 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:19:12,398 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-13 23:19:12,401 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (320)] Ended with exit code 0 [2024-11-13 23:19:12,402 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:19:12,402 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 21 states and 31 transitions. [2024-11-13 23:19:12,403 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 31 transitions. [2024-11-13 23:19:12,403 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-13 23:19:12,403 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:19:12,403 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:19:12,403 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:19:12,404 INFO L229 MonitoredProcess]: Starting monitored process 321 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:19:12,405 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (321)] Waiting until timeout for monitored process [2024-11-13 23:19:12,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:19:12,648 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:19:12,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:19:12,709 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-13 23:19:12,710 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:19:12,987 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-13 23:19:12,989 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (321)] Ended with exit code 0 [2024-11-13 23:19:12,991 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:19:12,991 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 21 states and 31 transitions. [2024-11-13 23:19:12,992 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 31 transitions. [2024-11-13 23:19:12,992 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-13 23:19:12,992 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:19:12,992 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:19:12,992 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:19:12,994 INFO L229 MonitoredProcess]: Starting monitored process 322 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:19:12,998 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (322)] Waiting until timeout for monitored process [2024-11-13 23:19:13,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:19:13,255 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:19:13,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:19:13,294 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-13 23:19:13,295 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:19:13,606 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-13 23:19:13,609 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (322)] Ended with exit code 0 [2024-11-13 23:19:13,611 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:19:13,611 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 21 states and 31 transitions. [2024-11-13 23:19:13,611 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 31 transitions. [2024-11-13 23:19:13,612 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-13 23:19:13,612 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:19:13,612 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:19:13,612 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:19:13,613 INFO L229 MonitoredProcess]: Starting monitored process 323 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:19:13,614 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (323)] Waiting until timeout for monitored process [2024-11-13 23:19:13,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:19:13,852 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:19:13,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:19:13,881 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-13 23:19:13,881 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:19:14,169 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-13 23:19:14,172 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (323)] Forceful destruction successful, exit code 0 [2024-11-13 23:19:14,174 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:19:14,174 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 21 states and 31 transitions. [2024-11-13 23:19:14,174 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 31 transitions. [2024-11-13 23:19:14,174 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-13 23:19:14,174 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:19:14,175 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:19:14,175 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:19:14,176 INFO L229 MonitoredProcess]: Starting monitored process 324 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:19:14,177 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (324)] Waiting until timeout for monitored process [2024-11-13 23:19:14,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:19:14,468 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:19:14,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:19:14,537 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-13 23:19:14,538 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:19:14,951 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-13 23:19:14,955 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (324)] Ended with exit code 0 [2024-11-13 23:19:14,957 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:19:14,957 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 21 states and 31 transitions. [2024-11-13 23:19:14,958 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 31 transitions. [2024-11-13 23:19:14,958 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-13 23:19:14,958 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:19:14,958 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:19:14,958 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:19:14,961 INFO L229 MonitoredProcess]: Starting monitored process 325 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:19:14,962 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (325)] Waiting until timeout for monitored process [2024-11-13 23:19:15,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:19:15,361 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:19:15,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:19:15,444 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-13 23:19:15,445 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:19:15,920 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-13 23:19:15,925 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (325)] Ended with exit code 0 [2024-11-13 23:19:15,927 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:19:15,928 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 21 states and 31 transitions. [2024-11-13 23:19:15,928 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 31 transitions. [2024-11-13 23:19:15,928 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-13 23:19:15,928 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:19:15,928 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:19:15,928 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:19:15,930 INFO L229 MonitoredProcess]: Starting monitored process 326 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:19:15,933 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (326)] Waiting until timeout for monitored process [2024-11-13 23:19:16,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:19:16,318 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:19:16,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:19:16,405 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-13 23:19:16,406 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:19:16,845 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-13 23:19:16,848 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (326)] Ended with exit code 0 [2024-11-13 23:19:16,850 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:19:16,850 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 21 states and 31 transitions. [2024-11-13 23:19:16,850 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 31 transitions. [2024-11-13 23:19:16,850 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-13 23:19:16,850 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:19:16,850 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:19:16,850 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:19:16,852 INFO L229 MonitoredProcess]: Starting monitored process 327 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:19:16,853 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (327)] Waiting until timeout for monitored process [2024-11-13 23:19:17,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:19:17,095 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:19:17,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:19:17,126 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-13 23:19:17,126 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:19:17,392 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-13 23:19:17,394 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (327)] Ended with exit code 0 [2024-11-13 23:19:17,396 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:19:17,396 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 21 states and 31 transitions. [2024-11-13 23:19:17,396 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 31 transitions. [2024-11-13 23:19:17,396 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-13 23:19:17,396 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:19:17,397 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:19:17,397 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:19:17,398 INFO L229 MonitoredProcess]: Starting monitored process 328 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:19:17,399 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (328)] Waiting until timeout for monitored process [2024-11-13 23:19:17,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:19:17,641 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:19:17,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:19:17,678 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-13 23:19:17,678 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:19:17,917 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 14 proven. 2 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2024-11-13 23:19:17,920 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (328)] Ended with exit code 0 [2024-11-13 23:19:17,921 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:19:17,922 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 21 states and 31 transitions. [2024-11-13 23:19:17,922 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 31 transitions. [2024-11-13 23:19:17,922 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-13 23:19:17,922 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:19:17,922 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:19:17,922 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:19:17,923 INFO L229 MonitoredProcess]: Starting monitored process 329 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:19:17,924 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (329)] Waiting until timeout for monitored process [2024-11-13 23:19:18,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:19:18,166 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:19:18,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:19:18,232 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-13 23:19:18,233 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:19:18,602 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-13 23:19:18,605 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (329)] Forceful destruction successful, exit code 0 [2024-11-13 23:19:18,607 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:19:18,607 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 21 states and 31 transitions. [2024-11-13 23:19:18,607 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 31 transitions. [2024-11-13 23:19:18,607 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-13 23:19:18,607 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:19:18,607 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:19:18,607 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:19:18,609 INFO L229 MonitoredProcess]: Starting monitored process 330 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:19:18,610 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (330)] Waiting until timeout for monitored process [2024-11-13 23:19:18,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:19:18,888 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:19:18,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:19:18,959 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-13 23:19:18,960 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:19:19,264 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-13 23:19:19,267 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (330)] Forceful destruction successful, exit code 0 [2024-11-13 23:19:19,269 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:19:19,270 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 21 states and 31 transitions. [2024-11-13 23:19:19,270 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 31 transitions. [2024-11-13 23:19:19,270 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-13 23:19:19,270 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:19:19,270 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:19:19,270 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:19:19,271 INFO L229 MonitoredProcess]: Starting monitored process 331 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:19:19,272 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (331)] Waiting until timeout for monitored process [2024-11-13 23:19:19,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:19:19,531 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:19:19,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:19:19,618 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-13 23:19:19,619 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:19:20,032 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-13 23:19:20,036 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (331)] Ended with exit code 0 [2024-11-13 23:19:20,039 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:19:20,039 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 21 states and 31 transitions. [2024-11-13 23:19:20,039 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 31 transitions. [2024-11-13 23:19:20,039 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-13 23:19:20,039 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:19:20,039 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:19:20,039 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:19:20,043 INFO L229 MonitoredProcess]: Starting monitored process 332 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:19:20,044 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (332)] Waiting until timeout for monitored process [2024-11-13 23:19:20,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:19:20,302 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:19:20,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:19:20,336 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-13 23:19:20,337 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:19:20,606 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-13 23:19:20,609 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (332)] Ended with exit code 0 [2024-11-13 23:19:20,611 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:19:20,611 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 21 states and 31 transitions. [2024-11-13 23:19:20,611 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 31 transitions. [2024-11-13 23:19:20,611 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-13 23:19:20,611 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:19:20,611 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:19:20,611 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:19:20,613 INFO L229 MonitoredProcess]: Starting monitored process 333 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:19:20,614 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (333)] Waiting until timeout for monitored process [2024-11-13 23:19:20,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:19:20,875 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:19:20,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:19:20,904 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-13 23:19:20,905 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:19:21,184 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-13 23:19:21,186 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (333)] Ended with exit code 0 [2024-11-13 23:19:21,188 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:19:21,188 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 21 states and 31 transitions. [2024-11-13 23:19:21,188 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 31 transitions. [2024-11-13 23:19:21,188 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-13 23:19:21,188 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:19:21,188 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:19:21,188 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:19:21,190 INFO L229 MonitoredProcess]: Starting monitored process 334 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:19:21,191 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (334)] Waiting until timeout for monitored process [2024-11-13 23:19:21,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:19:21,421 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:19:21,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:19:21,458 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-13 23:19:21,459 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:19:21,725 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-13 23:19:21,728 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (334)] Ended with exit code 0 [2024-11-13 23:19:21,730 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:19:21,730 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 21 states and 31 transitions. [2024-11-13 23:19:21,730 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 31 transitions. [2024-11-13 23:19:21,730 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-13 23:19:21,730 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:19:21,730 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:19:21,730 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:19:21,732 INFO L229 MonitoredProcess]: Starting monitored process 335 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:19:21,733 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (335)] Waiting until timeout for monitored process [2024-11-13 23:19:22,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:19:22,027 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:19:22,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:19:22,061 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-13 23:19:22,061 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:19:22,372 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-13 23:19:22,375 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (335)] Ended with exit code 0 [2024-11-13 23:19:22,377 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:19:22,377 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 21 states and 31 transitions. [2024-11-13 23:19:22,377 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 31 transitions. [2024-11-13 23:19:22,377 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-13 23:19:22,377 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:19:22,377 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:19:22,377 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:19:22,379 INFO L229 MonitoredProcess]: Starting monitored process 336 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:19:22,380 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (336)] Waiting until timeout for monitored process [2024-11-13 23:19:22,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:19:22,695 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:19:22,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:19:22,728 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-13 23:19:22,729 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:19:22,999 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-13 23:19:23,002 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (336)] Ended with exit code 0 [2024-11-13 23:19:23,004 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:19:23,004 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 21 states and 31 transitions. [2024-11-13 23:19:23,004 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 31 transitions. [2024-11-13 23:19:23,004 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-13 23:19:23,004 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:19:23,005 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:19:23,005 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:19:23,006 INFO L229 MonitoredProcess]: Starting monitored process 337 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:19:23,008 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (337)] Waiting until timeout for monitored process [2024-11-13 23:19:23,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:19:23,250 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:19:23,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:19:23,322 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-13 23:19:23,323 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:19:23,695 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-13 23:19:23,698 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (337)] Ended with exit code 0 [2024-11-13 23:19:23,700 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:19:23,701 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 21 states and 31 transitions. [2024-11-13 23:19:23,701 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 31 transitions. [2024-11-13 23:19:23,701 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-13 23:19:23,701 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:19:23,701 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:19:23,701 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:19:23,703 INFO L229 MonitoredProcess]: Starting monitored process 338 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:19:23,705 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (338)] Waiting until timeout for monitored process [2024-11-13 23:19:24,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:19:24,013 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:19:24,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:19:24,045 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-13 23:19:24,045 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:19:24,321 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-13 23:19:24,324 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (338)] Ended with exit code 0 [2024-11-13 23:19:24,326 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:19:24,326 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 21 states and 31 transitions. [2024-11-13 23:19:24,326 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 31 transitions. [2024-11-13 23:19:24,326 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-13 23:19:24,326 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:19:24,326 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:19:24,326 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:19:24,328 INFO L229 MonitoredProcess]: Starting monitored process 339 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:19:24,329 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (339)] Waiting until timeout for monitored process [2024-11-13 23:19:24,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:19:24,581 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:19:24,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:19:24,629 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-13 23:19:24,630 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:19:24,960 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-13 23:19:24,963 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (339)] Ended with exit code 0 [2024-11-13 23:19:24,964 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:19:24,965 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 21 states and 31 transitions. [2024-11-13 23:19:24,965 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 31 transitions. [2024-11-13 23:19:24,965 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-13 23:19:24,965 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:19:24,965 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:19:24,965 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:19:24,967 INFO L229 MonitoredProcess]: Starting monitored process 340 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:19:24,967 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (340)] Waiting until timeout for monitored process [2024-11-13 23:19:25,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:19:25,216 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:19:25,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:19:25,258 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-13 23:19:25,259 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:19:25,497 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 14 proven. 2 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2024-11-13 23:19:25,500 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (340)] Forceful destruction successful, exit code 0 [2024-11-13 23:19:25,502 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:19:25,502 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 21 states and 31 transitions. [2024-11-13 23:19:25,502 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 31 transitions. [2024-11-13 23:19:25,503 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-13 23:19:25,503 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:19:25,503 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:19:25,503 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:19:25,504 INFO L229 MonitoredProcess]: Starting monitored process 341 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:19:25,505 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (341)] Waiting until timeout for monitored process [2024-11-13 23:19:25,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:19:25,755 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:19:25,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:19:25,792 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-13 23:19:25,793 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:19:26,038 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 14 proven. 2 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2024-11-13 23:19:26,041 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (341)] Ended with exit code 0 [2024-11-13 23:19:26,043 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:19:26,043 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 21 states and 31 transitions. [2024-11-13 23:19:26,043 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 31 transitions. [2024-11-13 23:19:26,043 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-13 23:19:26,043 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:19:26,043 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:19:26,043 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:19:26,045 INFO L229 MonitoredProcess]: Starting monitored process 342 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:19:26,046 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (342)] Waiting until timeout for monitored process [2024-11-13 23:19:26,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:19:26,295 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:19:26,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:19:26,327 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-13 23:19:26,328 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:19:26,612 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-13 23:19:26,615 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (342)] Forceful destruction successful, exit code 0 [2024-11-13 23:19:26,617 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:19:26,617 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 21 states and 31 transitions. [2024-11-13 23:19:26,617 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 31 transitions. [2024-11-13 23:19:26,617 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-13 23:19:26,617 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:19:26,617 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:19:26,617 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:19:26,619 INFO L229 MonitoredProcess]: Starting monitored process 343 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:19:26,620 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (343)] Waiting until timeout for monitored process [2024-11-13 23:19:26,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:19:26,880 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:19:26,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:19:26,912 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-13 23:19:26,912 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:19:27,197 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-13 23:19:27,200 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (343)] Ended with exit code 0 [2024-11-13 23:19:27,201 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:19:27,201 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 21 states and 31 transitions. [2024-11-13 23:19:27,201 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 31 transitions. [2024-11-13 23:19:27,202 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-13 23:19:27,202 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:19:27,202 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:19:27,202 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:19:27,203 INFO L229 MonitoredProcess]: Starting monitored process 344 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:19:27,204 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (344)] Waiting until timeout for monitored process [2024-11-13 23:19:27,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:19:27,459 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:19:27,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:19:27,539 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-13 23:19:27,540 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:19:27,821 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-13 23:19:27,824 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (344)] Ended with exit code 0 [2024-11-13 23:19:27,827 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:19:27,827 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 21 states and 31 transitions. [2024-11-13 23:19:27,827 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 31 transitions. [2024-11-13 23:19:27,827 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-13 23:19:27,827 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:19:27,827 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:19:27,827 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:19:27,829 INFO L229 MonitoredProcess]: Starting monitored process 345 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:19:27,830 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (345)] Waiting until timeout for monitored process [2024-11-13 23:19:28,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:19:28,176 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:19:28,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:19:28,257 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-13 23:19:28,258 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:19:28,598 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-13 23:19:28,601 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (345)] Ended with exit code 0 [2024-11-13 23:19:28,602 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:19:28,603 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 21 states and 31 transitions. [2024-11-13 23:19:28,603 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 31 transitions. [2024-11-13 23:19:28,603 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-13 23:19:28,603 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:19:28,603 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:19:28,603 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:19:28,607 INFO L229 MonitoredProcess]: Starting monitored process 346 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:19:28,608 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (346)] Waiting until timeout for monitored process [2024-11-13 23:19:28,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:19:28,925 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:19:28,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:19:28,976 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-13 23:19:28,977 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:19:29,286 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 14 proven. 2 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2024-11-13 23:19:29,289 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (346)] Ended with exit code 0 [2024-11-13 23:19:29,292 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:19:29,292 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 21 states and 31 transitions. [2024-11-13 23:19:29,292 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 31 transitions. [2024-11-13 23:19:29,292 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-13 23:19:29,293 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:19:29,293 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:19:29,293 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:19:29,295 INFO L229 MonitoredProcess]: Starting monitored process 347 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:19:29,298 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (347)] Waiting until timeout for monitored process [2024-11-13 23:19:29,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:19:29,666 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:19:29,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:19:29,759 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-13 23:19:29,760 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:19:30,173 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-13 23:19:30,176 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (347)] Ended with exit code 0 [2024-11-13 23:19:30,178 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:19:30,178 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 21 states and 31 transitions. [2024-11-13 23:19:30,178 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 31 transitions. [2024-11-13 23:19:30,178 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-13 23:19:30,178 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:19:30,178 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:19:30,178 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:19:30,180 INFO L229 MonitoredProcess]: Starting monitored process 348 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:19:30,183 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (348)] Waiting until timeout for monitored process [2024-11-13 23:19:30,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:19:30,463 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:19:30,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:19:30,540 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-13 23:19:30,541 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:19:30,872 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-13 23:19:30,875 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (348)] Ended with exit code 0 [2024-11-13 23:19:30,877 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:19:30,877 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 21 states and 31 transitions. [2024-11-13 23:19:30,877 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 31 transitions. [2024-11-13 23:19:30,877 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-13 23:19:30,877 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:19:30,877 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:19:30,878 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:19:30,879 INFO L229 MonitoredProcess]: Starting monitored process 349 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:19:30,880 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (349)] Waiting until timeout for monitored process [2024-11-13 23:19:31,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:19:31,137 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:19:31,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:19:31,198 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-13 23:19:31,199 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:19:31,496 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-13 23:19:31,499 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (349)] Forceful destruction successful, exit code 0 [2024-11-13 23:19:31,501 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:19:31,501 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 21 states and 31 transitions. [2024-11-13 23:19:31,501 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 31 transitions. [2024-11-13 23:19:31,501 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-13 23:19:31,501 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:19:31,501 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:19:31,501 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:19:31,503 INFO L229 MonitoredProcess]: Starting monitored process 350 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:19:31,504 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (350)] Waiting until timeout for monitored process [2024-11-13 23:19:31,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:19:31,824 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:19:31,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:19:31,862 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-13 23:19:31,863 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:19:32,121 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 14 proven. 2 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2024-11-13 23:19:32,124 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (350)] Forceful destruction successful, exit code 0 [2024-11-13 23:19:32,127 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:19:32,127 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 21 states and 31 transitions. [2024-11-13 23:19:32,127 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 31 transitions. [2024-11-13 23:19:32,127 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-13 23:19:32,127 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:19:32,127 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:19:32,127 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:19:32,129 INFO L229 MonitoredProcess]: Starting monitored process 351 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:19:32,130 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (351)] Waiting until timeout for monitored process [2024-11-13 23:19:32,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:19:32,405 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:19:32,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:19:32,442 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-13 23:19:32,442 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:19:32,741 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-13 23:19:32,744 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (351)] Ended with exit code 0 [2024-11-13 23:19:32,746 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:19:32,746 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 21 states and 31 transitions. [2024-11-13 23:19:32,746 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 31 transitions. [2024-11-13 23:19:32,746 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-13 23:19:32,746 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:19:32,747 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:19:32,747 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:19:32,748 INFO L229 MonitoredProcess]: Starting monitored process 352 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:19:32,749 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (352)] Waiting until timeout for monitored process [2024-11-13 23:19:33,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:19:33,022 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:19:33,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:19:33,068 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-13 23:19:33,069 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:19:33,382 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-13 23:19:33,385 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (352)] Ended with exit code 0 [2024-11-13 23:19:33,387 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:19:33,387 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 21 states and 31 transitions. [2024-11-13 23:19:33,387 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 31 transitions. [2024-11-13 23:19:33,387 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-13 23:19:33,387 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:19:33,388 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:19:33,388 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:19:33,391 INFO L229 MonitoredProcess]: Starting monitored process 353 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:19:33,392 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (353)] Waiting until timeout for monitored process [2024-11-13 23:19:33,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:19:33,645 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:19:33,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:19:33,678 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-13 23:19:33,679 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:19:34,041 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-13 23:19:34,045 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (353)] Ended with exit code 0 [2024-11-13 23:19:34,046 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:19:34,046 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 21 states and 31 transitions. [2024-11-13 23:19:34,046 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 31 transitions. [2024-11-13 23:19:34,047 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-13 23:19:34,047 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:19:34,047 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:19:34,047 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:19:34,048 INFO L229 MonitoredProcess]: Starting monitored process 354 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:19:34,049 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (354)] Waiting until timeout for monitored process [2024-11-13 23:19:34,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:19:34,292 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:19:34,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:19:34,329 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-13 23:19:34,329 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:19:34,626 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-13 23:19:34,629 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (354)] Ended with exit code 0 [2024-11-13 23:19:34,631 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:19:34,632 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 21 states and 31 transitions. [2024-11-13 23:19:34,632 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 31 transitions. [2024-11-13 23:19:34,632 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-13 23:19:34,632 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:19:34,632 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:19:34,632 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:19:34,634 INFO L229 MonitoredProcess]: Starting monitored process 355 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:19:34,635 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (355)] Waiting until timeout for monitored process [2024-11-13 23:19:34,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:19:34,964 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:19:34,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:19:35,004 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-13 23:19:35,004 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:19:35,274 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 14 proven. 2 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2024-11-13 23:19:35,277 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (355)] Ended with exit code 0 [2024-11-13 23:19:35,279 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:19:35,279 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 21 states and 31 transitions. [2024-11-13 23:19:35,279 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 31 transitions. [2024-11-13 23:19:35,279 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-13 23:19:35,279 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:19:35,279 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:19:35,280 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:19:35,281 INFO L229 MonitoredProcess]: Starting monitored process 356 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:19:35,282 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (356)] Waiting until timeout for monitored process [2024-11-13 23:19:35,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:19:35,531 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:19:35,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:19:35,584 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-13 23:19:35,585 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:19:35,923 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-13 23:19:35,926 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (356)] Forceful destruction successful, exit code 0 [2024-11-13 23:19:35,929 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:19:35,929 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 21 states and 31 transitions. [2024-11-13 23:19:35,929 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 31 transitions. [2024-11-13 23:19:35,929 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-13 23:19:35,929 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:19:35,930 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:19:35,930 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:19:35,931 INFO L229 MonitoredProcess]: Starting monitored process 357 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:19:35,933 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (357)] Waiting until timeout for monitored process [2024-11-13 23:19:36,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:19:36,281 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:19:36,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:19:36,320 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-13 23:19:36,320 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:19:36,605 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-13 23:19:36,608 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (357)] Ended with exit code 0 [2024-11-13 23:19:36,609 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:19:36,610 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 21 states and 31 transitions. [2024-11-13 23:19:36,610 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 31 transitions. [2024-11-13 23:19:36,610 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-13 23:19:36,610 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:19:36,610 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:19:36,610 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:19:36,611 INFO L229 MonitoredProcess]: Starting monitored process 358 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:19:36,612 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (358)] Waiting until timeout for monitored process [2024-11-13 23:19:36,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:19:36,907 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:19:36,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:19:36,950 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-13 23:19:36,951 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:19:37,238 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-13 23:19:37,241 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (358)] Forceful destruction successful, exit code 0 [2024-11-13 23:19:37,243 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:19:37,244 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 21 states and 31 transitions. [2024-11-13 23:19:37,244 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 31 transitions. [2024-11-13 23:19:37,244 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-13 23:19:37,244 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:19:37,244 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:19:37,244 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:19:37,246 INFO L229 MonitoredProcess]: Starting monitored process 359 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:19:37,247 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (359)] Waiting until timeout for monitored process [2024-11-13 23:19:37,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:19:37,491 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:19:37,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:19:37,522 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-13 23:19:37,522 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:19:37,889 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-13 23:19:37,893 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (359)] Forceful destruction successful, exit code 0 [2024-11-13 23:19:37,895 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:19:37,896 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 21 states and 31 transitions. [2024-11-13 23:19:37,896 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 31 transitions. [2024-11-13 23:19:37,896 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-13 23:19:37,896 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:19:37,896 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:19:37,896 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:19:37,898 INFO L229 MonitoredProcess]: Starting monitored process 360 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:19:37,899 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (360)] Waiting until timeout for monitored process [2024-11-13 23:19:38,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:19:38,165 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:19:38,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:19:38,198 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-13 23:19:38,198 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:19:38,500 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-13 23:19:38,503 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (360)] Ended with exit code 0 [2024-11-13 23:19:38,505 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:19:38,505 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 21 states and 31 transitions. [2024-11-13 23:19:38,505 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 31 transitions. [2024-11-13 23:19:38,505 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-13 23:19:38,505 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:19:38,505 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:19:38,505 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:19:38,507 INFO L229 MonitoredProcess]: Starting monitored process 361 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:19:38,508 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (361)] Waiting until timeout for monitored process [2024-11-13 23:19:38,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:19:38,747 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:19:38,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:19:38,779 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-13 23:19:38,780 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:19:39,044 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-13 23:19:39,047 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (361)] Ended with exit code 0 [2024-11-13 23:19:39,050 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:19:39,050 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 21 states and 31 transitions. [2024-11-13 23:19:39,050 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 31 transitions. [2024-11-13 23:19:39,050 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-13 23:19:39,050 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:19:39,050 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:19:39,050 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:19:39,052 INFO L229 MonitoredProcess]: Starting monitored process 362 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:19:39,056 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (362)] Waiting until timeout for monitored process [2024-11-13 23:19:39,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:19:39,344 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:19:39,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:19:39,400 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-13 23:19:39,401 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:19:39,847 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-13 23:19:39,850 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (362)] Forceful destruction successful, exit code 0 [2024-11-13 23:19:39,852 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:19:39,853 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 21 states and 31 transitions. [2024-11-13 23:19:39,853 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 31 transitions. [2024-11-13 23:19:39,853 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-13 23:19:39,853 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:19:39,853 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:19:39,853 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:19:39,856 INFO L229 MonitoredProcess]: Starting monitored process 363 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:19:39,858 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (363)] Waiting until timeout for monitored process [2024-11-13 23:19:40,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:19:40,108 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:19:40,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:19:40,142 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-13 23:19:40,143 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:19:40,361 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 14 proven. 2 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2024-11-13 23:19:40,364 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (363)] Ended with exit code 0 [2024-11-13 23:19:40,366 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:19:40,366 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 21 states and 31 transitions. [2024-11-13 23:19:40,366 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 31 transitions. [2024-11-13 23:19:40,366 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-13 23:19:40,366 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:19:40,366 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:19:40,366 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:19:40,368 INFO L229 MonitoredProcess]: Starting monitored process 364 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:19:40,369 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (364)] Waiting until timeout for monitored process [2024-11-13 23:19:40,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:19:40,603 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:19:40,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:19:40,658 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-13 23:19:40,659 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:19:40,931 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-13 23:19:40,934 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (364)] Forceful destruction successful, exit code 0 [2024-11-13 23:19:40,936 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:19:40,936 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 21 states and 31 transitions. [2024-11-13 23:19:40,937 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 31 transitions. [2024-11-13 23:19:40,937 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-13 23:19:40,937 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:19:40,937 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:19:40,937 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:19:40,938 INFO L229 MonitoredProcess]: Starting monitored process 365 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:19:40,939 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (365)] Waiting until timeout for monitored process [2024-11-13 23:19:41,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:19:41,201 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:19:41,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:19:41,243 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-13 23:19:41,243 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:19:41,491 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 14 proven. 2 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2024-11-13 23:19:41,494 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (365)] Ended with exit code 0 [2024-11-13 23:19:41,495 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:19:41,495 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 21 states and 31 transitions. [2024-11-13 23:19:41,496 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 31 transitions. [2024-11-13 23:19:41,496 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-13 23:19:41,496 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:19:41,496 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:19:41,496 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:19:41,497 INFO L229 MonitoredProcess]: Starting monitored process 366 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:19:41,498 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (366)] Waiting until timeout for monitored process [2024-11-13 23:19:41,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:19:41,756 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:19:41,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:19:41,827 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-13 23:19:41,827 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:19:42,157 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-13 23:19:42,160 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (366)] Ended with exit code 0 [2024-11-13 23:19:42,162 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:19:42,162 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 21 states and 31 transitions. [2024-11-13 23:19:42,162 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 31 transitions. [2024-11-13 23:19:42,163 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-13 23:19:42,163 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:19:42,163 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:19:42,163 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:19:42,164 INFO L229 MonitoredProcess]: Starting monitored process 367 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:19:42,166 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (367)] Waiting until timeout for monitored process [2024-11-13 23:19:42,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:19:42,420 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:19:42,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:19:42,452 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-13 23:19:42,452 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:19:42,739 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-13 23:19:42,742 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (367)] Ended with exit code 0 [2024-11-13 23:19:42,744 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:19:42,744 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 21 states and 31 transitions. [2024-11-13 23:19:42,744 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 31 transitions. [2024-11-13 23:19:42,744 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-13 23:19:42,744 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:19:42,744 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:19:42,744 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:19:42,746 INFO L229 MonitoredProcess]: Starting monitored process 368 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:19:42,747 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (368)] Waiting until timeout for monitored process [2024-11-13 23:19:42,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:19:42,996 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:19:43,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:19:43,055 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-13 23:19:43,056 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:19:43,346 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-13 23:19:43,349 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (368)] Ended with exit code 0 [2024-11-13 23:19:43,351 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:19:43,351 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 21 states and 31 transitions. [2024-11-13 23:19:43,351 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 31 transitions. [2024-11-13 23:19:43,351 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-13 23:19:43,351 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:19:43,351 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:19:43,351 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:19:43,353 INFO L229 MonitoredProcess]: Starting monitored process 369 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:19:43,354 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (369)] Waiting until timeout for monitored process [2024-11-13 23:19:43,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:19:43,604 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:19:43,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:19:43,652 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-13 23:19:43,653 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:19:43,953 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-13 23:19:43,956 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (369)] Ended with exit code 0 [2024-11-13 23:19:43,957 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:19:43,958 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 21 states and 31 transitions. [2024-11-13 23:19:43,958 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 31 transitions. [2024-11-13 23:19:43,958 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-13 23:19:43,958 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:19:43,958 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:19:43,958 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:19:43,959 INFO L229 MonitoredProcess]: Starting monitored process 370 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:19:43,961 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (370)] Waiting until timeout for monitored process [2024-11-13 23:19:44,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:19:44,206 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:19:44,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:19:44,261 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-13 23:19:44,262 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:19:44,540 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-13 23:19:44,543 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (370)] Ended with exit code 0 [2024-11-13 23:19:44,545 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:19:44,545 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 21 states and 31 transitions. [2024-11-13 23:19:44,545 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 31 transitions. [2024-11-13 23:19:44,545 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-13 23:19:44,545 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:19:44,545 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:19:44,545 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:19:44,547 INFO L229 MonitoredProcess]: Starting monitored process 371 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:19:44,548 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (371)] Waiting until timeout for monitored process [2024-11-13 23:19:44,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:19:44,823 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:19:44,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:19:44,881 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-13 23:19:44,881 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:19:45,172 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-13 23:19:45,175 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (371)] Ended with exit code 0 [2024-11-13 23:19:45,177 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:19:45,177 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 21 states and 31 transitions. [2024-11-13 23:19:45,177 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 31 transitions. [2024-11-13 23:19:45,177 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-13 23:19:45,177 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:19:45,177 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:19:45,177 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:19:45,179 INFO L229 MonitoredProcess]: Starting monitored process 372 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:19:45,180 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (372)] Waiting until timeout for monitored process [2024-11-13 23:19:45,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:19:45,428 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:19:45,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:19:45,473 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-13 23:19:45,474 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:19:45,775 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-13 23:19:45,778 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (372)] Ended with exit code 0 [2024-11-13 23:19:45,780 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:19:45,780 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 21 states and 31 transitions. [2024-11-13 23:19:45,780 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 31 transitions. [2024-11-13 23:19:45,780 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-13 23:19:45,780 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:19:45,780 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:19:45,780 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:19:45,782 INFO L229 MonitoredProcess]: Starting monitored process 373 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:19:45,783 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (373)] Waiting until timeout for monitored process [2024-11-13 23:19:46,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:19:46,040 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:19:46,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:19:46,086 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-13 23:19:46,087 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:19:46,337 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 14 proven. 2 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2024-11-13 23:19:46,340 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (373)] Ended with exit code 0 [2024-11-13 23:19:46,342 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:19:46,342 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 21 states and 31 transitions. [2024-11-13 23:19:46,343 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 31 transitions. [2024-11-13 23:19:46,343 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-13 23:19:46,343 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:19:46,343 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:19:46,343 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:19:46,344 INFO L229 MonitoredProcess]: Starting monitored process 374 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:19:46,345 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (374)] Waiting until timeout for monitored process [2024-11-13 23:19:46,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:19:46,591 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:19:46,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:19:46,655 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-13 23:19:46,656 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:19:46,997 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-13 23:19:47,000 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (374)] Ended with exit code 0 [2024-11-13 23:19:47,002 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:19:47,002 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 21 states and 31 transitions. [2024-11-13 23:19:47,003 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 31 transitions. [2024-11-13 23:19:47,003 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-13 23:19:47,003 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:19:47,003 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:19:47,003 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:19:47,005 INFO L229 MonitoredProcess]: Starting monitored process 375 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:19:47,006 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (375)] Waiting until timeout for monitored process [2024-11-13 23:19:47,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:19:47,335 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:19:47,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:19:47,367 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-13 23:19:47,368 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:19:47,660 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-13 23:19:47,663 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (375)] Ended with exit code 0 [2024-11-13 23:19:47,664 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:19:47,664 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 21 states and 31 transitions. [2024-11-13 23:19:47,665 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 31 transitions. [2024-11-13 23:19:47,665 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-13 23:19:47,665 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:19:47,665 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:19:47,665 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:19:47,666 INFO L229 MonitoredProcess]: Starting monitored process 376 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:19:47,668 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (376)] Waiting until timeout for monitored process [2024-11-13 23:19:47,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:19:47,931 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:19:48,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:19:48,017 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-13 23:19:48,018 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:19:48,469 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-13 23:19:48,472 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (376)] Ended with exit code 0 WARNING: YOUR LOGFILE WAS TOO LONG, SOME LINES IN THE MIDDLE WERE REMOVED. [2024-11-13 23:27:23,257 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-13 23:27:23,258 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:27:23,374 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-13 23:27:23,377 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1339)] Ended with exit code 0 [2024-11-13 23:27:23,380 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:27:23,380 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 32 states and 50 transitions. [2024-11-13 23:27:23,380 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2024-11-13 23:27:23,381 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-13 23:27:23,381 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:27:23,381 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:27:23,381 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:27:23,382 INFO L229 MonitoredProcess]: Starting monitored process 1340 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:27:23,383 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1340)] Waiting until timeout for monitored process [2024-11-13 23:27:23,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:27:23,622 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:27:23,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:27:23,696 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-13 23:27:23,696 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:27:23,803 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-13 23:27:23,806 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1340)] Ended with exit code 0 [2024-11-13 23:27:23,808 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:27:23,808 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 32 states and 50 transitions. [2024-11-13 23:27:23,808 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2024-11-13 23:27:23,808 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-13 23:27:23,808 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:27:23,808 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:27:23,809 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:27:23,810 INFO L229 MonitoredProcess]: Starting monitored process 1341 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:27:23,811 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1341)] Waiting until timeout for monitored process [2024-11-13 23:27:24,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:27:24,049 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:27:24,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:27:24,108 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-13 23:27:24,109 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:27:24,230 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-13 23:27:24,232 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1341)] Ended with exit code 0 [2024-11-13 23:27:24,235 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:27:24,235 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 32 states and 50 transitions. [2024-11-13 23:27:24,235 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2024-11-13 23:27:24,235 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-13 23:27:24,235 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:27:24,235 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:27:24,235 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:27:24,237 INFO L229 MonitoredProcess]: Starting monitored process 1342 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:27:24,237 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1342)] Waiting until timeout for monitored process [2024-11-13 23:27:24,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:27:24,476 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:27:24,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:27:24,509 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-13 23:27:24,509 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:27:24,660 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-13 23:27:24,664 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1342)] Ended with exit code 0 [2024-11-13 23:27:24,667 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:27:24,667 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 32 states and 50 transitions. [2024-11-13 23:27:24,667 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2024-11-13 23:27:24,668 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-13 23:27:24,668 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:27:24,668 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:27:24,668 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:27:24,670 INFO L229 MonitoredProcess]: Starting monitored process 1343 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:27:24,672 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1343)] Waiting until timeout for monitored process [2024-11-13 23:27:24,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:27:24,917 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:27:24,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:27:24,956 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-13 23:27:24,957 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:27:25,198 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 14 proven. 2 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2024-11-13 23:27:25,201 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1343)] Ended with exit code 0 [2024-11-13 23:27:25,217 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:27:25,217 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 32 states and 50 transitions. [2024-11-13 23:27:25,217 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2024-11-13 23:27:25,217 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-13 23:27:25,217 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:27:25,217 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:27:25,218 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:27:25,219 INFO L229 MonitoredProcess]: Starting monitored process 1344 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:27:25,220 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1344)] Waiting until timeout for monitored process [2024-11-13 23:27:25,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:27:25,514 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:27:25,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:27:25,550 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-13 23:27:25,551 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:27:25,663 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-13 23:27:25,666 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1344)] Ended with exit code 0 [2024-11-13 23:27:25,668 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:27:25,668 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 32 states and 50 transitions. [2024-11-13 23:27:25,668 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2024-11-13 23:27:25,669 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-13 23:27:25,669 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:27:25,669 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:27:25,669 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:27:25,670 INFO L229 MonitoredProcess]: Starting monitored process 1345 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:27:25,671 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1345)] Waiting until timeout for monitored process [2024-11-13 23:27:25,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:27:25,904 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:27:25,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:27:25,937 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-13 23:27:25,938 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:27:26,046 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-13 23:27:26,048 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1345)] Ended with exit code 0 [2024-11-13 23:27:26,050 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:27:26,050 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 32 states and 50 transitions. [2024-11-13 23:27:26,051 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2024-11-13 23:27:26,051 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-13 23:27:26,051 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:27:26,051 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:27:26,051 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:27:26,054 INFO L229 MonitoredProcess]: Starting monitored process 1346 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:27:26,054 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1346)] Waiting until timeout for monitored process [2024-11-13 23:27:26,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:27:26,291 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:27:26,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:27:26,323 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-13 23:27:26,324 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:27:26,447 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-13 23:27:26,450 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1346)] Forceful destruction successful, exit code 0 [2024-11-13 23:27:26,452 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:27:26,452 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 32 states and 50 transitions. [2024-11-13 23:27:26,452 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2024-11-13 23:27:26,452 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-13 23:27:26,453 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:27:26,453 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:27:26,453 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:27:26,454 INFO L229 MonitoredProcess]: Starting monitored process 1347 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:27:26,455 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1347)] Waiting until timeout for monitored process [2024-11-13 23:27:26,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:27:26,689 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:27:26,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:27:26,720 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-13 23:27:26,720 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:27:26,831 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-13 23:27:26,834 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1347)] Ended with exit code 0 [2024-11-13 23:27:26,836 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:27:26,836 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 32 states and 50 transitions. [2024-11-13 23:27:26,836 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2024-11-13 23:27:26,836 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-13 23:27:26,836 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:27:26,836 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:27:26,836 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:27:26,837 INFO L229 MonitoredProcess]: Starting monitored process 1348 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:27:26,839 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1348)] Waiting until timeout for monitored process [2024-11-13 23:27:27,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:27:27,073 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:27:27,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:27:27,105 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-13 23:27:27,106 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:27:27,216 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-13 23:27:27,219 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1348)] Ended with exit code 0 [2024-11-13 23:27:27,221 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:27:27,222 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 32 states and 50 transitions. [2024-11-13 23:27:27,222 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2024-11-13 23:27:27,222 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-13 23:27:27,222 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:27:27,222 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:27:27,222 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:27:27,223 INFO L229 MonitoredProcess]: Starting monitored process 1349 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:27:27,224 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1349)] Waiting until timeout for monitored process [2024-11-13 23:27:27,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:27:27,479 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:27:27,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:27:27,525 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-13 23:27:27,526 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:27:27,642 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-13 23:27:27,645 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1349)] Ended with exit code 0 [2024-11-13 23:27:27,647 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:27:27,647 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 32 states and 50 transitions. [2024-11-13 23:27:27,647 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2024-11-13 23:27:27,647 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-13 23:27:27,647 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:27:27,647 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:27:27,647 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:27:27,649 INFO L229 MonitoredProcess]: Starting monitored process 1350 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:27:27,650 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1350)] Waiting until timeout for monitored process [2024-11-13 23:27:27,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:27:27,891 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:27:27,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:27:27,949 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-13 23:27:27,950 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:27:28,075 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-13 23:27:28,078 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1350)] Ended with exit code 0 [2024-11-13 23:27:28,081 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:27:28,081 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 32 states and 50 transitions. [2024-11-13 23:27:28,081 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2024-11-13 23:27:28,081 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-13 23:27:28,081 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:27:28,081 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:27:28,081 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:27:28,083 INFO L229 MonitoredProcess]: Starting monitored process 1351 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:27:28,084 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1351)] Waiting until timeout for monitored process [2024-11-13 23:27:28,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:27:28,322 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:27:28,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:27:28,355 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-13 23:27:28,356 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:27:28,473 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-13 23:27:28,475 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1351)] Ended with exit code 0 [2024-11-13 23:27:28,478 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:27:28,479 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 32 states and 50 transitions. [2024-11-13 23:27:28,479 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2024-11-13 23:27:28,479 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-13 23:27:28,479 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:27:28,479 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:27:28,479 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:27:28,480 INFO L229 MonitoredProcess]: Starting monitored process 1352 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:27:28,481 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1352)] Waiting until timeout for monitored process [2024-11-13 23:27:28,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:27:28,722 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:27:28,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:27:28,759 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-13 23:27:28,759 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:27:28,991 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 14 proven. 2 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2024-11-13 23:27:28,994 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1352)] Ended with exit code 0 [2024-11-13 23:27:29,009 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:27:29,009 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 32 states and 50 transitions. [2024-11-13 23:27:29,009 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2024-11-13 23:27:29,009 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-13 23:27:29,009 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:27:29,009 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:27:29,009 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:27:29,011 INFO L229 MonitoredProcess]: Starting monitored process 1353 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:27:29,012 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1353)] Waiting until timeout for monitored process [2024-11-13 23:27:29,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:27:29,253 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:27:29,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:27:29,288 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-13 23:27:29,289 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:27:29,401 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-13 23:27:29,404 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1353)] Ended with exit code 0 [2024-11-13 23:27:29,406 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:27:29,406 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 32 states and 50 transitions. [2024-11-13 23:27:29,406 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2024-11-13 23:27:29,406 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-13 23:27:29,406 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:27:29,406 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:27:29,406 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:27:29,408 INFO L229 MonitoredProcess]: Starting monitored process 1354 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:27:29,409 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1354)] Waiting until timeout for monitored process [2024-11-13 23:27:29,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:27:29,730 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:27:29,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:27:29,813 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-13 23:27:29,814 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:27:29,935 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-13 23:27:29,937 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1354)] Ended with exit code 0 [2024-11-13 23:27:29,940 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:27:29,940 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 32 states and 50 transitions. [2024-11-13 23:27:29,940 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2024-11-13 23:27:29,940 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-13 23:27:29,940 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:27:29,940 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:27:29,940 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:27:29,941 INFO L229 MonitoredProcess]: Starting monitored process 1355 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:27:29,942 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1355)] Waiting until timeout for monitored process [2024-11-13 23:27:30,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:27:30,176 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:27:30,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:27:30,288 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-13 23:27:30,289 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:27:30,397 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-13 23:27:30,400 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1355)] Forceful destruction successful, exit code 0 [2024-11-13 23:27:30,402 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:27:30,402 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 32 states and 50 transitions. [2024-11-13 23:27:30,402 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2024-11-13 23:27:30,402 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-13 23:27:30,402 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:27:30,403 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:27:30,403 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:27:30,404 INFO L229 MonitoredProcess]: Starting monitored process 1356 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:27:30,405 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1356)] Waiting until timeout for monitored process [2024-11-13 23:27:30,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:27:30,636 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:27:30,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:27:30,712 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-13 23:27:30,712 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:27:30,824 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-13 23:27:30,826 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1356)] Ended with exit code 0 [2024-11-13 23:27:30,829 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:27:30,829 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 32 states and 50 transitions. [2024-11-13 23:27:30,829 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2024-11-13 23:27:30,829 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-13 23:27:30,829 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:27:30,829 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:27:30,829 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:27:30,831 INFO L229 MonitoredProcess]: Starting monitored process 1357 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:27:30,831 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1357)] Waiting until timeout for monitored process [2024-11-13 23:27:31,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:27:31,070 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:27:31,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:27:31,103 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-13 23:27:31,104 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:27:31,218 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-13 23:27:31,220 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1357)] Forceful destruction successful, exit code 0 [2024-11-13 23:27:31,222 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:27:31,223 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 32 states and 50 transitions. [2024-11-13 23:27:31,223 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2024-11-13 23:27:31,223 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-13 23:27:31,223 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:27:31,223 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:27:31,223 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:27:31,224 INFO L229 MonitoredProcess]: Starting monitored process 1358 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:27:31,225 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1358)] Waiting until timeout for monitored process [2024-11-13 23:27:31,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:27:31,462 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:27:31,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:27:31,495 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-13 23:27:31,496 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:27:31,605 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-13 23:27:31,608 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1358)] Ended with exit code 0 [2024-11-13 23:27:31,610 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:27:31,610 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 32 states and 50 transitions. [2024-11-13 23:27:31,610 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2024-11-13 23:27:31,610 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-13 23:27:31,610 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:27:31,610 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:27:31,610 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:27:31,611 INFO L229 MonitoredProcess]: Starting monitored process 1359 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:27:31,613 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1359)] Waiting until timeout for monitored process [2024-11-13 23:27:31,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:27:31,848 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:27:31,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:27:31,881 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-13 23:27:31,882 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:27:31,997 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-13 23:27:32,000 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1359)] Ended with exit code 0 [2024-11-13 23:27:32,003 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:27:32,003 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 32 states and 50 transitions. [2024-11-13 23:27:32,003 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2024-11-13 23:27:32,003 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-13 23:27:32,003 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:27:32,003 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:27:32,003 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:27:32,005 INFO L229 MonitoredProcess]: Starting monitored process 1360 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:27:32,006 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1360)] Waiting until timeout for monitored process [2024-11-13 23:27:32,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:27:32,238 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:27:32,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:27:32,271 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-13 23:27:32,272 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:27:32,382 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-13 23:27:32,385 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1360)] Ended with exit code 0 [2024-11-13 23:27:32,387 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:27:32,387 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 32 states and 50 transitions. [2024-11-13 23:27:32,387 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2024-11-13 23:27:32,387 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-13 23:27:32,387 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:27:32,387 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:27:32,387 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:27:32,389 INFO L229 MonitoredProcess]: Starting monitored process 1361 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:27:32,389 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1361)] Waiting until timeout for monitored process [2024-11-13 23:27:32,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:27:32,640 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:27:32,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:27:32,676 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-13 23:27:32,676 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:27:32,923 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 14 proven. 2 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2024-11-13 23:27:32,926 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1361)] Ended with exit code 0 [2024-11-13 23:27:32,939 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:27:32,939 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 32 states and 50 transitions. [2024-11-13 23:27:32,939 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2024-11-13 23:27:32,939 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-13 23:27:32,939 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:27:32,939 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:27:32,940 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:27:32,941 INFO L229 MonitoredProcess]: Starting monitored process 1362 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:27:32,942 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1362)] Waiting until timeout for monitored process [2024-11-13 23:27:33,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:27:33,184 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:27:33,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:27:33,216 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-13 23:27:33,216 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:27:33,326 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-13 23:27:33,329 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1362)] Ended with exit code 0 [2024-11-13 23:27:33,331 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:27:33,331 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 32 states and 50 transitions. [2024-11-13 23:27:33,331 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2024-11-13 23:27:33,331 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-13 23:27:33,331 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:27:33,331 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:27:33,331 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:27:33,333 INFO L229 MonitoredProcess]: Starting monitored process 1363 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:27:33,334 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1363)] Waiting until timeout for monitored process [2024-11-13 23:27:33,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:27:33,570 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:27:33,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:27:33,617 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-13 23:27:33,617 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:27:33,732 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-13 23:27:33,734 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1363)] Ended with exit code 0 [2024-11-13 23:27:33,736 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:27:33,737 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 32 states and 50 transitions. [2024-11-13 23:27:33,737 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2024-11-13 23:27:33,737 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-13 23:27:33,737 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:27:33,737 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:27:33,737 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:27:33,738 INFO L229 MonitoredProcess]: Starting monitored process 1364 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:27:33,739 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1364)] Waiting until timeout for monitored process [2024-11-13 23:27:33,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:27:33,975 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:27:34,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:27:34,005 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-13 23:27:34,006 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:27:34,113 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-13 23:27:34,116 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1364)] Ended with exit code 0 [2024-11-13 23:27:34,118 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:27:34,118 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 32 states and 50 transitions. [2024-11-13 23:27:34,118 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2024-11-13 23:27:34,119 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-13 23:27:34,119 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:27:34,119 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:27:34,119 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:27:34,120 INFO L229 MonitoredProcess]: Starting monitored process 1365 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:27:34,121 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1365)] Waiting until timeout for monitored process [2024-11-13 23:27:34,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:27:34,364 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:27:34,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:27:34,426 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-13 23:27:34,427 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:27:34,540 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-13 23:27:34,542 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1365)] Ended with exit code 0 [2024-11-13 23:27:34,545 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:27:34,545 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 32 states and 50 transitions. [2024-11-13 23:27:34,546 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2024-11-13 23:27:34,546 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-13 23:27:34,546 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:27:34,546 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:27:34,546 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:27:34,547 INFO L229 MonitoredProcess]: Starting monitored process 1366 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:27:34,548 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1366)] Waiting until timeout for monitored process [2024-11-13 23:27:34,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:27:34,794 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:27:34,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:27:34,831 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-13 23:27:34,831 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:27:34,941 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-13 23:27:34,943 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1366)] Forceful destruction successful, exit code 0 [2024-11-13 23:27:34,946 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:27:34,946 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 32 states and 50 transitions. [2024-11-13 23:27:34,946 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2024-11-13 23:27:34,946 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-13 23:27:34,946 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:27:34,946 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:27:34,946 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:27:34,948 INFO L229 MonitoredProcess]: Starting monitored process 1367 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:27:34,949 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1367)] Waiting until timeout for monitored process [2024-11-13 23:27:35,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:27:35,197 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:27:35,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:27:35,252 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-13 23:27:35,253 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:27:35,386 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-13 23:27:35,389 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1367)] Ended with exit code 0 [2024-11-13 23:27:35,391 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:27:35,391 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 32 states and 50 transitions. [2024-11-13 23:27:35,391 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2024-11-13 23:27:35,391 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-13 23:27:35,392 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:27:35,392 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:27:35,392 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:27:35,393 INFO L229 MonitoredProcess]: Starting monitored process 1368 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:27:35,394 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1368)] Waiting until timeout for monitored process [2024-11-13 23:27:35,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:27:35,640 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:27:35,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:27:35,690 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-13 23:27:35,691 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:27:35,815 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-13 23:27:35,818 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1368)] Ended with exit code 0 [2024-11-13 23:27:35,820 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:27:35,820 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 32 states and 50 transitions. [2024-11-13 23:27:35,820 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2024-11-13 23:27:35,820 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-13 23:27:35,820 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:27:35,820 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:27:35,820 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:27:35,822 INFO L229 MonitoredProcess]: Starting monitored process 1369 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:27:35,825 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1369)] Waiting until timeout for monitored process [2024-11-13 23:27:36,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:27:36,061 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:27:36,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:27:36,135 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-13 23:27:36,135 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:27:36,262 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-13 23:27:36,265 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1369)] Ended with exit code 0 [2024-11-13 23:27:36,267 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:27:36,267 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 32 states and 50 transitions. [2024-11-13 23:27:36,267 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2024-11-13 23:27:36,267 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-13 23:27:36,267 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:27:36,267 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:27:36,267 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:27:36,269 INFO L229 MonitoredProcess]: Starting monitored process 1370 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:27:36,270 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1370)] Waiting until timeout for monitored process [2024-11-13 23:27:36,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:27:36,508 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:27:36,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:27:36,538 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-13 23:27:36,539 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:27:36,655 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-13 23:27:36,658 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1370)] Ended with exit code 0 [2024-11-13 23:27:36,660 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:27:36,660 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 32 states and 50 transitions. [2024-11-13 23:27:36,660 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2024-11-13 23:27:36,660 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-13 23:27:36,660 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:27:36,660 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:27:36,660 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:27:36,662 INFO L229 MonitoredProcess]: Starting monitored process 1371 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:27:36,662 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1371)] Waiting until timeout for monitored process [2024-11-13 23:27:36,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:27:36,902 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:27:36,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:27:36,951 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-13 23:27:36,952 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:27:37,060 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-13 23:27:37,062 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1371)] Ended with exit code 0 [2024-11-13 23:27:37,065 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:27:37,065 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 32 states and 50 transitions. [2024-11-13 23:27:37,065 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2024-11-13 23:27:37,065 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-13 23:27:37,065 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:27:37,065 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:27:37,065 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:27:37,066 INFO L229 MonitoredProcess]: Starting monitored process 1372 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:27:37,067 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1372)] Waiting until timeout for monitored process [2024-11-13 23:27:37,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:27:37,307 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:27:37,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:27:37,343 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-13 23:27:37,343 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:27:37,456 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-13 23:27:37,459 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1372)] Ended with exit code 0 [2024-11-13 23:27:37,461 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:27:37,461 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 32 states and 50 transitions. [2024-11-13 23:27:37,461 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2024-11-13 23:27:37,461 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-13 23:27:37,461 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:27:37,461 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:27:37,461 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:27:37,463 INFO L229 MonitoredProcess]: Starting monitored process 1373 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:27:37,464 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1373)] Waiting until timeout for monitored process [2024-11-13 23:27:37,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:27:37,700 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:27:37,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:27:37,740 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-13 23:27:37,741 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:27:37,852 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-13 23:27:37,854 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1373)] Ended with exit code 0 [2024-11-13 23:27:37,857 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:27:37,857 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 32 states and 50 transitions. [2024-11-13 23:27:37,857 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2024-11-13 23:27:37,857 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-13 23:27:37,857 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:27:37,858 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:27:37,858 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:27:37,859 INFO L229 MonitoredProcess]: Starting monitored process 1374 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:27:37,860 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1374)] Waiting until timeout for monitored process [2024-11-13 23:27:38,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:27:38,094 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:27:38,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:27:38,127 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-13 23:27:38,128 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:27:38,250 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-13 23:27:38,253 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1374)] Ended with exit code 0 [2024-11-13 23:27:38,254 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:27:38,255 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 32 states and 50 transitions. [2024-11-13 23:27:38,255 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2024-11-13 23:27:38,255 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-13 23:27:38,255 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:27:38,255 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:27:38,255 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:27:38,256 INFO L229 MonitoredProcess]: Starting monitored process 1375 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:27:38,258 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1375)] Waiting until timeout for monitored process [2024-11-13 23:27:38,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:27:38,510 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:27:38,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:27:38,566 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-13 23:27:38,566 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:27:38,707 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-13 23:27:38,710 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1375)] Ended with exit code 0 [2024-11-13 23:27:38,711 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:27:38,712 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 32 states and 50 transitions. [2024-11-13 23:27:38,712 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2024-11-13 23:27:38,712 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-13 23:27:38,712 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:27:38,712 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:27:38,712 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:27:38,713 INFO L229 MonitoredProcess]: Starting monitored process 1376 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:27:38,714 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1376)] Waiting until timeout for monitored process [2024-11-13 23:27:38,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:27:38,954 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:27:38,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:27:38,994 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-13 23:27:38,995 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:27:39,110 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-13 23:27:39,113 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1376)] Ended with exit code 0 [2024-11-13 23:27:39,115 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:27:39,115 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 32 states and 50 transitions. [2024-11-13 23:27:39,115 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2024-11-13 23:27:39,116 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-13 23:27:39,116 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:27:39,116 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:27:39,116 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:27:39,117 INFO L229 MonitoredProcess]: Starting monitored process 1377 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:27:39,118 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1377)] Waiting until timeout for monitored process [2024-11-13 23:27:39,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:27:39,358 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:27:39,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:27:39,395 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-13 23:27:39,396 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:27:39,736 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 14 proven. 2 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2024-11-13 23:27:39,740 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1377)] Ended with exit code 0 [2024-11-13 23:27:39,770 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:27:39,770 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 32 states and 50 transitions. [2024-11-13 23:27:39,770 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2024-11-13 23:27:39,770 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-13 23:27:39,770 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:27:39,770 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:27:39,770 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:27:39,773 INFO L229 MonitoredProcess]: Starting monitored process 1378 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:27:39,774 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1378)] Waiting until timeout for monitored process [2024-11-13 23:27:40,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:27:40,023 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:27:40,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:27:40,056 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-13 23:27:40,057 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:27:40,180 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-13 23:27:40,182 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1378)] Ended with exit code 0 [2024-11-13 23:27:40,185 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:27:40,185 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 32 states and 50 transitions. [2024-11-13 23:27:40,185 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2024-11-13 23:27:40,186 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-13 23:27:40,186 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:27:40,186 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:27:40,186 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:27:40,187 INFO L229 MonitoredProcess]: Starting monitored process 1379 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:27:40,189 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1379)] Waiting until timeout for monitored process [2024-11-13 23:27:40,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:27:40,422 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:27:40,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:27:40,503 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-13 23:27:40,504 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:27:40,615 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-13 23:27:40,618 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1379)] Ended with exit code 0 [2024-11-13 23:27:40,620 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:27:40,620 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 32 states and 50 transitions. [2024-11-13 23:27:40,620 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2024-11-13 23:27:40,620 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-13 23:27:40,620 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:27:40,620 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:27:40,620 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:27:40,621 INFO L229 MonitoredProcess]: Starting monitored process 1380 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:27:40,623 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1380)] Waiting until timeout for monitored process [2024-11-13 23:27:40,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:27:40,862 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:27:40,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:27:40,892 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-13 23:27:40,893 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:27:41,017 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-13 23:27:41,020 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1380)] Ended with exit code 0 [2024-11-13 23:27:41,023 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:27:41,023 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 32 states and 50 transitions. [2024-11-13 23:27:41,023 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2024-11-13 23:27:41,023 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-13 23:27:41,023 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:27:41,023 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:27:41,023 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:27:41,024 INFO L229 MonitoredProcess]: Starting monitored process 1381 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:27:41,025 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1381)] Waiting until timeout for monitored process [2024-11-13 23:27:41,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:27:41,265 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:27:41,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:27:41,299 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-13 23:27:41,299 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:27:41,409 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-13 23:27:41,411 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1381)] Ended with exit code 0 [2024-11-13 23:27:41,414 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:27:41,414 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 32 states and 50 transitions. [2024-11-13 23:27:41,414 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2024-11-13 23:27:41,414 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-13 23:27:41,414 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:27:41,415 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:27:41,415 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:27:41,416 INFO L229 MonitoredProcess]: Starting monitored process 1382 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:27:41,417 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1382)] Waiting until timeout for monitored process [2024-11-13 23:27:41,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:27:41,657 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:27:41,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:27:41,718 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-13 23:27:41,718 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:27:41,833 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-13 23:27:41,836 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1382)] Ended with exit code 0 [2024-11-13 23:27:41,838 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:27:41,838 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 32 states and 50 transitions. [2024-11-13 23:27:41,838 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2024-11-13 23:27:41,839 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-13 23:27:41,839 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:27:41,839 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:27:41,839 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:27:41,840 INFO L229 MonitoredProcess]: Starting monitored process 1383 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:27:41,841 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1383)] Waiting until timeout for monitored process [2024-11-13 23:27:42,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:27:42,081 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:27:42,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:27:42,142 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-13 23:27:42,143 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:27:42,255 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-13 23:27:42,257 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1383)] Ended with exit code 0 [2024-11-13 23:27:42,260 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:27:42,260 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 32 states and 50 transitions. [2024-11-13 23:27:42,261 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2024-11-13 23:27:42,261 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-13 23:27:42,261 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:27:42,261 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:27:42,261 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:27:42,262 INFO L229 MonitoredProcess]: Starting monitored process 1384 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:27:42,264 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1384)] Waiting until timeout for monitored process [2024-11-13 23:27:42,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:27:42,506 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:27:42,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:27:42,540 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-13 23:27:42,540 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:27:42,656 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-13 23:27:42,659 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1384)] Ended with exit code 0 [2024-11-13 23:27:42,660 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:27:42,661 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 32 states and 50 transitions. [2024-11-13 23:27:42,661 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2024-11-13 23:27:42,661 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-13 23:27:42,661 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:27:42,661 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:27:42,661 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:27:42,662 INFO L229 MonitoredProcess]: Starting monitored process 1385 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:27:42,663 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1385)] Waiting until timeout for monitored process [2024-11-13 23:27:42,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:27:42,902 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:27:42,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:27:42,952 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-13 23:27:42,952 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:27:43,067 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-13 23:27:43,069 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1385)] Ended with exit code 0 [2024-11-13 23:27:43,071 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:27:43,071 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 32 states and 50 transitions. [2024-11-13 23:27:43,071 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2024-11-13 23:27:43,071 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-13 23:27:43,071 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:27:43,071 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:27:43,072 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:27:43,073 INFO L229 MonitoredProcess]: Starting monitored process 1386 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:27:43,074 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1386)] Waiting until timeout for monitored process [2024-11-13 23:27:43,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:27:43,318 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:27:43,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:27:43,348 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-13 23:27:43,349 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:27:43,459 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-13 23:27:43,462 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1386)] Ended with exit code 0 [2024-11-13 23:27:43,464 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:27:43,464 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 32 states and 50 transitions. [2024-11-13 23:27:43,464 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2024-11-13 23:27:43,464 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-13 23:27:43,464 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:27:43,464 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:27:43,464 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:27:43,466 INFO L229 MonitoredProcess]: Starting monitored process 1387 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:27:43,467 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1387)] Waiting until timeout for monitored process [2024-11-13 23:27:43,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:27:43,717 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:27:43,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:27:43,766 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-13 23:27:43,767 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:27:43,897 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-13 23:27:43,900 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1387)] Ended with exit code 0 [2024-11-13 23:27:43,903 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:27:43,903 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 32 states and 50 transitions. [2024-11-13 23:27:43,903 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2024-11-13 23:27:43,903 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-13 23:27:43,903 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:27:43,903 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:27:43,903 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:27:43,905 INFO L229 MonitoredProcess]: Starting monitored process 1388 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:27:43,906 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1388)] Waiting until timeout for monitored process [2024-11-13 23:27:44,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:27:44,177 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:27:44,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:27:44,270 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-13 23:27:44,270 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:27:44,408 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-13 23:27:44,411 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1388)] Forceful destruction successful, exit code 0 [2024-11-13 23:27:44,414 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:27:44,414 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 32 states and 50 transitions. [2024-11-13 23:27:44,414 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2024-11-13 23:27:44,414 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-13 23:27:44,414 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:27:44,414 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:27:44,414 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:27:44,416 INFO L229 MonitoredProcess]: Starting monitored process 1389 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:27:44,417 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1389)] Waiting until timeout for monitored process [2024-11-13 23:27:44,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:27:44,697 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:27:44,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:27:44,731 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-13 23:27:44,731 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:27:44,854 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-13 23:27:44,857 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1389)] Ended with exit code 0 [2024-11-13 23:27:44,860 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:27:44,860 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 32 states and 50 transitions. [2024-11-13 23:27:44,860 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2024-11-13 23:27:44,860 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-13 23:27:44,860 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:27:44,860 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:27:44,860 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:27:44,863 INFO L229 MonitoredProcess]: Starting monitored process 1390 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:27:44,864 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1390)] Waiting until timeout for monitored process [2024-11-13 23:27:45,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:27:45,149 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:27:45,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:27:45,206 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-13 23:27:45,207 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:27:45,376 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-13 23:27:45,379 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1390)] Forceful destruction successful, exit code 0 [2024-11-13 23:27:45,381 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:27:45,381 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 32 states and 50 transitions. [2024-11-13 23:27:45,381 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2024-11-13 23:27:45,381 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-13 23:27:45,381 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:27:45,381 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:27:45,382 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:27:45,383 INFO L229 MonitoredProcess]: Starting monitored process 1391 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:27:45,384 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1391)] Waiting until timeout for monitored process [2024-11-13 23:27:45,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:27:45,668 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:27:45,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:27:45,706 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-13 23:27:45,706 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:27:45,839 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-13 23:27:45,842 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1391)] Forceful destruction successful, exit code 0 [2024-11-13 23:27:45,845 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:27:45,845 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 32 states and 50 transitions. [2024-11-13 23:27:45,845 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2024-11-13 23:27:45,845 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-13 23:27:45,845 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:27:45,846 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:27:45,846 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:27:45,847 INFO L229 MonitoredProcess]: Starting monitored process 1392 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:27:45,849 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1392)] Waiting until timeout for monitored process [2024-11-13 23:27:46,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:27:46,129 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:27:46,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:27:46,174 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-13 23:27:46,174 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:27:46,455 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 14 proven. 2 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2024-11-13 23:27:46,458 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1392)] Ended with exit code 0 [2024-11-13 23:27:46,479 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:27:46,479 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 32 states and 50 transitions. [2024-11-13 23:27:46,479 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2024-11-13 23:27:46,479 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-13 23:27:46,479 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:27:46,479 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:27:46,480 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:27:46,481 INFO L229 MonitoredProcess]: Starting monitored process 1393 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:27:46,482 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1393)] Waiting until timeout for monitored process [2024-11-13 23:27:46,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:27:46,749 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:27:46,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:27:46,788 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-13 23:27:46,789 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:27:46,922 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-13 23:27:46,925 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1393)] Ended with exit code 0 [2024-11-13 23:27:46,927 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:27:46,927 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 32 states and 50 transitions. [2024-11-13 23:27:46,927 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2024-11-13 23:27:46,928 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-13 23:27:46,928 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:27:46,928 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:27:46,928 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:27:46,929 INFO L229 MonitoredProcess]: Starting monitored process 1394 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:27:46,931 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1394)] Waiting until timeout for monitored process [2024-11-13 23:27:47,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:27:47,214 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:27:47,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:27:47,274 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-13 23:27:47,275 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:27:47,407 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-13 23:27:47,410 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1394)] Ended with exit code 0 [2024-11-13 23:27:47,412 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:27:47,412 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 32 states and 50 transitions. [2024-11-13 23:27:47,412 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2024-11-13 23:27:47,412 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-13 23:27:47,412 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:27:47,413 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:27:47,413 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:27:47,414 INFO L229 MonitoredProcess]: Starting monitored process 1395 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:27:47,415 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1395)] Waiting until timeout for monitored process [2024-11-13 23:27:47,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:27:47,695 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:27:47,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:27:47,777 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-13 23:27:47,778 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:27:47,911 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-13 23:27:47,914 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1395)] Ended with exit code 0 [2024-11-13 23:27:47,916 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:27:47,917 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 32 states and 50 transitions. [2024-11-13 23:27:47,917 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2024-11-13 23:27:47,917 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-13 23:27:47,917 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:27:47,917 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:27:47,917 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:27:47,919 INFO L229 MonitoredProcess]: Starting monitored process 1396 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:27:47,920 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1396)] Waiting until timeout for monitored process [2024-11-13 23:27:48,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:27:48,201 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:27:48,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:27:48,247 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-13 23:27:48,247 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:27:48,528 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 14 proven. 2 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2024-11-13 23:27:48,531 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1396)] Forceful destruction successful, exit code 0 [2024-11-13 23:27:48,551 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:27:48,551 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 32 states and 50 transitions. [2024-11-13 23:27:48,551 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2024-11-13 23:27:48,551 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-13 23:27:48,551 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:27:48,551 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:27:48,551 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:27:48,553 INFO L229 MonitoredProcess]: Starting monitored process 1397 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:27:48,554 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1397)] Waiting until timeout for monitored process [2024-11-13 23:27:48,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:27:48,836 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:27:48,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:27:48,892 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-13 23:27:48,893 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:27:49,169 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 14 proven. 2 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2024-11-13 23:27:49,172 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1397)] Ended with exit code 0 [2024-11-13 23:27:49,189 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:27:49,189 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 32 states and 50 transitions. [2024-11-13 23:27:49,189 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2024-11-13 23:27:49,189 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-13 23:27:49,189 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:27:49,189 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:27:49,189 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:27:49,191 INFO L229 MonitoredProcess]: Starting monitored process 1398 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:27:49,192 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1398)] Waiting until timeout for monitored process [2024-11-13 23:27:49,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:27:49,501 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:27:49,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:27:49,569 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-13 23:27:49,570 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:27:49,743 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-13 23:27:49,746 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1398)] Ended with exit code 0 [2024-11-13 23:27:49,749 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:27:49,749 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 32 states and 50 transitions. [2024-11-13 23:27:49,749 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2024-11-13 23:27:49,749 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-13 23:27:49,749 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:27:49,749 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:27:49,750 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:27:49,751 INFO L229 MonitoredProcess]: Starting monitored process 1399 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:27:49,752 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1399)] Waiting until timeout for monitored process [2024-11-13 23:27:50,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:27:50,055 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:27:50,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:27:50,105 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-13 23:27:50,106 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:27:50,250 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-13 23:27:50,254 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1399)] Ended with exit code 0 [2024-11-13 23:27:50,256 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:27:50,257 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 32 states and 50 transitions. [2024-11-13 23:27:50,257 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2024-11-13 23:27:50,257 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-13 23:27:50,257 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:27:50,257 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:27:50,257 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:27:50,259 INFO L229 MonitoredProcess]: Starting monitored process 1400 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:27:50,260 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1400)] Waiting until timeout for monitored process [2024-11-13 23:27:50,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:27:50,537 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:27:50,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:27:50,575 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-13 23:27:50,575 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:27:50,704 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-13 23:27:50,707 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1400)] Ended with exit code 0 [2024-11-13 23:27:50,709 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:27:50,710 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 32 states and 50 transitions. [2024-11-13 23:27:50,710 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2024-11-13 23:27:50,710 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-13 23:27:50,710 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:27:50,710 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:27:50,710 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:27:50,712 INFO L229 MonitoredProcess]: Starting monitored process 1401 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:27:50,713 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1401)] Waiting until timeout for monitored process [2024-11-13 23:27:50,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:27:50,990 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:27:51,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:27:51,030 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-13 23:27:51,031 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:27:51,172 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-13 23:27:51,176 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1401)] Ended with exit code 0 [2024-11-13 23:27:51,178 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:27:51,178 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 32 states and 50 transitions. [2024-11-13 23:27:51,178 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2024-11-13 23:27:51,178 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-13 23:27:51,178 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:27:51,178 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:27:51,178 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:27:51,180 INFO L229 MonitoredProcess]: Starting monitored process 1402 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:27:51,181 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1402)] Waiting until timeout for monitored process [2024-11-13 23:27:51,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:27:51,469 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:27:51,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:27:51,577 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-13 23:27:51,578 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:27:51,726 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-13 23:27:51,729 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1402)] Ended with exit code 0 [2024-11-13 23:27:51,732 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:27:51,732 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 32 states and 50 transitions. [2024-11-13 23:27:51,732 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2024-11-13 23:27:51,732 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-13 23:27:51,732 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:27:51,732 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:27:51,732 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:27:51,734 INFO L229 MonitoredProcess]: Starting monitored process 1403 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:27:51,736 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1403)] Waiting until timeout for monitored process [2024-11-13 23:27:52,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:27:52,017 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:27:52,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:27:52,055 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-13 23:27:52,056 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:27:52,194 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-13 23:27:52,197 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1403)] Ended with exit code 0 [2024-11-13 23:27:52,199 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:27:52,199 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 32 states and 50 transitions. [2024-11-13 23:27:52,199 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2024-11-13 23:27:52,199 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-13 23:27:52,200 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:27:52,200 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:27:52,200 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:27:52,201 INFO L229 MonitoredProcess]: Starting monitored process 1404 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:27:52,202 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1404)] Waiting until timeout for monitored process [2024-11-13 23:27:52,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:27:52,502 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:27:52,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:27:52,541 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-13 23:27:52,542 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:27:52,689 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-13 23:27:52,693 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1404)] Forceful destruction successful, exit code 0 [2024-11-13 23:27:52,695 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:27:52,695 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 32 states and 50 transitions. [2024-11-13 23:27:52,695 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2024-11-13 23:27:52,695 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-13 23:27:52,695 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:27:52,695 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:27:52,695 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:27:52,697 INFO L229 MonitoredProcess]: Starting monitored process 1405 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:27:52,698 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1405)] Waiting until timeout for monitored process [2024-11-13 23:27:52,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:27:52,977 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:27:53,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:27:53,012 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-13 23:27:53,013 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:27:53,147 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-13 23:27:53,150 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1405)] Ended with exit code 0 [2024-11-13 23:27:53,153 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:27:53,153 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 32 states and 50 transitions. [2024-11-13 23:27:53,153 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2024-11-13 23:27:53,153 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-13 23:27:53,153 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:27:53,153 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:27:53,153 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:27:53,155 INFO L229 MonitoredProcess]: Starting monitored process 1406 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:27:53,156 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1406)] Waiting until timeout for monitored process [2024-11-13 23:27:53,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:27:53,434 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:27:53,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:27:53,478 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-13 23:27:53,479 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:27:53,602 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-13 23:27:53,605 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1406)] Ended with exit code 0 [2024-11-13 23:27:53,607 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:27:53,607 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 32 states and 50 transitions. [2024-11-13 23:27:53,607 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2024-11-13 23:27:53,607 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-13 23:27:53,607 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:27:53,607 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:27:53,607 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:27:53,609 INFO L229 MonitoredProcess]: Starting monitored process 1407 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:27:53,611 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1407)] Waiting until timeout for monitored process [2024-11-13 23:27:53,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:27:53,887 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:27:53,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:27:53,958 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-13 23:27:53,959 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:27:54,119 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-13 23:27:54,122 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1407)] Ended with exit code 0 [2024-11-13 23:27:54,125 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:27:54,125 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 32 states and 50 transitions. [2024-11-13 23:27:54,125 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2024-11-13 23:27:54,125 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-13 23:27:54,125 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:27:54,125 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:27:54,125 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:27:54,127 INFO L229 MonitoredProcess]: Starting monitored process 1408 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:27:54,128 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1408)] Waiting until timeout for monitored process [2024-11-13 23:27:54,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:27:54,414 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:27:54,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:27:54,455 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-13 23:27:54,455 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:27:54,591 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-13 23:27:54,593 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1408)] Forceful destruction successful, exit code 0 [2024-11-13 23:27:54,595 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:27:54,596 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 32 states and 50 transitions. [2024-11-13 23:27:54,596 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2024-11-13 23:27:54,596 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-13 23:27:54,596 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:27:54,596 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:27:54,596 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:27:54,597 INFO L229 MonitoredProcess]: Starting monitored process 1409 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:27:54,598 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1409)] Waiting until timeout for monitored process [2024-11-13 23:27:54,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:27:54,880 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:27:54,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:27:54,917 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-13 23:27:54,917 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:27:55,049 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-13 23:27:55,052 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1409)] Forceful destruction successful, exit code 0 [2024-11-13 23:27:55,055 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:27:55,055 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 32 states and 50 transitions. [2024-11-13 23:27:55,056 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2024-11-13 23:27:55,056 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-13 23:27:55,056 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:27:55,056 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:27:55,056 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:27:55,058 INFO L229 MonitoredProcess]: Starting monitored process 1410 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:27:55,059 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1410)] Waiting until timeout for monitored process [2024-11-13 23:27:55,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:27:55,343 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:27:55,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:27:55,379 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-13 23:27:55,380 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:27:55,511 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-13 23:27:55,515 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1410)] Forceful destruction successful, exit code 0 [2024-11-13 23:27:55,517 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:27:55,517 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 32 states and 50 transitions. [2024-11-13 23:27:55,517 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2024-11-13 23:27:55,518 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-13 23:27:55,518 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:27:55,518 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:27:55,518 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:27:55,520 INFO L229 MonitoredProcess]: Starting monitored process 1411 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:27:55,523 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1411)] Waiting until timeout for monitored process [2024-11-13 23:27:55,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:27:55,811 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:27:55,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:27:55,850 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-13 23:27:55,850 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:27:55,980 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-13 23:27:55,983 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1411)] Forceful destruction successful, exit code 0 [2024-11-13 23:27:55,985 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:27:55,986 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 32 states and 50 transitions. [2024-11-13 23:27:55,986 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2024-11-13 23:27:55,986 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-13 23:27:55,986 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:27:55,986 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:27:55,986 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:27:55,988 INFO L229 MonitoredProcess]: Starting monitored process 1412 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:27:55,989 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1412)] Waiting until timeout for monitored process [2024-11-13 23:27:56,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:27:56,271 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:27:56,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:27:56,314 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-13 23:27:56,315 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:27:56,576 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 14 proven. 2 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2024-11-13 23:27:56,579 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1412)] Ended with exit code 0 [2024-11-13 23:27:56,598 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:27:56,598 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 32 states and 50 transitions. [2024-11-13 23:27:56,599 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2024-11-13 23:27:56,599 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-13 23:27:56,599 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:27:56,599 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:27:56,599 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:27:56,600 INFO L229 MonitoredProcess]: Starting monitored process 1413 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:27:56,601 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1413)] Waiting until timeout for monitored process [2024-11-13 23:27:56,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:27:56,854 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:27:56,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:27:56,888 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-13 23:27:56,888 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:27:57,016 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-13 23:27:57,019 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1413)] Ended with exit code 0 [2024-11-13 23:27:57,022 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:27:57,022 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 32 states and 50 transitions. [2024-11-13 23:27:57,022 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2024-11-13 23:27:57,022 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-13 23:27:57,022 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:27:57,022 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:27:57,022 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:27:57,024 INFO L229 MonitoredProcess]: Starting monitored process 1414 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:27:57,025 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1414)] Waiting until timeout for monitored process [2024-11-13 23:27:57,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:27:57,307 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:27:57,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:27:57,342 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-13 23:27:57,343 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:27:57,485 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-13 23:27:57,489 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1414)] Ended with exit code 0 [2024-11-13 23:27:57,491 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:27:57,492 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 32 states and 50 transitions. [2024-11-13 23:27:57,492 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2024-11-13 23:27:57,492 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-13 23:27:57,492 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:27:57,492 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:27:57,492 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:27:57,494 INFO L229 MonitoredProcess]: Starting monitored process 1415 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:27:57,495 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1415)] Waiting until timeout for monitored process [2024-11-13 23:27:57,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:27:57,778 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:27:57,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:27:57,817 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-13 23:27:57,818 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:27:57,964 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-13 23:27:57,967 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1415)] Ended with exit code 0 [2024-11-13 23:27:57,970 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:27:57,970 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 32 states and 50 transitions. [2024-11-13 23:27:57,970 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2024-11-13 23:27:57,971 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-13 23:27:57,971 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:27:57,971 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:27:57,971 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:27:57,972 INFO L229 MonitoredProcess]: Starting monitored process 1416 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:27:57,973 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1416)] Waiting until timeout for monitored process [2024-11-13 23:27:58,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:27:58,252 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:27:58,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:27:58,326 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-13 23:27:58,326 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:27:58,462 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-13 23:27:58,465 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1416)] Ended with exit code 0 [2024-11-13 23:27:58,468 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:27:58,468 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 32 states and 50 transitions. [2024-11-13 23:27:58,468 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2024-11-13 23:27:58,469 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-13 23:27:58,469 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:27:58,469 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:27:58,469 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:27:58,471 INFO L229 MonitoredProcess]: Starting monitored process 1417 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:27:58,472 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1417)] Waiting until timeout for monitored process [2024-11-13 23:27:58,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:27:58,753 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:27:58,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:27:58,796 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-13 23:27:58,797 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:27:59,068 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 14 proven. 2 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2024-11-13 23:27:59,071 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1417)] Ended with exit code 0 [2024-11-13 23:27:59,090 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:27:59,090 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 32 states and 50 transitions. [2024-11-13 23:27:59,090 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2024-11-13 23:27:59,090 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-13 23:27:59,090 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:27:59,091 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:27:59,091 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:27:59,092 INFO L229 MonitoredProcess]: Starting monitored process 1418 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:27:59,093 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1418)] Waiting until timeout for monitored process [2024-11-13 23:27:59,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:27:59,373 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:27:59,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:27:59,408 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-13 23:27:59,409 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:27:59,587 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-13 23:27:59,590 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1418)] Ended with exit code 0 [2024-11-13 23:27:59,594 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:27:59,594 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 32 states and 50 transitions. [2024-11-13 23:27:59,594 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2024-11-13 23:27:59,595 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-13 23:27:59,595 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:27:59,595 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:27:59,595 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:27:59,596 INFO L229 MonitoredProcess]: Starting monitored process 1419 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:27:59,598 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1419)] Waiting until timeout for monitored process [2024-11-13 23:27:59,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:27:59,901 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:27:59,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:27:59,971 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-13 23:27:59,972 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:28:00,105 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-13 23:28:00,108 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1419)] Ended with exit code 0 [2024-11-13 23:28:00,110 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:28:00,111 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 32 states and 50 transitions. [2024-11-13 23:28:00,111 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2024-11-13 23:28:00,111 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-13 23:28:00,111 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:28:00,111 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:28:00,111 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:28:00,113 INFO L229 MonitoredProcess]: Starting monitored process 1420 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:28:00,114 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1420)] Waiting until timeout for monitored process [2024-11-13 23:28:00,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:28:00,395 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:28:00,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:28:00,431 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-13 23:28:00,431 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:28:00,568 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-13 23:28:00,571 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1420)] Ended with exit code 0 [2024-11-13 23:28:00,574 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:28:00,574 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 32 states and 50 transitions. [2024-11-13 23:28:00,574 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2024-11-13 23:28:00,574 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-13 23:28:00,574 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:28:00,574 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:28:00,574 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:28:00,576 INFO L229 MonitoredProcess]: Starting monitored process 1421 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:28:00,577 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1421)] Waiting until timeout for monitored process [2024-11-13 23:28:00,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:28:00,887 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:28:00,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:28:00,928 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-13 23:28:00,929 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:28:01,065 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-13 23:28:01,069 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1421)] Ended with exit code 0 [2024-11-13 23:28:01,071 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:28:01,071 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 32 states and 50 transitions. [2024-11-13 23:28:01,071 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2024-11-13 23:28:01,071 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-13 23:28:01,071 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:28:01,071 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:28:01,071 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:28:01,073 INFO L229 MonitoredProcess]: Starting monitored process 1422 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:28:01,074 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1422)] Waiting until timeout for monitored process [2024-11-13 23:28:01,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:28:01,357 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:28:01,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:28:01,395 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-13 23:28:01,395 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:28:01,542 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-13 23:28:01,546 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1422)] Ended with exit code 0 [2024-11-13 23:28:01,548 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:28:01,548 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 32 states and 50 transitions. [2024-11-13 23:28:01,548 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2024-11-13 23:28:01,548 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-13 23:28:01,548 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:28:01,548 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:28:01,548 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:28:01,550 INFO L229 MonitoredProcess]: Starting monitored process 1423 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:28:01,551 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1423)] Waiting until timeout for monitored process [2024-11-13 23:28:01,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:28:01,834 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:28:01,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:28:01,874 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-13 23:28:01,874 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:28:02,004 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-13 23:28:02,007 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1423)] Ended with exit code 0 [2024-11-13 23:28:02,010 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:28:02,010 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 32 states and 50 transitions. [2024-11-13 23:28:02,010 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2024-11-13 23:28:02,010 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-13 23:28:02,010 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:28:02,010 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:28:02,010 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:28:02,012 INFO L229 MonitoredProcess]: Starting monitored process 1424 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:28:02,013 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1424)] Waiting until timeout for monitored process [2024-11-13 23:28:02,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:28:02,298 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:28:02,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:28:02,333 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-13 23:28:02,334 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:28:02,468 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-13 23:28:02,471 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1424)] Ended with exit code 0 [2024-11-13 23:28:02,474 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:28:02,474 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 32 states and 50 transitions. [2024-11-13 23:28:02,474 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2024-11-13 23:28:02,474 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-13 23:28:02,474 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:28:02,474 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:28:02,474 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:28:02,476 INFO L229 MonitoredProcess]: Starting monitored process 1425 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:28:02,477 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1425)] Waiting until timeout for monitored process [2024-11-13 23:28:02,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:28:02,801 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:28:02,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:28:02,842 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-13 23:28:02,843 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:28:02,993 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-13 23:28:02,996 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1425)] Ended with exit code 0 [2024-11-13 23:28:02,999 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:28:02,999 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 32 states and 50 transitions. [2024-11-13 23:28:02,999 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2024-11-13 23:28:02,999 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-13 23:28:02,999 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:28:02,999 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:28:02,999 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:28:03,001 INFO L229 MonitoredProcess]: Starting monitored process 1426 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:28:03,002 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1426)] Waiting until timeout for monitored process [2024-11-13 23:28:03,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:28:03,271 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:28:03,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:28:03,314 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-13 23:28:03,314 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:28:03,446 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-13 23:28:03,449 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1426)] Forceful destruction successful, exit code 0 [2024-11-13 23:28:03,452 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:28:03,452 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 32 states and 50 transitions. [2024-11-13 23:28:03,452 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2024-11-13 23:28:03,452 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-13 23:28:03,452 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:28:03,452 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:28:03,452 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:28:03,454 INFO L229 MonitoredProcess]: Starting monitored process 1427 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:28:03,455 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1427)] Waiting until timeout for monitored process [2024-11-13 23:28:03,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:28:03,746 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:28:03,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:28:03,787 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-13 23:28:03,788 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:28:04,112 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 14 proven. 2 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2024-11-13 23:28:04,115 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1427)] Ended with exit code 0 [2024-11-13 23:28:04,129 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:28:04,130 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 32 states and 50 transitions. [2024-11-13 23:28:04,130 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2024-11-13 23:28:04,130 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-13 23:28:04,130 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:28:04,130 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:28:04,130 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:28:04,132 INFO L229 MonitoredProcess]: Starting monitored process 1428 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:28:04,133 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1428)] Waiting until timeout for monitored process [2024-11-13 23:28:04,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:28:04,398 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:28:04,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:28:04,434 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-13 23:28:04,435 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:28:04,567 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-13 23:28:04,570 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1428)] Ended with exit code 0 [2024-11-13 23:28:04,572 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:28:04,572 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 32 states and 50 transitions. [2024-11-13 23:28:04,572 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2024-11-13 23:28:04,573 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-13 23:28:04,573 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:28:04,573 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:28:04,573 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:28:04,574 INFO L229 MonitoredProcess]: Starting monitored process 1429 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:28:04,575 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1429)] Waiting until timeout for monitored process [2024-11-13 23:28:04,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:28:04,835 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:28:04,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:28:04,872 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-13 23:28:04,872 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:28:04,993 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-13 23:28:04,996 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1429)] Ended with exit code 0 [2024-11-13 23:28:04,999 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:28:04,999 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 32 states and 50 transitions. [2024-11-13 23:28:04,999 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2024-11-13 23:28:04,999 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-13 23:28:04,999 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:28:04,999 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:28:04,999 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:28:05,001 INFO L229 MonitoredProcess]: Starting monitored process 1430 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:28:05,002 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1430)] Waiting until timeout for monitored process [2024-11-13 23:28:05,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:28:05,274 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:28:05,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:28:05,315 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-13 23:28:05,316 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:28:05,635 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 14 proven. 2 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2024-11-13 23:28:05,638 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1430)] Ended with exit code 0 [2024-11-13 23:28:05,655 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:28:05,655 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 32 states and 50 transitions. [2024-11-13 23:28:05,655 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2024-11-13 23:28:05,655 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-13 23:28:05,655 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:28:05,655 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:28:05,655 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:28:05,657 INFO L229 MonitoredProcess]: Starting monitored process 1431 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:28:05,658 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1431)] Waiting until timeout for monitored process [2024-11-13 23:28:05,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:28:05,948 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:28:06,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:28:06,027 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-13 23:28:06,028 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:28:06,177 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-13 23:28:06,179 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1431)] Ended with exit code 0 [2024-11-13 23:28:06,181 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:28:06,182 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 32 states and 50 transitions. [2024-11-13 23:28:06,182 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2024-11-13 23:28:06,182 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-13 23:28:06,182 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:28:06,182 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:28:06,182 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:28:06,183 INFO L229 MonitoredProcess]: Starting monitored process 1432 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:28:06,187 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1432)] Waiting until timeout for monitored process [2024-11-13 23:28:06,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:28:06,454 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:28:06,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:28:06,494 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-13 23:28:06,495 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:28:06,767 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 14 proven. 2 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2024-11-13 23:28:06,770 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1432)] Ended with exit code 0 [2024-11-13 23:28:06,787 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:28:06,788 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 32 states and 50 transitions. [2024-11-13 23:28:06,788 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2024-11-13 23:28:06,788 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-13 23:28:06,788 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:28:06,788 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:28:06,788 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:28:06,790 INFO L229 MonitoredProcess]: Starting monitored process 1433 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:28:06,791 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1433)] Waiting until timeout for monitored process [2024-11-13 23:28:07,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:28:07,062 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:28:07,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:28:07,127 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-13 23:28:07,128 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:28:07,258 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-13 23:28:07,261 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1433)] Forceful destruction successful, exit code 0 [2024-11-13 23:28:07,264 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:28:07,264 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 32 states and 50 transitions. [2024-11-13 23:28:07,264 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2024-11-13 23:28:07,264 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-13 23:28:07,264 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:28:07,264 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:28:07,264 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:28:07,266 INFO L229 MonitoredProcess]: Starting monitored process 1434 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:28:07,267 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1434)] Waiting until timeout for monitored process [2024-11-13 23:28:07,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:28:07,541 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:28:07,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:28:07,625 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-13 23:28:07,626 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:28:07,782 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-13 23:28:07,784 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1434)] Ended with exit code 0 [2024-11-13 23:28:07,787 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:28:07,787 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 32 states and 50 transitions. [2024-11-13 23:28:07,787 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2024-11-13 23:28:07,787 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-13 23:28:07,787 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:28:07,787 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:28:07,787 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:28:07,789 INFO L229 MonitoredProcess]: Starting monitored process 1435 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:28:07,790 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1435)] Waiting until timeout for monitored process [2024-11-13 23:28:08,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:28:08,085 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:28:08,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:28:08,141 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-13 23:28:08,142 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:28:08,291 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-13 23:28:08,294 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1435)] Ended with exit code 0 [2024-11-13 23:28:08,296 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:28:08,297 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 32 states and 50 transitions. [2024-11-13 23:28:08,297 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2024-11-13 23:28:08,297 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-13 23:28:08,297 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:28:08,297 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:28:08,297 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:28:08,298 INFO L229 MonitoredProcess]: Starting monitored process 1436 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:28:08,300 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1436)] Waiting until timeout for monitored process [2024-11-13 23:28:08,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:28:08,560 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:28:08,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:28:08,630 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-13 23:28:08,631 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:28:08,759 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-13 23:28:08,762 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1436)] Ended with exit code 0 [2024-11-13 23:28:08,764 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:28:08,764 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 32 states and 50 transitions. [2024-11-13 23:28:08,764 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2024-11-13 23:28:08,765 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-13 23:28:08,765 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:28:08,765 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:28:08,765 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:28:08,766 INFO L229 MonitoredProcess]: Starting monitored process 1437 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:28:08,767 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1437)] Waiting until timeout for monitored process [2024-11-13 23:28:09,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:28:09,063 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:28:09,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:28:09,108 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-13 23:28:09,108 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:28:09,365 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 14 proven. 2 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2024-11-13 23:28:09,368 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1437)] Forceful destruction successful, exit code 0 [2024-11-13 23:28:09,389 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:28:09,389 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 32 states and 50 transitions. [2024-11-13 23:28:09,389 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2024-11-13 23:28:09,389 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-13 23:28:09,389 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:28:09,389 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:28:09,390 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:28:09,391 INFO L229 MonitoredProcess]: Starting monitored process 1438 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:28:09,393 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1438)] Waiting until timeout for monitored process [2024-11-13 23:28:09,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:28:09,736 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:28:09,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:28:09,850 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-13 23:28:09,851 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:28:09,995 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-13 23:28:09,999 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1438)] Ended with exit code 0 [2024-11-13 23:28:10,001 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:28:10,001 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 32 states and 50 transitions. [2024-11-13 23:28:10,001 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2024-11-13 23:28:10,001 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-13 23:28:10,001 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:28:10,001 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:28:10,001 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:28:10,003 INFO L229 MonitoredProcess]: Starting monitored process 1439 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:28:10,004 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1439)] Waiting until timeout for monitored process [2024-11-13 23:28:10,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:28:10,268 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:28:10,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:28:10,324 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-13 23:28:10,324 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:28:10,453 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-13 23:28:10,456 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1439)] Ended with exit code 0 [2024-11-13 23:28:10,458 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:28:10,458 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 32 states and 50 transitions. [2024-11-13 23:28:10,459 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2024-11-13 23:28:10,459 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-13 23:28:10,459 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:28:10,459 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:28:10,459 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:28:10,460 INFO L229 MonitoredProcess]: Starting monitored process 1440 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:28:10,461 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1440)] Waiting until timeout for monitored process [2024-11-13 23:28:10,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:28:10,728 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:28:10,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:28:10,769 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-13 23:28:10,769 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:28:11,031 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 14 proven. 2 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2024-11-13 23:28:11,033 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1440)] Ended with exit code 0 [2024-11-13 23:28:11,052 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:28:11,052 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 32 states and 50 transitions. [2024-11-13 23:28:11,052 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2024-11-13 23:28:11,052 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-13 23:28:11,052 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:28:11,052 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:28:11,052 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:28:11,054 INFO L229 MonitoredProcess]: Starting monitored process 1441 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:28:11,057 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1441)] Waiting until timeout for monitored process [2024-11-13 23:28:11,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:28:11,317 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:28:11,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:28:11,389 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-13 23:28:11,389 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:28:11,518 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-13 23:28:11,521 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1441)] Ended with exit code 0 [2024-11-13 23:28:11,524 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:28:11,524 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 32 states and 50 transitions. [2024-11-13 23:28:11,524 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2024-11-13 23:28:11,524 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-13 23:28:11,524 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:28:11,524 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:28:11,524 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:28:11,526 INFO L229 MonitoredProcess]: Starting monitored process 1442 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:28:11,527 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1442)] Waiting until timeout for monitored process [2024-11-13 23:28:11,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:28:11,800 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:28:11,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:28:11,838 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-13 23:28:11,838 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:28:11,963 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-13 23:28:11,966 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1442)] Forceful destruction successful, exit code 0 [2024-11-13 23:28:11,968 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:28:11,968 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 32 states and 50 transitions. [2024-11-13 23:28:11,968 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2024-11-13 23:28:11,968 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-13 23:28:11,968 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:28:11,969 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:28:11,969 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:28:11,970 INFO L229 MonitoredProcess]: Starting monitored process 1443 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:28:11,971 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1443)] Waiting until timeout for monitored process [2024-11-13 23:28:12,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:28:12,239 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:28:12,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:28:12,311 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-13 23:28:12,312 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:28:12,449 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-13 23:28:12,452 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1443)] Ended with exit code 0 [2024-11-13 23:28:12,454 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:28:12,455 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 32 states and 50 transitions. [2024-11-13 23:28:12,455 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2024-11-13 23:28:12,455 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-13 23:28:12,455 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:28:12,455 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:28:12,455 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:28:12,457 INFO L229 MonitoredProcess]: Starting monitored process 1444 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:28:12,458 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1444)] Waiting until timeout for monitored process [2024-11-13 23:28:12,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:28:12,724 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:28:12,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:28:12,791 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-13 23:28:12,792 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:28:12,916 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-13 23:28:12,919 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1444)] Forceful destruction successful, exit code 0 [2024-11-13 23:28:12,921 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:28:12,921 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 32 states and 50 transitions. [2024-11-13 23:28:12,921 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2024-11-13 23:28:12,922 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-13 23:28:12,922 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:28:12,922 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:28:12,922 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:28:12,923 INFO L229 MonitoredProcess]: Starting monitored process 1445 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:28:12,924 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1445)] Waiting until timeout for monitored process [2024-11-13 23:28:13,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:28:13,188 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:28:13,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:28:13,251 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-13 23:28:13,251 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:28:13,378 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-13 23:28:13,382 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1445)] Forceful destruction successful, exit code 0 [2024-11-13 23:28:13,384 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:28:13,384 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 32 states and 50 transitions. [2024-11-13 23:28:13,384 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2024-11-13 23:28:13,384 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-13 23:28:13,384 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:28:13,384 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:28:13,384 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:28:13,386 INFO L229 MonitoredProcess]: Starting monitored process 1446 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:28:13,387 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1446)] Waiting until timeout for monitored process [2024-11-13 23:28:13,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:28:13,653 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:28:13,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:28:13,698 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-13 23:28:13,699 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:28:13,938 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 14 proven. 2 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2024-11-13 23:28:13,941 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1446)] Forceful destruction successful, exit code 0 [2024-11-13 23:28:13,958 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:28:13,959 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 32 states and 50 transitions. [2024-11-13 23:28:13,959 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2024-11-13 23:28:13,959 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-13 23:28:13,959 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:28:13,959 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:28:13,959 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:28:13,961 INFO L229 MonitoredProcess]: Starting monitored process 1447 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:28:13,961 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1447)] Waiting until timeout for monitored process [2024-11-13 23:28:14,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:28:14,226 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:28:14,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:28:14,303 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-13 23:28:14,304 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:28:14,482 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-13 23:28:14,485 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1447)] Ended with exit code 0 [2024-11-13 23:28:14,488 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:28:14,488 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 32 states and 50 transitions. [2024-11-13 23:28:14,488 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2024-11-13 23:28:14,488 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-13 23:28:14,488 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:28:14,488 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:28:14,489 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:28:14,490 INFO L229 MonitoredProcess]: Starting monitored process 1448 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:28:14,491 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1448)] Waiting until timeout for monitored process [2024-11-13 23:28:14,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:28:14,770 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:28:14,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:28:14,807 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-13 23:28:14,808 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:28:14,938 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-13 23:28:14,941 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1448)] Ended with exit code 0 [2024-11-13 23:28:14,944 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:28:14,944 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 32 states and 50 transitions. [2024-11-13 23:28:14,944 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2024-11-13 23:28:14,944 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-13 23:28:14,944 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:28:14,944 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:28:14,944 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:28:14,946 INFO L229 MonitoredProcess]: Starting monitored process 1449 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:28:14,947 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1449)] Waiting until timeout for monitored process [2024-11-13 23:28:15,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:28:15,212 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:28:15,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:28:15,250 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-13 23:28:15,250 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:28:15,509 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 14 proven. 2 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2024-11-13 23:28:15,512 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1449)] Ended with exit code 0 [2024-11-13 23:28:15,528 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:28:15,528 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 32 states and 50 transitions. [2024-11-13 23:28:15,528 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2024-11-13 23:28:15,528 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-13 23:28:15,528 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:28:15,528 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:28:15,528 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:28:15,530 INFO L229 MonitoredProcess]: Starting monitored process 1450 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:28:15,531 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1450)] Waiting until timeout for monitored process [2024-11-13 23:28:15,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:28:15,801 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:28:15,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:28:15,841 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-13 23:28:15,842 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:28:16,010 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-13 23:28:16,013 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1450)] Ended with exit code 0 [2024-11-13 23:28:16,016 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:28:16,016 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 32 states and 50 transitions. [2024-11-13 23:28:16,016 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2024-11-13 23:28:16,016 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-13 23:28:16,016 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:28:16,016 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:28:16,017 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:28:16,018 INFO L229 MonitoredProcess]: Starting monitored process 1451 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:28:16,019 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1451)] Waiting until timeout for monitored process [2024-11-13 23:28:16,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:28:16,278 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:28:16,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:28:16,314 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-13 23:28:16,314 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:28:16,448 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-13 23:28:16,451 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1451)] Ended with exit code 0 [2024-11-13 23:28:16,453 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:28:16,454 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 32 states and 50 transitions. [2024-11-13 23:28:16,454 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2024-11-13 23:28:16,454 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-13 23:28:16,454 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:28:16,454 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:28:16,454 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:28:16,456 INFO L229 MonitoredProcess]: Starting monitored process 1452 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:28:16,457 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1452)] Waiting until timeout for monitored process [2024-11-13 23:28:16,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:28:16,724 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:28:16,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:28:16,776 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-13 23:28:16,776 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:28:16,914 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-13 23:28:16,917 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1452)] Ended with exit code 0 [2024-11-13 23:28:16,919 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:28:16,919 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 32 states and 50 transitions. [2024-11-13 23:28:16,920 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2024-11-13 23:28:16,920 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-13 23:28:16,920 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:28:16,920 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:28:16,920 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:28:16,921 INFO L229 MonitoredProcess]: Starting monitored process 1453 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:28:16,922 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1453)] Waiting until timeout for monitored process [2024-11-13 23:28:17,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:28:17,190 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:28:17,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:28:17,232 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-13 23:28:17,233 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:28:17,485 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 14 proven. 2 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2024-11-13 23:28:17,488 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1453)] Ended with exit code 0 [2024-11-13 23:28:17,506 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:28:17,506 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 32 states and 50 transitions. [2024-11-13 23:28:17,506 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2024-11-13 23:28:17,506 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-13 23:28:17,506 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:28:17,506 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:28:17,506 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:28:17,508 INFO L229 MonitoredProcess]: Starting monitored process 1454 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:28:17,509 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1454)] Waiting until timeout for monitored process [2024-11-13 23:28:17,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:28:17,781 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:28:17,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:28:17,859 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-13 23:28:17,860 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:28:17,985 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-13 23:28:17,988 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1454)] Forceful destruction successful, exit code 0 [2024-11-13 23:28:17,990 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:28:17,990 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 32 states and 50 transitions. [2024-11-13 23:28:17,990 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2024-11-13 23:28:17,991 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-13 23:28:17,991 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:28:17,991 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:28:17,991 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:28:17,992 INFO L229 MonitoredProcess]: Starting monitored process 1455 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:28:17,993 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1455)] Waiting until timeout for monitored process [2024-11-13 23:28:18,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:28:18,264 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:28:18,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:28:18,327 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-13 23:28:18,327 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:28:18,458 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-13 23:28:18,461 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1455)] Ended with exit code 0 [2024-11-13 23:28:18,465 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:28:18,465 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 32 states and 50 transitions. [2024-11-13 23:28:18,465 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2024-11-13 23:28:18,465 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-13 23:28:18,465 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:28:18,465 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:28:18,465 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:28:18,469 INFO L229 MonitoredProcess]: Starting monitored process 1456 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:28:18,470 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1456)] Waiting until timeout for monitored process [2024-11-13 23:28:18,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:28:18,738 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:28:18,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:28:18,780 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-13 23:28:18,780 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:28:19,034 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 14 proven. 2 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2024-11-13 23:28:19,037 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1456)] Ended with exit code 0 [2024-11-13 23:28:19,058 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:28:19,058 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 32 states and 50 transitions. [2024-11-13 23:28:19,058 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2024-11-13 23:28:19,059 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-13 23:28:19,059 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:28:19,059 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:28:19,059 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:28:19,060 INFO L229 MonitoredProcess]: Starting monitored process 1457 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:28:19,061 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1457)] Waiting until timeout for monitored process [2024-11-13 23:28:19,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:28:19,326 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:28:19,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:28:19,360 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-13 23:28:19,361 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:28:19,532 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-13 23:28:19,536 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1457)] Ended with exit code 0 [2024-11-13 23:28:19,539 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:28:19,540 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 32 states and 50 transitions. [2024-11-13 23:28:19,540 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2024-11-13 23:28:19,540 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-13 23:28:19,540 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:28:19,540 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:28:19,540 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:28:19,543 INFO L229 MonitoredProcess]: Starting monitored process 1458 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:28:19,544 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1458)] Waiting until timeout for monitored process [2024-11-13 23:28:19,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:28:19,846 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:28:19,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:28:19,891 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-13 23:28:19,892 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:28:20,158 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 14 proven. 2 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2024-11-13 23:28:20,161 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1458)] Forceful destruction successful, exit code 0 [2024-11-13 23:28:20,178 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:28:20,178 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 32 states and 50 transitions. [2024-11-13 23:28:20,178 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2024-11-13 23:28:20,178 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-13 23:28:20,178 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:28:20,179 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:28:20,179 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:28:20,180 INFO L229 MonitoredProcess]: Starting monitored process 1459 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:28:20,182 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1459)] Waiting until timeout for monitored process [2024-11-13 23:28:20,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:28:20,447 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:28:20,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:28:20,484 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-13 23:28:20,484 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:28:20,613 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-13 23:28:20,616 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1459)] Ended with exit code 0 [2024-11-13 23:28:20,618 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:28:20,618 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 32 states and 50 transitions. [2024-11-13 23:28:20,618 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2024-11-13 23:28:20,619 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-13 23:28:20,619 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:28:20,619 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:28:20,619 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:28:20,620 INFO L229 MonitoredProcess]: Starting monitored process 1460 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:28:20,622 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1460)] Waiting until timeout for monitored process [2024-11-13 23:28:20,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:28:20,890 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:28:20,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:28:20,952 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-13 23:28:20,953 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:28:21,082 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-13 23:28:21,085 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1460)] Ended with exit code 0 [2024-11-13 23:28:21,087 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:28:21,087 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 32 states and 50 transitions. [2024-11-13 23:28:21,087 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2024-11-13 23:28:21,087 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-13 23:28:21,087 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:28:21,087 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:28:21,087 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:28:21,089 INFO L229 MonitoredProcess]: Starting monitored process 1461 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:28:21,090 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1461)] Waiting until timeout for monitored process [2024-11-13 23:28:21,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:28:21,360 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:28:21,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:28:21,402 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-13 23:28:21,402 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:28:21,525 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-13 23:28:21,528 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1461)] Ended with exit code 0 [2024-11-13 23:28:21,531 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:28:21,531 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 32 states and 50 transitions. [2024-11-13 23:28:21,531 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2024-11-13 23:28:21,531 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-13 23:28:21,531 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:28:21,531 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:28:21,531 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:28:21,533 INFO L229 MonitoredProcess]: Starting monitored process 1462 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:28:21,534 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1462)] Waiting until timeout for monitored process [2024-11-13 23:28:21,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:28:21,800 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:28:21,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:28:21,865 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-13 23:28:21,866 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:28:22,008 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-13 23:28:22,011 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1462)] Forceful destruction successful, exit code 0 [2024-11-13 23:28:22,014 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:28:22,015 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 32 states and 50 transitions. [2024-11-13 23:28:22,015 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2024-11-13 23:28:22,015 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-13 23:28:22,015 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:28:22,015 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:28:22,015 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:28:22,017 INFO L229 MonitoredProcess]: Starting monitored process 1463 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:28:22,018 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1463)] Waiting until timeout for monitored process [2024-11-13 23:28:22,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:28:22,290 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:28:22,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:28:22,324 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-13 23:28:22,325 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:28:22,462 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-13 23:28:22,465 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1463)] Ended with exit code 0 [2024-11-13 23:28:22,469 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:28:22,469 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 32 states and 50 transitions. [2024-11-13 23:28:22,469 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2024-11-13 23:28:22,469 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-13 23:28:22,469 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:28:22,469 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:28:22,469 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:28:22,471 INFO L229 MonitoredProcess]: Starting monitored process 1464 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:28:22,472 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1464)] Waiting until timeout for monitored process [2024-11-13 23:28:22,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:28:22,748 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:28:22,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:28:22,818 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-13 23:28:22,818 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:28:22,948 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-13 23:28:22,951 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1464)] Ended with exit code 0 [2024-11-13 23:28:22,953 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:28:22,954 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 32 states and 50 transitions. [2024-11-13 23:28:22,954 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2024-11-13 23:28:22,954 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-13 23:28:22,954 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:28:22,954 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:28:22,954 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:28:22,956 INFO L229 MonitoredProcess]: Starting monitored process 1465 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:28:22,957 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1465)] Waiting until timeout for monitored process [2024-11-13 23:28:23,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:28:23,230 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:28:23,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:28:23,266 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-13 23:28:23,267 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:28:23,409 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-13 23:28:23,411 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1465)] Ended with exit code 0 [2024-11-13 23:28:23,414 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:28:23,414 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 32 states and 50 transitions. [2024-11-13 23:28:23,414 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2024-11-13 23:28:23,415 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-13 23:28:23,415 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:28:23,415 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:28:23,415 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:28:23,416 INFO L229 MonitoredProcess]: Starting monitored process 1466 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:28:23,417 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1466)] Waiting until timeout for monitored process [2024-11-13 23:28:23,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:28:23,691 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:28:23,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:28:23,780 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-13 23:28:23,780 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:28:23,911 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-13 23:28:23,914 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1466)] Ended with exit code 0 [2024-11-13 23:28:23,917 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:28:23,917 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 32 states and 50 transitions. [2024-11-13 23:28:23,918 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2024-11-13 23:28:23,918 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-13 23:28:23,918 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:28:23,918 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:28:23,918 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:28:23,920 INFO L229 MonitoredProcess]: Starting monitored process 1467 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:28:23,921 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1467)] Waiting until timeout for monitored process [2024-11-13 23:28:24,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:28:24,194 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:28:24,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:28:24,244 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-13 23:28:24,245 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:28:24,382 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-13 23:28:24,386 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1467)] Ended with exit code 0 [2024-11-13 23:28:24,388 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:28:24,389 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 32 states and 50 transitions. [2024-11-13 23:28:24,389 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2024-11-13 23:28:24,389 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-13 23:28:24,389 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:28:24,389 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:28:24,389 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:28:24,391 INFO L229 MonitoredProcess]: Starting monitored process 1468 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:28:24,392 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1468)] Waiting until timeout for monitored process [2024-11-13 23:28:24,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:28:24,691 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:28:24,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:28:24,723 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-13 23:28:24,724 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:28:24,845 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-13 23:28:24,847 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1468)] Ended with exit code 0 [2024-11-13 23:28:24,851 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:28:24,851 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 32 states and 50 transitions. [2024-11-13 23:28:24,851 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2024-11-13 23:28:24,851 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-13 23:28:24,851 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:28:24,851 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:28:24,851 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:28:24,853 INFO L229 MonitoredProcess]: Starting monitored process 1469 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:28:24,854 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1469)] Waiting until timeout for monitored process [2024-11-13 23:28:25,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:28:25,124 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:28:25,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:28:25,163 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-13 23:28:25,163 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:28:25,440 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 14 proven. 2 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2024-11-13 23:28:25,443 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1469)] Ended with exit code 0 [2024-11-13 23:28:25,460 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:28:25,460 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 32 states and 50 transitions. [2024-11-13 23:28:25,460 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2024-11-13 23:28:25,461 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-13 23:28:25,461 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:28:25,461 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:28:25,461 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:28:25,462 INFO L229 MonitoredProcess]: Starting monitored process 1470 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:28:25,463 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1470)] Waiting until timeout for monitored process [2024-11-13 23:28:25,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:28:25,735 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:28:25,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:28:25,820 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-13 23:28:25,821 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:28:25,965 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-13 23:28:25,967 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1470)] Ended with exit code 0 [2024-11-13 23:28:25,970 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:28:25,970 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 32 states and 50 transitions. [2024-11-13 23:28:25,970 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2024-11-13 23:28:25,971 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-13 23:28:25,971 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:28:25,971 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:28:25,971 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:28:25,972 INFO L229 MonitoredProcess]: Starting monitored process 1471 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:28:25,973 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1471)] Waiting until timeout for monitored process [2024-11-13 23:28:26,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:28:26,245 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:28:26,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:28:26,280 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-13 23:28:26,281 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:28:26,421 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-13 23:28:26,425 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1471)] Ended with exit code 0 [2024-11-13 23:28:26,427 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:28:26,427 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 32 states and 50 transitions. [2024-11-13 23:28:26,427 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2024-11-13 23:28:26,427 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-13 23:28:26,427 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:28:26,427 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:28:26,427 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:28:26,429 INFO L229 MonitoredProcess]: Starting monitored process 1472 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:28:26,430 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1472)] Waiting until timeout for monitored process [2024-11-13 23:28:26,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:28:26,699 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:28:26,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:28:26,771 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-13 23:28:26,772 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:28:26,907 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-13 23:28:26,910 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1472)] Ended with exit code 0 [2024-11-13 23:28:26,913 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:28:26,913 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 32 states and 50 transitions. [2024-11-13 23:28:26,913 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2024-11-13 23:28:26,914 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-13 23:28:26,914 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:28:26,914 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:28:26,914 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:28:26,916 INFO L229 MonitoredProcess]: Starting monitored process 1473 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:28:26,917 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1473)] Waiting until timeout for monitored process [2024-11-13 23:28:27,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:28:27,192 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:28:27,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:28:27,232 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-13 23:28:27,232 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:28:27,523 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 14 proven. 2 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2024-11-13 23:28:27,525 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1473)] Ended with exit code 0 [2024-11-13 23:28:27,540 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:28:27,540 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 32 states and 50 transitions. [2024-11-13 23:28:27,540 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2024-11-13 23:28:27,540 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-13 23:28:27,541 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:28:27,541 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:28:27,541 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:28:27,542 INFO L229 MonitoredProcess]: Starting monitored process 1474 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:28:27,543 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1474)] Waiting until timeout for monitored process [2024-11-13 23:28:27,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:28:27,812 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:28:27,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:28:27,848 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-13 23:28:27,849 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:28:27,981 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-13 23:28:27,984 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1474)] Ended with exit code 0 [2024-11-13 23:28:27,987 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:28:27,987 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 32 states and 50 transitions. [2024-11-13 23:28:27,987 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2024-11-13 23:28:27,987 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-13 23:28:27,987 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:28:27,988 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:28:27,988 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:28:27,989 INFO L229 MonitoredProcess]: Starting monitored process 1475 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:28:27,990 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1475)] Waiting until timeout for monitored process [2024-11-13 23:28:28,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:28:28,285 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:28:28,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:28:28,333 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-13 23:28:28,334 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:28:28,467 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-13 23:28:28,471 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1475)] Ended with exit code 0 [2024-11-13 23:28:28,474 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:28:28,474 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 32 states and 50 transitions. [2024-11-13 23:28:28,474 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2024-11-13 23:28:28,474 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-13 23:28:28,474 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:28:28,474 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:28:28,474 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:28:28,476 INFO L229 MonitoredProcess]: Starting monitored process 1476 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:28:28,477 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1476)] Waiting until timeout for monitored process [2024-11-13 23:28:28,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:28:28,749 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:28:28,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:28:28,823 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-13 23:28:28,823 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:28:28,964 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-13 23:28:28,967 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1476)] Ended with exit code 0 [2024-11-13 23:28:28,971 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:28:28,971 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 32 states and 50 transitions. [2024-11-13 23:28:28,971 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2024-11-13 23:28:28,971 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-13 23:28:28,971 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:28:28,972 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:28:28,972 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:28:28,973 INFO L229 MonitoredProcess]: Starting monitored process 1477 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:28:28,974 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1477)] Waiting until timeout for monitored process [2024-11-13 23:28:29,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:28:29,248 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:28:29,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:28:29,290 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-13 23:28:29,291 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:28:29,629 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 14 proven. 2 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2024-11-13 23:28:29,632 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1477)] Forceful destruction successful, exit code 0 [2024-11-13 23:28:29,655 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:28:29,655 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 32 states and 50 transitions. [2024-11-13 23:28:29,655 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2024-11-13 23:28:29,655 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-13 23:28:29,655 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:28:29,655 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:28:29,655 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:28:29,657 INFO L229 MonitoredProcess]: Starting monitored process 1478 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:28:29,658 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1478)] Waiting until timeout for monitored process [2024-11-13 23:28:29,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:28:29,950 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:28:29,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:28:29,990 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-13 23:28:29,991 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:28:30,128 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-13 23:28:30,131 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1478)] Ended with exit code 0 [2024-11-13 23:28:30,134 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:28:30,134 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 32 states and 50 transitions. [2024-11-13 23:28:30,134 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2024-11-13 23:28:30,134 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-13 23:28:30,134 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:28:30,134 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:28:30,134 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:28:30,136 INFO L229 MonitoredProcess]: Starting monitored process 1479 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:28:30,137 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1479)] Waiting until timeout for monitored process [2024-11-13 23:28:30,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:28:30,444 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:28:30,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:28:30,509 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-13 23:28:30,509 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:28:30,635 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-13 23:28:30,639 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1479)] Ended with exit code 0 [2024-11-13 23:28:30,641 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:28:30,641 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 32 states and 50 transitions. [2024-11-13 23:28:30,641 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2024-11-13 23:28:30,641 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-13 23:28:30,641 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:28:30,641 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:28:30,642 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:28:30,643 INFO L229 MonitoredProcess]: Starting monitored process 1480 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:28:30,644 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1480)] Waiting until timeout for monitored process [2024-11-13 23:28:30,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:28:30,936 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:28:30,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:28:30,979 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-13 23:28:30,979 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:28:31,237 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 14 proven. 2 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2024-11-13 23:28:31,240 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1480)] Forceful destruction successful, exit code 0 [2024-11-13 23:28:31,255 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:28:31,255 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 32 states and 50 transitions. [2024-11-13 23:28:31,255 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2024-11-13 23:28:31,255 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-13 23:28:31,255 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:28:31,256 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:28:31,256 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:28:31,257 INFO L229 MonitoredProcess]: Starting monitored process 1481 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:28:31,258 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1481)] Waiting until timeout for monitored process [2024-11-13 23:28:31,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:28:31,524 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:28:31,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:28:31,597 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-13 23:28:31,598 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:28:31,729 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-13 23:28:31,732 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1481)] Forceful destruction successful, exit code 0 [2024-11-13 23:28:31,735 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:28:31,735 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 32 states and 50 transitions. [2024-11-13 23:28:31,735 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2024-11-13 23:28:31,735 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-13 23:28:31,735 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:28:31,735 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:28:31,735 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:28:31,737 INFO L229 MonitoredProcess]: Starting monitored process 1482 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:28:31,738 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1482)] Waiting until timeout for monitored process [2024-11-13 23:28:32,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:28:32,011 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:28:32,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:28:32,049 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-13 23:28:32,049 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:28:32,177 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-13 23:28:32,180 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1482)] Ended with exit code 0 [2024-11-13 23:28:32,182 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:28:32,183 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 32 states and 50 transitions. [2024-11-13 23:28:32,183 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2024-11-13 23:28:32,183 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-13 23:28:32,183 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:28:32,183 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:28:32,183 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:28:32,185 INFO L229 MonitoredProcess]: Starting monitored process 1483 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:28:32,186 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1483)] Waiting until timeout for monitored process [2024-11-13 23:28:32,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:28:32,458 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:28:32,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:28:32,495 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-13 23:28:32,496 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:28:32,622 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-13 23:28:32,624 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1483)] Ended with exit code 0 [2024-11-13 23:28:32,627 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:28:32,627 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 32 states and 50 transitions. [2024-11-13 23:28:32,627 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2024-11-13 23:28:32,627 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-13 23:28:32,627 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:28:32,627 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:28:32,627 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:28:32,629 INFO L229 MonitoredProcess]: Starting monitored process 1484 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:28:32,630 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1484)] Waiting until timeout for monitored process [2024-11-13 23:28:32,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:28:32,902 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:28:32,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:28:32,937 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-13 23:28:32,938 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:28:33,075 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-13 23:28:33,078 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1484)] Ended with exit code 0 [2024-11-13 23:28:33,081 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:28:33,081 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 32 states and 50 transitions. [2024-11-13 23:28:33,081 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2024-11-13 23:28:33,081 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-13 23:28:33,081 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:28:33,081 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:28:33,081 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:28:33,083 INFO L229 MonitoredProcess]: Starting monitored process 1485 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:28:33,084 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1485)] Waiting until timeout for monitored process [2024-11-13 23:28:33,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:28:33,360 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:28:33,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:28:33,395 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-13 23:28:33,396 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:28:33,521 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-13 23:28:33,525 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1485)] Forceful destruction successful, exit code 0 [2024-11-13 23:28:33,527 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:28:33,528 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 32 states and 50 transitions. [2024-11-13 23:28:33,528 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2024-11-13 23:28:33,528 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-13 23:28:33,528 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:28:33,528 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:28:33,528 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:28:33,530 INFO L229 MonitoredProcess]: Starting monitored process 1486 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:28:33,531 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1486)] Waiting until timeout for monitored process [2024-11-13 23:28:33,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:28:33,805 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:28:33,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:28:33,845 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-13 23:28:33,845 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:28:33,976 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-13 23:28:33,979 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1486)] Ended with exit code 0 [2024-11-13 23:28:33,982 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:28:33,982 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 32 states and 50 transitions. [2024-11-13 23:28:33,982 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2024-11-13 23:28:33,982 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-13 23:28:33,982 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:28:33,982 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:28:33,982 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:28:33,984 INFO L229 MonitoredProcess]: Starting monitored process 1487 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:28:33,985 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1487)] Waiting until timeout for monitored process [2024-11-13 23:28:34,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:28:34,257 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:28:34,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:28:34,298 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-13 23:28:34,298 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:28:34,556 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 14 proven. 2 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2024-11-13 23:28:34,559 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1487)] Ended with exit code 0 [2024-11-13 23:28:34,578 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:28:34,579 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 32 states and 50 transitions. [2024-11-13 23:28:34,579 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2024-11-13 23:28:34,579 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-13 23:28:34,579 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:28:34,579 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:28:34,579 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:28:34,580 INFO L229 MonitoredProcess]: Starting monitored process 1488 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:28:34,581 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1488)] Waiting until timeout for monitored process [2024-11-13 23:28:34,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:28:34,849 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:28:34,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:28:34,891 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-13 23:28:34,891 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:28:35,161 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 14 proven. 2 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2024-11-13 23:28:35,164 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1488)] Ended with exit code 0 [2024-11-13 23:28:35,182 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:28:35,182 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 32 states and 50 transitions. [2024-11-13 23:28:35,182 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2024-11-13 23:28:35,182 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-13 23:28:35,182 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:28:35,182 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:28:35,182 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:28:35,184 INFO L229 MonitoredProcess]: Starting monitored process 1489 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:28:35,185 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1489)] Waiting until timeout for monitored process [2024-11-13 23:28:35,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:28:35,479 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:28:35,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:28:35,514 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-13 23:28:35,514 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:28:35,650 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-13 23:28:35,653 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1489)] Ended with exit code 0 [2024-11-13 23:28:35,655 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:28:35,656 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 32 states and 50 transitions. [2024-11-13 23:28:35,656 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2024-11-13 23:28:35,656 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-13 23:28:35,656 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:28:35,656 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:28:35,656 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:28:35,658 INFO L229 MonitoredProcess]: Starting monitored process 1490 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:28:35,659 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1490)] Waiting until timeout for monitored process [2024-11-13 23:28:35,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:28:35,919 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:28:35,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:28:35,959 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-13 23:28:35,960 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:28:36,235 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 14 proven. 2 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2024-11-13 23:28:36,238 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1490)] Ended with exit code 0 [2024-11-13 23:28:36,257 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:28:36,257 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 32 states and 50 transitions. [2024-11-13 23:28:36,257 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2024-11-13 23:28:36,257 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-13 23:28:36,257 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:28:36,257 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:28:36,257 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:28:36,259 INFO L229 MonitoredProcess]: Starting monitored process 1491 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:28:36,260 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1491)] Waiting until timeout for monitored process [2024-11-13 23:28:36,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:28:36,570 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:28:36,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:28:36,657 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-13 23:28:36,658 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:28:36,781 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-13 23:28:36,784 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1491)] Forceful destruction successful, exit code 0 [2024-11-13 23:28:36,787 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:28:36,787 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 32 states and 50 transitions. [2024-11-13 23:28:36,787 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2024-11-13 23:28:36,787 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-13 23:28:36,787 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:28:36,787 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:28:36,787 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:28:36,789 INFO L229 MonitoredProcess]: Starting monitored process 1492 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:28:36,790 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1492)] Waiting until timeout for monitored process [2024-11-13 23:28:37,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:28:37,062 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:28:37,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:28:37,135 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-13 23:28:37,136 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:28:37,264 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-13 23:28:37,267 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1492)] Ended with exit code 0 [2024-11-13 23:28:37,270 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:28:37,271 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 32 states and 50 transitions. [2024-11-13 23:28:37,271 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2024-11-13 23:28:37,271 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-13 23:28:37,271 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:28:37,271 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:28:37,271 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:28:37,273 INFO L229 MonitoredProcess]: Starting monitored process 1493 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:28:37,274 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1493)] Waiting until timeout for monitored process [2024-11-13 23:28:37,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:28:37,565 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:28:37,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:28:37,599 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-13 23:28:37,599 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:28:37,766 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-13 23:28:37,769 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1493)] Ended with exit code 0 [2024-11-13 23:28:37,771 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:28:37,771 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 32 states and 50 transitions. [2024-11-13 23:28:37,771 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2024-11-13 23:28:37,771 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-13 23:28:37,771 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:28:37,771 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:28:37,771 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:28:37,773 INFO L229 MonitoredProcess]: Starting monitored process 1494 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:28:37,774 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1494)] Waiting until timeout for monitored process [2024-11-13 23:28:38,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:28:38,073 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:28:38,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:28:38,123 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-13 23:28:38,124 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:28:38,280 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-13 23:28:38,283 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1494)] Ended with exit code 0 [2024-11-13 23:28:38,285 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:28:38,286 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 32 states and 50 transitions. [2024-11-13 23:28:38,286 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2024-11-13 23:28:38,286 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-13 23:28:38,286 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:28:38,286 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:28:38,286 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:28:38,288 INFO L229 MonitoredProcess]: Starting monitored process 1495 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:28:38,288 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1495)] Waiting until timeout for monitored process [2024-11-13 23:28:38,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:28:38,559 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:28:38,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:28:38,594 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-13 23:28:38,595 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:28:38,722 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-13 23:28:38,725 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1495)] Forceful destruction successful, exit code 0 [2024-11-13 23:28:38,728 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:28:38,728 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 32 states and 50 transitions. [2024-11-13 23:28:38,728 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2024-11-13 23:28:38,728 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-13 23:28:38,728 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:28:38,728 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:28:38,728 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:28:38,730 INFO L229 MonitoredProcess]: Starting monitored process 1496 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:28:38,731 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1496)] Waiting until timeout for monitored process [2024-11-13 23:28:39,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:28:39,005 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:28:39,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:28:39,062 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-13 23:28:39,063 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:28:39,206 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-13 23:28:39,210 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1496)] Ended with exit code 0 [2024-11-13 23:28:39,214 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:28:39,214 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 32 states and 50 transitions. [2024-11-13 23:28:39,214 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2024-11-13 23:28:39,214 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-13 23:28:39,214 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:28:39,214 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:28:39,214 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:28:39,216 INFO L229 MonitoredProcess]: Starting monitored process 1497 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:28:39,217 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1497)] Waiting until timeout for monitored process [2024-11-13 23:28:39,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:28:39,581 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:28:39,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:28:39,639 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-13 23:28:39,640 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:28:39,886 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-13 23:28:39,890 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1497)] Ended with exit code 0 [2024-11-13 23:28:39,892 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:28:39,892 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 32 states and 50 transitions. [2024-11-13 23:28:39,892 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2024-11-13 23:28:39,892 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-13 23:28:39,893 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:28:39,893 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:28:39,893 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:28:39,895 INFO L229 MonitoredProcess]: Starting monitored process 1498 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:28:39,896 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1498)] Waiting until timeout for monitored process [2024-11-13 23:28:40,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:28:40,223 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:28:40,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:28:40,266 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-13 23:28:40,267 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:28:40,412 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-13 23:28:40,415 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1498)] Ended with exit code 0 [2024-11-13 23:28:40,418 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:28:40,419 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 32 states and 50 transitions. [2024-11-13 23:28:40,419 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2024-11-13 23:28:40,419 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-13 23:28:40,419 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:28:40,419 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:28:40,419 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:28:40,421 INFO L229 MonitoredProcess]: Starting monitored process 1499 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:28:40,422 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1499)] Waiting until timeout for monitored process [2024-11-13 23:28:40,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:28:40,734 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:28:40,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:28:40,780 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-13 23:28:40,780 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:28:41,056 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 14 proven. 2 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2024-11-13 23:28:41,060 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1499)] Forceful destruction successful, exit code 0 [2024-11-13 23:28:41,079 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:28:41,080 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 32 states and 50 transitions. [2024-11-13 23:28:41,080 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2024-11-13 23:28:41,080 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-13 23:28:41,080 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:28:41,080 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:28:41,080 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:28:41,082 INFO L229 MonitoredProcess]: Starting monitored process 1500 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:28:41,083 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1500)] Waiting until timeout for monitored process [2024-11-13 23:28:41,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:28:41,388 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:28:41,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:28:41,451 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-13 23:28:41,452 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:28:41,595 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-13 23:28:41,599 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1500)] Ended with exit code 0 [2024-11-13 23:28:41,601 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:28:41,601 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 32 states and 50 transitions. [2024-11-13 23:28:41,602 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2024-11-13 23:28:41,602 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-13 23:28:41,602 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:28:41,602 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:28:41,602 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:28:41,604 INFO L229 MonitoredProcess]: Starting monitored process 1501 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:28:41,605 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1501)] Waiting until timeout for monitored process [2024-11-13 23:28:41,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:28:41,949 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:28:42,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:28:42,019 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-13 23:28:42,019 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:28:42,191 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-13 23:28:42,194 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1501)] Ended with exit code 0 [2024-11-13 23:28:42,199 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:28:42,199 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 32 states and 50 transitions. [2024-11-13 23:28:42,199 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2024-11-13 23:28:42,199 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-13 23:28:42,199 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:28:42,199 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:28:42,199 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:28:42,201 INFO L229 MonitoredProcess]: Starting monitored process 1502 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:28:42,203 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1502)] Waiting until timeout for monitored process [2024-11-13 23:28:42,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:28:42,532 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:28:42,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:28:42,576 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-13 23:28:42,577 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:28:42,728 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-13 23:28:42,731 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1502)] Ended with exit code 0 [2024-11-13 23:28:42,733 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:28:42,733 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 32 states and 50 transitions. [2024-11-13 23:28:42,734 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2024-11-13 23:28:42,734 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-13 23:28:42,734 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:28:42,734 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:28:42,734 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:28:42,736 INFO L229 MonitoredProcess]: Starting monitored process 1503 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:28:42,737 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1503)] Waiting until timeout for monitored process [2024-11-13 23:28:43,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:28:43,068 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:28:43,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:28:43,108 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-13 23:28:43,109 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:28:43,250 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-13 23:28:43,253 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1503)] Ended with exit code 0 [2024-11-13 23:28:43,256 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:28:43,256 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 32 states and 50 transitions. [2024-11-13 23:28:43,256 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2024-11-13 23:28:43,256 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-13 23:28:43,256 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:28:43,257 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:28:43,257 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:28:43,258 INFO L229 MonitoredProcess]: Starting monitored process 1504 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:28:43,260 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1504)] Waiting until timeout for monitored process [2024-11-13 23:28:43,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:28:43,572 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:28:43,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:28:43,618 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-13 23:28:43,618 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:28:43,931 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 14 proven. 2 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2024-11-13 23:28:43,934 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1504)] Forceful destruction successful, exit code 0 [2024-11-13 23:28:43,956 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:28:43,956 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 32 states and 50 transitions. [2024-11-13 23:28:43,956 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2024-11-13 23:28:43,956 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-13 23:28:43,956 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:28:43,956 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:28:43,956 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:28:43,958 INFO L229 MonitoredProcess]: Starting monitored process 1505 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:28:43,960 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1505)] Waiting until timeout for monitored process [2024-11-13 23:28:44,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:28:44,270 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:28:44,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:28:44,338 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-13 23:28:44,338 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:28:44,656 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 14 proven. 2 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2024-11-13 23:28:44,660 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1505)] Ended with exit code 0 [2024-11-13 23:28:44,682 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:28:44,682 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 32 states and 50 transitions. [2024-11-13 23:28:44,682 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2024-11-13 23:28:44,682 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-13 23:28:44,682 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:28:44,682 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:28:44,682 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:28:44,684 INFO L229 MonitoredProcess]: Starting monitored process 1506 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:28:44,685 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1506)] Waiting until timeout for monitored process [2024-11-13 23:28:44,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:28:44,947 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:28:44,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:28:44,982 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-13 23:28:44,983 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:28:45,140 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-13 23:28:45,143 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1506)] Ended with exit code 0 [2024-11-13 23:28:45,146 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:28:45,146 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 32 states and 50 transitions. [2024-11-13 23:28:45,146 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2024-11-13 23:28:45,146 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-13 23:28:45,146 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:28:45,146 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:28:45,146 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:28:45,148 INFO L229 MonitoredProcess]: Starting monitored process 1507 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:28:45,149 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1507)] Waiting until timeout for monitored process [2024-11-13 23:28:45,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:28:45,462 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:28:45,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:28:45,502 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-13 23:28:45,503 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:28:45,647 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-13 23:28:45,650 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1507)] Ended with exit code 0 [2024-11-13 23:28:45,652 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:28:45,652 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 32 states and 50 transitions. [2024-11-13 23:28:45,653 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2024-11-13 23:28:45,653 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-13 23:28:45,653 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:28:45,653 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:28:45,653 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:28:45,655 INFO L229 MonitoredProcess]: Starting monitored process 1508 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:28:45,656 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1508)] Waiting until timeout for monitored process [2024-11-13 23:28:45,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:28:45,970 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:28:46,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:28:46,053 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-13 23:28:46,054 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:28:46,184 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-13 23:28:46,186 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1508)] Ended with exit code 0 [2024-11-13 23:28:46,188 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:28:46,188 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 32 states and 50 transitions. [2024-11-13 23:28:46,189 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2024-11-13 23:28:46,189 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-13 23:28:46,189 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:28:46,189 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:28:46,189 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:28:46,190 INFO L229 MonitoredProcess]: Starting monitored process 1509 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:28:46,191 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1509)] Waiting until timeout for monitored process [2024-11-13 23:28:46,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:28:46,430 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:28:46,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:28:46,474 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-13 23:28:46,475 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:28:46,586 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-13 23:28:46,589 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1509)] Ended with exit code 0 [2024-11-13 23:28:46,591 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:28:46,591 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 32 states and 50 transitions. [2024-11-13 23:28:46,592 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2024-11-13 23:28:46,592 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-13 23:28:46,592 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:28:46,592 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:28:46,592 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:28:46,593 INFO L229 MonitoredProcess]: Starting monitored process 1510 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:28:46,594 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1510)] Waiting until timeout for monitored process [2024-11-13 23:28:46,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:28:46,830 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:28:46,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:28:46,875 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-13 23:28:46,876 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:28:46,995 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-13 23:28:46,998 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1510)] Ended with exit code 0 [2024-11-13 23:28:47,000 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:28:47,000 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 32 states and 50 transitions. [2024-11-13 23:28:47,001 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2024-11-13 23:28:47,001 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-13 23:28:47,001 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:28:47,001 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:28:47,001 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:28:47,002 INFO L229 MonitoredProcess]: Starting monitored process 1511 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:28:47,003 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1511)] Waiting until timeout for monitored process [2024-11-13 23:28:47,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:28:47,239 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:28:47,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:28:47,291 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-13 23:28:47,292 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:28:47,400 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-13 23:28:47,403 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1511)] Ended with exit code 0 [2024-11-13 23:28:47,406 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:28:47,406 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 32 states and 50 transitions. [2024-11-13 23:28:47,406 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2024-11-13 23:28:47,406 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-13 23:28:47,406 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:28:47,406 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:28:47,406 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:28:47,407 INFO L229 MonitoredProcess]: Starting monitored process 1512 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:28:47,408 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1512)] Waiting until timeout for monitored process [2024-11-13 23:28:47,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:28:47,646 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:28:47,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:28:47,679 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-13 23:28:47,680 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:28:47,798 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-13 23:28:47,801 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1512)] Ended with exit code 0 [2024-11-13 23:28:47,803 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:28:47,803 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 32 states and 50 transitions. [2024-11-13 23:28:47,803 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2024-11-13 23:28:47,803 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-13 23:28:47,803 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:28:47,803 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:28:47,803 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:28:47,805 INFO L229 MonitoredProcess]: Starting monitored process 1513 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:28:47,805 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1513)] Waiting until timeout for monitored process [2024-11-13 23:28:48,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:28:48,039 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:28:48,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:28:48,075 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-13 23:28:48,075 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:28:48,318 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 14 proven. 2 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2024-11-13 23:28:48,321 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1513)] Ended with exit code 0 [2024-11-13 23:28:48,334 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:28:48,335 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 32 states and 50 transitions. [2024-11-13 23:28:48,335 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2024-11-13 23:28:48,335 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-13 23:28:48,335 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:28:48,335 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:28:48,335 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:28:48,336 INFO L229 MonitoredProcess]: Starting monitored process 1514 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:28:48,337 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1514)] Waiting until timeout for monitored process [2024-11-13 23:28:48,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:28:48,575 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:28:48,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:28:48,619 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-13 23:28:48,619 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:28:48,736 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-13 23:28:48,739 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1514)] Ended with exit code 0 [2024-11-13 23:28:48,741 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:28:48,741 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 32 states and 50 transitions. [2024-11-13 23:28:48,741 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2024-11-13 23:28:48,741 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-13 23:28:48,741 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:28:48,741 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:28:48,741 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:28:48,743 INFO L229 MonitoredProcess]: Starting monitored process 1515 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:28:48,743 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1515)] Waiting until timeout for monitored process [2024-11-13 23:28:48,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:28:48,982 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:28:49,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:28:49,012 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-13 23:28:49,012 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:28:49,159 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-13 23:28:49,162 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1515)] Ended with exit code 0 [2024-11-13 23:28:49,223 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:28:49,223 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 32 states and 50 transitions. [2024-11-13 23:28:49,223 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2024-11-13 23:28:49,223 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-13 23:28:49,224 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:28:49,224 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:28:49,224 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:28:49,225 INFO L229 MonitoredProcess]: Starting monitored process 1516 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:28:49,226 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1516)] Waiting until timeout for monitored process [2024-11-13 23:28:49,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:28:49,464 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:28:49,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:28:49,511 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-13 23:28:49,512 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:28:49,676 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-13 23:28:49,679 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1516)] Ended with exit code 0 [2024-11-13 23:28:49,681 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:28:49,681 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 32 states and 50 transitions. [2024-11-13 23:28:49,681 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2024-11-13 23:28:49,681 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-13 23:28:49,681 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:28:49,681 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:28:49,681 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:28:49,683 INFO L229 MonitoredProcess]: Starting monitored process 1517 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:28:49,684 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1517)] Waiting until timeout for monitored process [2024-11-13 23:28:49,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:28:49,938 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:28:49,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:28:49,974 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-13 23:28:49,975 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:28:50,214 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 14 proven. 2 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2024-11-13 23:28:50,217 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1517)] Ended with exit code 0 [2024-11-13 23:28:50,233 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:28:50,233 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 32 states and 50 transitions. [2024-11-13 23:28:50,233 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2024-11-13 23:28:50,234 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-13 23:28:50,234 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:28:50,234 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:28:50,234 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:28:50,235 INFO L229 MonitoredProcess]: Starting monitored process 1518 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:28:50,236 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1518)] Waiting until timeout for monitored process [2024-11-13 23:28:50,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:28:50,472 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:28:50,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:28:50,505 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-13 23:28:50,505 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:28:50,615 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-13 23:28:50,618 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1518)] Ended with exit code 0 [2024-11-13 23:28:50,620 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:28:50,620 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 32 states and 50 transitions. [2024-11-13 23:28:50,620 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2024-11-13 23:28:50,620 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-13 23:28:50,620 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:28:50,620 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:28:50,620 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:28:50,622 INFO L229 MonitoredProcess]: Starting monitored process 1519 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:28:50,622 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1519)] Waiting until timeout for monitored process [2024-11-13 23:28:50,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:28:50,858 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:28:50,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:28:50,893 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-13 23:28:50,894 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:28:51,023 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-13 23:28:51,026 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1519)] Ended with exit code 0 [2024-11-13 23:28:51,027 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:28:51,028 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 32 states and 50 transitions. [2024-11-13 23:28:51,028 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2024-11-13 23:28:51,028 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-13 23:28:51,028 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:28:51,028 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:28:51,028 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:28:51,029 INFO L229 MonitoredProcess]: Starting monitored process 1520 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:28:51,031 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1520)] Waiting until timeout for monitored process [2024-11-13 23:28:51,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:28:51,268 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:28:51,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:28:51,303 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-13 23:28:51,304 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:28:51,532 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 14 proven. 2 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2024-11-13 23:28:51,535 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1520)] Ended with exit code 0 [2024-11-13 23:28:51,550 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:28:51,550 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 32 states and 50 transitions. [2024-11-13 23:28:51,550 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2024-11-13 23:28:51,550 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-13 23:28:51,550 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:28:51,550 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:28:51,550 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:28:51,552 INFO L229 MonitoredProcess]: Starting monitored process 1521 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:28:51,553 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1521)] Waiting until timeout for monitored process [2024-11-13 23:28:51,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:28:51,817 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:28:51,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:28:51,868 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-13 23:28:51,869 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:28:51,993 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-13 23:28:51,996 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1521)] Ended with exit code 0 [2024-11-13 23:28:51,997 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:28:51,998 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 32 states and 50 transitions. [2024-11-13 23:28:51,998 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2024-11-13 23:28:51,998 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-13 23:28:51,998 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:28:51,998 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:28:51,998 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:28:51,999 INFO L229 MonitoredProcess]: Starting monitored process 1522 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:28:52,000 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1522)] Waiting until timeout for monitored process [2024-11-13 23:28:52,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:28:52,245 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:28:52,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:28:52,293 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-13 23:28:52,293 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:28:52,405 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-13 23:28:52,407 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1522)] Ended with exit code 0 [2024-11-13 23:28:52,409 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:28:52,410 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 32 states and 50 transitions. [2024-11-13 23:28:52,410 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2024-11-13 23:28:52,410 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-13 23:28:52,410 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:28:52,410 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:28:52,410 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:28:52,411 INFO L229 MonitoredProcess]: Starting monitored process 1523 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:28:52,412 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1523)] Waiting until timeout for monitored process [2024-11-13 23:28:52,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:28:52,649 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:28:52,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:28:52,717 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-13 23:28:52,718 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:28:52,839 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-13 23:28:52,842 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1523)] Forceful destruction successful, exit code 0 [2024-11-13 23:28:52,844 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:28:52,844 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 32 states and 50 transitions. [2024-11-13 23:28:52,844 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2024-11-13 23:28:52,844 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-13 23:28:52,844 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:28:52,844 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:28:52,844 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:28:52,846 INFO L229 MonitoredProcess]: Starting monitored process 1524 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:28:52,846 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1524)] Waiting until timeout for monitored process [2024-11-13 23:28:53,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:28:53,079 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:28:53,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:28:53,110 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-13 23:28:53,111 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:28:53,215 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-13 23:28:53,218 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1524)] Ended with exit code 0 [2024-11-13 23:28:53,220 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:28:53,220 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 32 states and 50 transitions. [2024-11-13 23:28:53,220 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2024-11-13 23:28:53,220 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-13 23:28:53,220 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:28:53,220 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:28:53,220 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:28:53,221 INFO L229 MonitoredProcess]: Starting monitored process 1525 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:28:53,222 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1525)] Waiting until timeout for monitored process [2024-11-13 23:28:53,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:28:53,455 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:28:53,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:28:53,507 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-13 23:28:53,508 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:28:53,618 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-13 23:28:53,621 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1525)] Ended with exit code 0 [2024-11-13 23:28:53,622 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:28:53,623 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 32 states and 50 transitions. [2024-11-13 23:28:53,623 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2024-11-13 23:28:53,623 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-13 23:28:53,623 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:28:53,623 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:28:53,623 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:28:53,624 INFO L229 MonitoredProcess]: Starting monitored process 1526 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:28:53,626 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1526)] Waiting until timeout for monitored process [2024-11-13 23:28:53,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:28:53,853 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:28:53,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:28:53,927 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-13 23:28:53,928 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:28:54,054 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-13 23:28:54,057 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1526)] Ended with exit code 0 [2024-11-13 23:28:54,059 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:28:54,059 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 32 states and 50 transitions. [2024-11-13 23:28:54,059 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2024-11-13 23:28:54,059 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-13 23:28:54,059 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:28:54,059 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:28:54,059 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:28:54,061 INFO L229 MonitoredProcess]: Starting monitored process 1527 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:28:54,064 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1527)] Waiting until timeout for monitored process [2024-11-13 23:28:54,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:28:54,295 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:28:54,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:28:54,328 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-13 23:28:54,328 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:28:54,439 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-13 23:28:54,441 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1527)] Ended with exit code 0 [2024-11-13 23:28:54,443 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:28:54,444 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 32 states and 50 transitions. [2024-11-13 23:28:54,444 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2024-11-13 23:28:54,444 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-13 23:28:54,444 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:28:54,444 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:28:54,444 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:28:54,445 INFO L229 MonitoredProcess]: Starting monitored process 1528 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:28:54,446 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1528)] Waiting until timeout for monitored process [2024-11-13 23:28:54,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:28:54,717 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:28:54,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:28:54,763 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-13 23:28:54,763 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:28:54,875 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-13 23:28:54,878 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1528)] Ended with exit code 0 [2024-11-13 23:28:54,880 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:28:54,880 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 32 states and 50 transitions. [2024-11-13 23:28:54,880 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2024-11-13 23:28:54,880 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-13 23:28:54,880 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:28:54,880 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:28:54,880 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:28:54,882 INFO L229 MonitoredProcess]: Starting monitored process 1529 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:28:54,882 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1529)] Waiting until timeout for monitored process [2024-11-13 23:28:55,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:28:55,111 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:28:55,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:28:55,169 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-13 23:28:55,170 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:28:55,277 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-13 23:28:55,279 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1529)] Forceful destruction successful, exit code 0 [2024-11-13 23:28:55,282 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:28:55,282 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 32 states and 50 transitions. [2024-11-13 23:28:55,282 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2024-11-13 23:28:55,282 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-13 23:28:55,282 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:28:55,282 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:28:55,282 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:28:55,284 INFO L229 MonitoredProcess]: Starting monitored process 1530 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:28:55,285 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1530)] Waiting until timeout for monitored process [2024-11-13 23:28:55,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:28:55,521 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:28:55,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:28:55,579 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-13 23:28:55,580 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:28:55,689 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-13 23:28:55,692 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1530)] Forceful destruction successful, exit code 0 [2024-11-13 23:28:55,694 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:28:55,694 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 32 states and 50 transitions. [2024-11-13 23:28:55,694 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2024-11-13 23:28:55,694 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-13 23:28:55,694 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:28:55,694 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:28:55,694 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:28:55,695 INFO L229 MonitoredProcess]: Starting monitored process 1531 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:28:55,696 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1531)] Waiting until timeout for monitored process [2024-11-13 23:28:55,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:28:55,930 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:28:56,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:28:56,007 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-13 23:28:56,008 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:28:56,116 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-13 23:28:56,119 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1531)] Ended with exit code 0 [2024-11-13 23:28:56,121 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:28:56,121 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 32 states and 50 transitions. [2024-11-13 23:28:56,121 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2024-11-13 23:28:56,121 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-13 23:28:56,121 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:28:56,121 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:28:56,121 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:28:56,122 INFO L229 MonitoredProcess]: Starting monitored process 1532 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:28:56,123 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1532)] Waiting until timeout for monitored process [2024-11-13 23:28:56,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:28:56,359 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:28:56,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:28:56,390 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-13 23:28:56,391 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:28:56,502 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-13 23:28:56,505 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1532)] Ended with exit code 0 [2024-11-13 23:28:56,508 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:28:56,508 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 32 states and 50 transitions. [2024-11-13 23:28:56,508 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2024-11-13 23:28:56,508 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-13 23:28:56,508 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:28:56,508 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:28:56,508 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:28:56,510 INFO L229 MonitoredProcess]: Starting monitored process 1533 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:28:56,510 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1533)] Waiting until timeout for monitored process [2024-11-13 23:28:56,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:28:56,745 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:28:56,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:28:56,789 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-13 23:28:56,790 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:28:56,903 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-13 23:28:56,905 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1533)] Ended with exit code 0 [2024-11-13 23:28:56,907 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:28:56,908 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 32 states and 50 transitions. [2024-11-13 23:28:56,908 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2024-11-13 23:28:56,908 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-13 23:28:56,908 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:28:56,908 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:28:56,908 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:28:56,909 INFO L229 MonitoredProcess]: Starting monitored process 1534 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:28:56,910 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1534)] Waiting until timeout for monitored process [2024-11-13 23:28:57,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:28:57,144 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:28:57,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:28:57,214 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-13 23:28:57,214 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:28:57,336 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-13 23:28:57,338 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1534)] Ended with exit code 0 [2024-11-13 23:28:57,341 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:28:57,341 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 32 states and 50 transitions. [2024-11-13 23:28:57,341 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2024-11-13 23:28:57,341 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-13 23:28:57,341 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:28:57,341 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:28:57,341 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:28:57,343 INFO L229 MonitoredProcess]: Starting monitored process 1535 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:28:57,343 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1535)] Waiting until timeout for monitored process [2024-11-13 23:28:57,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:28:57,581 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:28:57,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:28:57,612 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-13 23:28:57,613 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:28:57,720 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-13 23:28:57,723 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1535)] Ended with exit code 0 [2024-11-13 23:28:57,725 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:28:57,725 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 32 states and 50 transitions. [2024-11-13 23:28:57,725 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2024-11-13 23:28:57,725 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-13 23:28:57,725 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:28:57,726 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:28:57,726 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:28:57,727 INFO L229 MonitoredProcess]: Starting monitored process 1536 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:28:57,728 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1536)] Waiting until timeout for monitored process [2024-11-13 23:28:57,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:28:57,961 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:28:58,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:28:58,019 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-13 23:28:58,019 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:28:58,136 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-13 23:28:58,139 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1536)] Ended with exit code 0 [2024-11-13 23:28:58,141 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:28:58,141 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 32 states and 50 transitions. [2024-11-13 23:28:58,141 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2024-11-13 23:28:58,141 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-13 23:28:58,141 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:28:58,141 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:28:58,141 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:28:58,143 INFO L229 MonitoredProcess]: Starting monitored process 1537 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:28:58,144 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1537)] Waiting until timeout for monitored process [2024-11-13 23:28:58,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:28:58,377 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:28:58,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:28:58,409 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-13 23:28:58,410 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:28:58,521 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-13 23:28:58,523 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1537)] Ended with exit code 0 [2024-11-13 23:28:58,525 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:28:58,525 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 32 states and 50 transitions. [2024-11-13 23:28:58,525 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2024-11-13 23:28:58,526 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-13 23:28:58,526 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:28:58,526 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:28:58,526 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:28:58,527 INFO L229 MonitoredProcess]: Starting monitored process 1538 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:28:58,528 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1538)] Waiting until timeout for monitored process [2024-11-13 23:28:58,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:28:58,765 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:28:58,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:28:58,796 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-13 23:28:58,796 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:28:58,910 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-13 23:28:58,913 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1538)] Ended with exit code 0 [2024-11-13 23:28:58,915 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:28:58,915 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 32 states and 50 transitions. [2024-11-13 23:28:58,915 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2024-11-13 23:28:58,915 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-13 23:28:58,915 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:28:58,915 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:28:58,915 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:28:58,917 INFO L229 MonitoredProcess]: Starting monitored process 1539 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:28:58,918 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1539)] Waiting until timeout for monitored process [2024-11-13 23:28:59,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:28:59,157 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:28:59,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:28:59,205 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-13 23:28:59,206 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:28:59,320 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-13 23:28:59,323 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1539)] Forceful destruction successful, exit code 0 [2024-11-13 23:28:59,325 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:28:59,325 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 32 states and 50 transitions. [2024-11-13 23:28:59,325 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2024-11-13 23:28:59,325 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-13 23:28:59,325 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:28:59,325 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:28:59,325 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:28:59,326 INFO L229 MonitoredProcess]: Starting monitored process 1540 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:28:59,328 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1540)] Waiting until timeout for monitored process [2024-11-13 23:28:59,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:28:59,654 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:28:59,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:28:59,738 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-13 23:28:59,739 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:28:59,876 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-13 23:28:59,879 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1540)] Forceful destruction successful, exit code 0 [2024-11-13 23:28:59,880 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:28:59,881 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 32 states and 50 transitions. [2024-11-13 23:28:59,881 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2024-11-13 23:28:59,881 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-13 23:28:59,881 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:28:59,881 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:28:59,881 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:28:59,882 INFO L229 MonitoredProcess]: Starting monitored process 1541 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:28:59,884 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1541)] Waiting until timeout for monitored process [2024-11-13 23:29:00,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:29:00,114 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:29:00,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:29:00,157 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-13 23:29:00,157 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:29:00,269 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-13 23:29:00,271 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1541)] Ended with exit code 0 [2024-11-13 23:29:00,274 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:29:00,274 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 32 states and 50 transitions. [2024-11-13 23:29:00,274 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2024-11-13 23:29:00,274 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-13 23:29:00,274 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:29:00,274 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:29:00,274 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:29:00,276 INFO L229 MonitoredProcess]: Starting monitored process 1542 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:29:00,276 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1542)] Waiting until timeout for monitored process [2024-11-13 23:29:00,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:29:00,509 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:29:00,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:29:00,544 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-13 23:29:00,544 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:29:00,659 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-13 23:29:00,661 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1542)] Ended with exit code 0 [2024-11-13 23:29:00,664 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:29:00,664 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 32 states and 50 transitions. [2024-11-13 23:29:00,664 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2024-11-13 23:29:00,664 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-13 23:29:00,664 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:29:00,664 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:29:00,664 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:29:00,666 INFO L229 MonitoredProcess]: Starting monitored process 1543 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:29:00,666 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1543)] Waiting until timeout for monitored process [2024-11-13 23:29:00,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:29:00,899 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:29:00,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:29:00,936 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-13 23:29:00,937 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:29:01,169 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 14 proven. 2 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2024-11-13 23:29:01,172 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1543)] Ended with exit code 0 [2024-11-13 23:29:01,190 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:29:01,191 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 32 states and 50 transitions. [2024-11-13 23:29:01,191 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2024-11-13 23:29:01,191 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-13 23:29:01,191 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:29:01,191 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:29:01,191 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:29:01,192 INFO L229 MonitoredProcess]: Starting monitored process 1544 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:29:01,193 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1544)] Waiting until timeout for monitored process [2024-11-13 23:29:01,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:29:01,426 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:29:01,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:29:01,458 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-13 23:29:01,459 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:29:01,570 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-13 23:29:01,572 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1544)] Ended with exit code 0 [2024-11-13 23:29:01,574 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:29:01,575 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 32 states and 50 transitions. [2024-11-13 23:29:01,575 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2024-11-13 23:29:01,575 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-13 23:29:01,575 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:29:01,575 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:29:01,575 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:29:01,576 INFO L229 MonitoredProcess]: Starting monitored process 1545 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:29:01,577 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1545)] Waiting until timeout for monitored process [2024-11-13 23:29:01,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:29:01,812 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:29:01,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:29:01,847 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-13 23:29:01,847 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:29:01,964 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-13 23:29:01,967 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1545)] Ended with exit code 0 [2024-11-13 23:29:01,969 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:29:01,969 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 32 states and 50 transitions. [2024-11-13 23:29:01,969 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2024-11-13 23:29:01,969 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-13 23:29:01,969 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:29:01,969 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:29:01,969 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:29:01,971 INFO L229 MonitoredProcess]: Starting monitored process 1546 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:29:01,972 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1546)] Waiting until timeout for monitored process [2024-11-13 23:29:02,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:29:02,203 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:29:02,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:29:02,259 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-13 23:29:02,260 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:29:02,371 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-13 23:29:02,374 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1546)] Ended with exit code 0 [2024-11-13 23:29:02,376 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:29:02,376 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 32 states and 50 transitions. [2024-11-13 23:29:02,376 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2024-11-13 23:29:02,376 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-13 23:29:02,376 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:29:02,376 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:29:02,376 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:29:02,378 INFO L229 MonitoredProcess]: Starting monitored process 1547 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:29:02,378 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1547)] Waiting until timeout for monitored process [2024-11-13 23:29:02,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:29:02,614 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:29:02,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:29:02,646 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-13 23:29:02,647 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:29:02,764 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-13 23:29:02,766 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1547)] Ended with exit code 0 [2024-11-13 23:29:02,769 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:29:02,769 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 32 states and 50 transitions. [2024-11-13 23:29:02,769 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2024-11-13 23:29:02,769 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-13 23:29:02,769 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:29:02,769 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:29:02,769 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:29:02,771 INFO L229 MonitoredProcess]: Starting monitored process 1548 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:29:02,772 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1548)] Waiting until timeout for monitored process [2024-11-13 23:29:03,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:29:03,004 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:29:03,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:29:03,041 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-13 23:29:03,042 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:29:03,151 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-13 23:29:03,154 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1548)] Forceful destruction successful, exit code 0 [2024-11-13 23:29:03,156 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:29:03,157 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 32 states and 50 transitions. [2024-11-13 23:29:03,157 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2024-11-13 23:29:03,157 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-13 23:29:03,157 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:29:03,157 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:29:03,157 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:29:03,158 INFO L229 MonitoredProcess]: Starting monitored process 1549 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:29:03,159 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1549)] Waiting until timeout for monitored process [2024-11-13 23:29:03,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:29:03,396 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:29:03,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:29:03,437 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-13 23:29:03,438 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:29:03,553 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-13 23:29:03,556 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1549)] Forceful destruction successful, exit code 0 [2024-11-13 23:29:03,558 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:29:03,558 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 32 states and 50 transitions. [2024-11-13 23:29:03,558 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2024-11-13 23:29:03,558 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-13 23:29:03,558 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:29:03,559 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:29:03,559 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:29:03,560 INFO L229 MonitoredProcess]: Starting monitored process 1550 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:29:03,561 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1550)] Waiting until timeout for monitored process [2024-11-13 23:29:03,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:29:03,794 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:29:03,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:29:03,843 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-13 23:29:03,844 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:29:03,955 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-13 23:29:03,958 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1550)] Ended with exit code 0 [2024-11-13 23:29:03,960 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:29:03,960 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 32 states and 50 transitions. [2024-11-13 23:29:03,960 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2024-11-13 23:29:03,961 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-13 23:29:03,961 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:29:03,961 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:29:03,961 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:29:03,962 INFO L229 MonitoredProcess]: Starting monitored process 1551 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:29:03,963 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1551)] Waiting until timeout for monitored process [2024-11-13 23:29:04,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:29:04,197 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:29:04,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:29:04,227 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-13 23:29:04,228 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:29:04,345 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-13 23:29:04,348 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1551)] Forceful destruction successful, exit code 0 [2024-11-13 23:29:04,350 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:29:04,350 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 32 states and 50 transitions. [2024-11-13 23:29:04,350 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2024-11-13 23:29:04,350 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-13 23:29:04,350 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:29:04,350 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:29:04,350 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:29:04,352 INFO L229 MonitoredProcess]: Starting monitored process 1552 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:29:04,352 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1552)] Waiting until timeout for monitored process [2024-11-13 23:29:04,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:29:04,622 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:29:04,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:29:04,686 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-13 23:29:04,686 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:29:04,795 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-13 23:29:04,798 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1552)] Ended with exit code 0 [2024-11-13 23:29:04,800 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:29:04,800 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 32 states and 50 transitions. [2024-11-13 23:29:04,800 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2024-11-13 23:29:04,800 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-13 23:29:04,800 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:29:04,800 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:29:04,800 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:29:04,802 INFO L229 MonitoredProcess]: Starting monitored process 1553 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:29:04,802 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1553)] Waiting until timeout for monitored process [2024-11-13 23:29:05,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:29:05,041 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:29:05,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:29:05,104 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-13 23:29:05,104 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:29:05,215 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-13 23:29:05,218 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1553)] Ended with exit code 0 [2024-11-13 23:29:05,220 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:29:05,220 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 32 states and 50 transitions. [2024-11-13 23:29:05,220 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2024-11-13 23:29:05,220 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-13 23:29:05,220 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:29:05,221 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:29:05,221 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:29:05,222 INFO L229 MonitoredProcess]: Starting monitored process 1554 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:29:05,223 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1554)] Waiting until timeout for monitored process [2024-11-13 23:29:05,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:29:05,496 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:29:05,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:29:05,530 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-13 23:29:05,531 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:29:05,762 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 14 proven. 2 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2024-11-13 23:29:05,765 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1554)] Ended with exit code 0 [2024-11-13 23:29:05,777 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:29:05,777 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 32 states and 50 transitions. [2024-11-13 23:29:05,777 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2024-11-13 23:29:05,778 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-13 23:29:05,778 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:29:05,778 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:29:05,778 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:29:05,779 INFO L229 MonitoredProcess]: Starting monitored process 1555 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:29:05,780 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1555)] Waiting until timeout for monitored process [2024-11-13 23:29:06,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:29:06,013 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:29:06,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:29:06,055 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-13 23:29:06,056 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:29:06,165 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-13 23:29:06,168 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1555)] Ended with exit code 0 [2024-11-13 23:29:06,170 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:29:06,170 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 32 states and 50 transitions. [2024-11-13 23:29:06,170 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2024-11-13 23:29:06,170 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-13 23:29:06,170 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:29:06,170 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:29:06,170 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:29:06,172 INFO L229 MonitoredProcess]: Starting monitored process 1556 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:29:06,173 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1556)] Waiting until timeout for monitored process [2024-11-13 23:29:06,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:29:06,416 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:29:06,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:29:06,449 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-13 23:29:06,450 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:29:06,560 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-13 23:29:06,562 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1556)] Ended with exit code 0 [2024-11-13 23:29:06,564 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:29:06,564 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 32 states and 50 transitions. [2024-11-13 23:29:06,564 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2024-11-13 23:29:06,564 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-13 23:29:06,564 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:29:06,564 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:29:06,564 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:29:06,566 INFO L229 MonitoredProcess]: Starting monitored process 1557 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:29:06,567 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1557)] Waiting until timeout for monitored process [2024-11-13 23:29:06,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:29:06,799 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:29:06,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:29:06,834 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-13 23:29:06,834 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:29:07,054 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 14 proven. 2 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2024-11-13 23:29:07,057 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1557)] Ended with exit code 0 [2024-11-13 23:29:07,071 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:29:07,071 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 32 states and 50 transitions. [2024-11-13 23:29:07,072 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2024-11-13 23:29:07,072 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-13 23:29:07,072 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:29:07,072 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:29:07,072 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:29:07,073 INFO L229 MonitoredProcess]: Starting monitored process 1558 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:29:07,075 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1558)] Waiting until timeout for monitored process [2024-11-13 23:29:07,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:29:07,307 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:29:07,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:29:07,341 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-13 23:29:07,341 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:29:07,453 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-13 23:29:07,455 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1558)] Ended with exit code 0 [2024-11-13 23:29:07,457 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:29:07,457 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 32 states and 50 transitions. [2024-11-13 23:29:07,457 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2024-11-13 23:29:07,458 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-13 23:29:07,458 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:29:07,458 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:29:07,458 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:29:07,459 INFO L229 MonitoredProcess]: Starting monitored process 1559 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:29:07,460 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1559)] Waiting until timeout for monitored process [2024-11-13 23:29:07,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:29:07,719 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:29:07,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:29:07,753 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-13 23:29:07,754 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:29:07,869 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-13 23:29:07,871 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1559)] Ended with exit code 0 [2024-11-13 23:29:07,874 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:29:07,875 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 32 states and 50 transitions. [2024-11-13 23:29:07,875 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2024-11-13 23:29:07,875 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-13 23:29:07,875 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:29:07,875 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:29:07,875 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:29:07,876 INFO L229 MonitoredProcess]: Starting monitored process 1560 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:29:07,877 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1560)] Waiting until timeout for monitored process [2024-11-13 23:29:08,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:29:08,121 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:29:08,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:29:08,156 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-13 23:29:08,156 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:29:08,381 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 14 proven. 2 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2024-11-13 23:29:08,383 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1560)] Ended with exit code 0 [2024-11-13 23:29:08,397 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:29:08,398 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 32 states and 50 transitions. [2024-11-13 23:29:08,398 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2024-11-13 23:29:08,398 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-13 23:29:08,398 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:29:08,398 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:29:08,398 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:29:08,399 INFO L229 MonitoredProcess]: Starting monitored process 1561 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:29:08,401 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1561)] Waiting until timeout for monitored process [2024-11-13 23:29:08,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:29:08,635 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:29:08,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:29:08,668 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-13 23:29:08,669 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:29:08,780 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-13 23:29:08,783 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1561)] Ended with exit code 0 [2024-11-13 23:29:08,784 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:29:08,785 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 32 states and 50 transitions. [2024-11-13 23:29:08,785 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2024-11-13 23:29:08,785 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-13 23:29:08,785 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:29:08,785 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:29:08,785 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:29:08,786 INFO L229 MonitoredProcess]: Starting monitored process 1562 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:29:08,787 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1562)] Waiting until timeout for monitored process [2024-11-13 23:29:09,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:29:09,022 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:29:09,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:29:09,054 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-13 23:29:09,055 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:29:09,163 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-13 23:29:09,166 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1562)] Ended with exit code 0 [2024-11-13 23:29:09,167 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:29:09,168 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 32 states and 50 transitions. [2024-11-13 23:29:09,168 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2024-11-13 23:29:09,168 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-13 23:29:09,168 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:29:09,168 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:29:09,168 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:29:09,169 INFO L229 MonitoredProcess]: Starting monitored process 1563 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:29:09,170 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1563)] Waiting until timeout for monitored process [2024-11-13 23:29:09,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:29:09,415 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:29:09,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:29:09,448 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-13 23:29:09,448 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:29:09,558 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-13 23:29:09,561 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1563)] Ended with exit code 0 [2024-11-13 23:29:09,564 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:29:09,564 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 32 states and 50 transitions. [2024-11-13 23:29:09,564 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2024-11-13 23:29:09,564 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-13 23:29:09,564 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:29:09,564 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:29:09,564 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:29:09,566 INFO L229 MonitoredProcess]: Starting monitored process 1564 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:29:09,566 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1564)] Waiting until timeout for monitored process [2024-11-13 23:29:09,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:29:09,802 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:29:09,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:29:09,833 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-13 23:29:09,834 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:29:09,949 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-13 23:29:09,952 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1564)] Forceful destruction successful, exit code 0 [2024-11-13 23:29:09,954 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:29:09,954 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 32 states and 50 transitions. [2024-11-13 23:29:09,955 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2024-11-13 23:29:09,955 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-13 23:29:09,955 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:29:09,955 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:29:09,955 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:29:09,956 INFO L229 MonitoredProcess]: Starting monitored process 1565 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:29:09,957 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1565)] Waiting until timeout for monitored process [2024-11-13 23:29:10,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:29:10,194 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:29:10,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:29:10,227 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-13 23:29:10,228 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:29:10,337 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-13 23:29:10,340 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1565)] Ended with exit code 0 [2024-11-13 23:29:10,342 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:29:10,343 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 32 states and 50 transitions. [2024-11-13 23:29:10,343 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2024-11-13 23:29:10,343 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-13 23:29:10,343 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:29:10,343 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:29:10,343 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:29:10,344 INFO L229 MonitoredProcess]: Starting monitored process 1566 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:29:10,345 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1566)] Waiting until timeout for monitored process [2024-11-13 23:29:10,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:29:10,611 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:29:10,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:29:10,647 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-13 23:29:10,648 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:29:10,989 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 14 proven. 2 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2024-11-13 23:29:10,993 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1566)] Ended with exit code 0 [2024-11-13 23:29:11,025 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:29:11,025 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 32 states and 50 transitions. [2024-11-13 23:29:11,025 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2024-11-13 23:29:11,025 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-13 23:29:11,025 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:29:11,025 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:29:11,025 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:29:11,028 INFO L229 MonitoredProcess]: Starting monitored process 1567 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:29:11,029 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1567)] Waiting until timeout for monitored process [2024-11-13 23:29:11,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:29:11,294 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:29:11,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:29:11,338 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-13 23:29:11,338 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:29:11,454 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-13 23:29:11,457 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1567)] Ended with exit code 0 [2024-11-13 23:29:11,458 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:29:11,459 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 32 states and 50 transitions. [2024-11-13 23:29:11,459 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2024-11-13 23:29:11,459 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-13 23:29:11,459 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:29:11,459 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:29:11,459 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:29:11,460 INFO L229 MonitoredProcess]: Starting monitored process 1568 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:29:11,461 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1568)] Waiting until timeout for monitored process [2024-11-13 23:29:11,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:29:11,693 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:29:11,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:29:11,782 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-13 23:29:11,782 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:29:11,894 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-13 23:29:11,897 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1568)] Ended with exit code 0 [2024-11-13 23:29:11,899 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:29:11,899 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 32 states and 50 transitions. [2024-11-13 23:29:11,899 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2024-11-13 23:29:11,899 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-13 23:29:11,899 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:29:11,900 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:29:11,900 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:29:11,901 INFO L229 MonitoredProcess]: Starting monitored process 1569 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:29:11,902 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1569)] Waiting until timeout for monitored process [2024-11-13 23:29:12,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:29:12,137 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:29:12,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:29:12,169 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-13 23:29:12,169 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:29:12,286 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-13 23:29:12,288 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1569)] Forceful destruction successful, exit code 0 [2024-11-13 23:29:12,290 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:29:12,291 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 32 states and 50 transitions. [2024-11-13 23:29:12,291 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2024-11-13 23:29:12,291 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-13 23:29:12,291 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:29:12,291 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:29:12,291 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:29:12,292 INFO L229 MonitoredProcess]: Starting monitored process 1570 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:29:12,293 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1570)] Waiting until timeout for monitored process [2024-11-13 23:29:12,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:29:12,558 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:29:12,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:29:12,589 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-13 23:29:12,590 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:29:12,699 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-13 23:29:12,702 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1570)] Ended with exit code 0 [2024-11-13 23:29:12,704 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:29:12,704 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 32 states and 50 transitions. [2024-11-13 23:29:12,705 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2024-11-13 23:29:12,705 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-13 23:29:12,705 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:29:12,705 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:29:12,705 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:29:12,706 INFO L229 MonitoredProcess]: Starting monitored process 1571 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:29:12,707 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1571)] Waiting until timeout for monitored process [2024-11-13 23:29:12,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:29:12,945 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:29:12,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:29:12,978 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-13 23:29:12,979 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:29:13,094 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-13 23:29:13,097 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1571)] Ended with exit code 0 [2024-11-13 23:29:13,099 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:29:13,099 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 32 states and 50 transitions. [2024-11-13 23:29:13,099 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2024-11-13 23:29:13,099 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-13 23:29:13,099 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:29:13,099 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:29:13,099 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:29:13,101 INFO L229 MonitoredProcess]: Starting monitored process 1572 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:29:13,102 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1572)] Waiting until timeout for monitored process [2024-11-13 23:29:13,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:29:13,335 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:29:13,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:29:13,366 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-13 23:29:13,367 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:29:13,474 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-13 23:29:13,477 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1572)] Forceful destruction successful, exit code 0 [2024-11-13 23:29:13,479 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:29:13,479 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 32 states and 50 transitions. [2024-11-13 23:29:13,479 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2024-11-13 23:29:13,479 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-13 23:29:13,479 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:29:13,479 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:29:13,479 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:29:13,481 INFO L229 MonitoredProcess]: Starting monitored process 1573 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:29:13,482 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1573)] Waiting until timeout for monitored process [2024-11-13 23:29:13,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:29:13,715 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:29:13,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:29:13,750 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-13 23:29:13,751 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:29:13,979 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 14 proven. 2 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2024-11-13 23:29:13,982 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1573)] Ended with exit code 0 [2024-11-13 23:29:13,997 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:29:13,997 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 32 states and 50 transitions. [2024-11-13 23:29:13,997 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2024-11-13 23:29:13,997 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-13 23:29:13,997 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:29:13,997 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:29:13,997 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:29:13,999 INFO L229 MonitoredProcess]: Starting monitored process 1574 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:29:14,000 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1574)] Waiting until timeout for monitored process [2024-11-13 23:29:14,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:29:14,232 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:29:14,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:29:14,265 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-13 23:29:14,266 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:29:14,373 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-13 23:29:14,376 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1574)] Ended with exit code 0 [2024-11-13 23:29:14,378 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:29:14,378 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 32 states and 50 transitions. [2024-11-13 23:29:14,378 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2024-11-13 23:29:14,378 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-13 23:29:14,379 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:29:14,379 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:29:14,379 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:29:14,380 INFO L229 MonitoredProcess]: Starting monitored process 1575 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:29:14,381 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1575)] Waiting until timeout for monitored process [2024-11-13 23:29:14,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:29:14,626 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:29:14,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:29:14,669 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-13 23:29:14,669 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:29:14,783 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-13 23:29:14,786 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1575)] Ended with exit code 0 [2024-11-13 23:29:14,788 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:29:14,788 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 32 states and 50 transitions. [2024-11-13 23:29:14,788 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2024-11-13 23:29:14,788 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-13 23:29:14,788 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:29:14,788 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:29:14,788 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:29:14,790 INFO L229 MonitoredProcess]: Starting monitored process 1576 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:29:14,791 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1576)] Waiting until timeout for monitored process [2024-11-13 23:29:15,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:29:15,026 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:29:15,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:29:15,058 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-13 23:29:15,059 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:29:15,170 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-13 23:29:15,173 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1576)] Ended with exit code 0 [2024-11-13 23:29:15,175 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:29:15,175 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 32 states and 50 transitions. [2024-11-13 23:29:15,175 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2024-11-13 23:29:15,175 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-13 23:29:15,175 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:29:15,175 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:29:15,175 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:29:15,177 INFO L229 MonitoredProcess]: Starting monitored process 1577 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:29:15,180 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1577)] Waiting until timeout for monitored process [2024-11-13 23:29:15,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:29:15,419 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:29:15,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:29:15,450 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-13 23:29:15,450 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:29:15,560 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-13 23:29:15,562 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1577)] Ended with exit code 0 [2024-11-13 23:29:15,564 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:29:15,565 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 32 states and 50 transitions. [2024-11-13 23:29:15,565 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2024-11-13 23:29:15,565 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-13 23:29:15,565 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:29:15,565 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:29:15,565 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:29:15,566 INFO L229 MonitoredProcess]: Starting monitored process 1578 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:29:15,567 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1578)] Waiting until timeout for monitored process [2024-11-13 23:29:15,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:29:15,823 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:29:15,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:29:15,897 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-13 23:29:15,898 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:29:16,017 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-13 23:29:16,019 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1578)] Forceful destruction successful, exit code 0 [2024-11-13 23:29:16,022 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:29:16,022 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 32 states and 50 transitions. [2024-11-13 23:29:16,022 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2024-11-13 23:29:16,022 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-13 23:29:16,022 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:29:16,022 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:29:16,022 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:29:16,023 INFO L229 MonitoredProcess]: Starting monitored process 1579 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:29:16,024 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1579)] Waiting until timeout for monitored process [2024-11-13 23:29:16,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:29:16,262 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:29:16,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:29:16,295 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-13 23:29:16,296 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:29:16,407 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-13 23:29:16,409 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1579)] Ended with exit code 0 [2024-11-13 23:29:16,412 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:29:16,412 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 32 states and 50 transitions. [2024-11-13 23:29:16,412 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2024-11-13 23:29:16,412 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-13 23:29:16,412 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:29:16,412 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:29:16,412 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:29:16,414 INFO L229 MonitoredProcess]: Starting monitored process 1580 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:29:16,414 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1580)] Waiting until timeout for monitored process [2024-11-13 23:29:16,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:29:16,651 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:29:16,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:29:16,689 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-13 23:29:16,689 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:29:16,812 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-13 23:29:16,815 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1580)] Ended with exit code 0 [2024-11-13 23:29:16,817 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:29:16,817 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 32 states and 50 transitions. [2024-11-13 23:29:16,817 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2024-11-13 23:29:16,817 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-13 23:29:16,817 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:29:16,818 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:29:16,818 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:29:16,819 INFO L229 MonitoredProcess]: Starting monitored process 1581 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:29:16,820 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1581)] Waiting until timeout for monitored process [2024-11-13 23:29:17,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:29:17,056 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:29:17,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:29:17,130 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-13 23:29:17,131 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:29:17,243 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-13 23:29:17,245 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1581)] Ended with exit code 0 [2024-11-13 23:29:17,248 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:29:17,248 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 32 states and 50 transitions. [2024-11-13 23:29:17,248 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2024-11-13 23:29:17,248 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-13 23:29:17,248 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:29:17,248 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:29:17,248 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:29:17,250 INFO L229 MonitoredProcess]: Starting monitored process 1582 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:29:17,251 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1582)] Waiting until timeout for monitored process [2024-11-13 23:29:17,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:29:17,484 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:29:17,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:29:17,536 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-13 23:29:17,536 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:29:17,648 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-13 23:29:17,651 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1582)] Ended with exit code 0 [2024-11-13 23:29:17,653 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:29:17,653 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 32 states and 50 transitions. [2024-11-13 23:29:17,653 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2024-11-13 23:29:17,653 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-13 23:29:17,653 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:29:17,653 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:29:17,653 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:29:17,654 INFO L229 MonitoredProcess]: Starting monitored process 1583 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:29:17,655 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1583)] Waiting until timeout for monitored process [2024-11-13 23:29:17,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:29:17,891 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:29:17,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:29:17,926 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-13 23:29:17,926 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:29:18,161 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 14 proven. 2 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2024-11-13 23:29:18,164 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1583)] Ended with exit code 0 [2024-11-13 23:29:18,178 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:29:18,178 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 32 states and 50 transitions. [2024-11-13 23:29:18,178 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2024-11-13 23:29:18,178 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-13 23:29:18,178 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:29:18,178 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:29:18,178 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:29:18,180 INFO L229 MonitoredProcess]: Starting monitored process 1584 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:29:18,181 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1584)] Waiting until timeout for monitored process [2024-11-13 23:29:18,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:29:18,413 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:29:18,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:29:18,446 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-13 23:29:18,447 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:29:18,565 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-13 23:29:18,568 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1584)] Ended with exit code 0 [2024-11-13 23:29:18,569 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:29:18,570 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 32 states and 50 transitions. [2024-11-13 23:29:18,570 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2024-11-13 23:29:18,570 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-13 23:29:18,570 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:29:18,570 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:29:18,570 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:29:18,571 INFO L229 MonitoredProcess]: Starting monitored process 1585 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:29:18,572 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1585)] Waiting until timeout for monitored process [2024-11-13 23:29:18,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:29:18,802 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:29:18,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:29:18,833 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-13 23:29:18,834 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:29:18,942 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-13 23:29:18,944 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1585)] Ended with exit code 0 [2024-11-13 23:29:18,946 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:29:18,946 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 32 states and 50 transitions. [2024-11-13 23:29:18,946 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2024-11-13 23:29:18,946 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-13 23:29:18,946 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:29:18,946 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:29:18,946 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:29:18,948 INFO L229 MonitoredProcess]: Starting monitored process 1586 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:29:18,949 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1586)] Waiting until timeout for monitored process [2024-11-13 23:29:19,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:29:19,185 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:29:19,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:29:19,242 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-13 23:29:19,243 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:29:19,357 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-13 23:29:19,360 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1586)] Forceful destruction successful, exit code 0 [2024-11-13 23:29:19,362 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:29:19,362 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 32 states and 50 transitions. [2024-11-13 23:29:19,362 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2024-11-13 23:29:19,362 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-13 23:29:19,362 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:29:19,362 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:29:19,362 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:29:19,364 INFO L229 MonitoredProcess]: Starting monitored process 1587 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:29:19,364 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1587)] Waiting until timeout for monitored process [2024-11-13 23:29:19,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:29:19,600 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:29:19,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:29:19,650 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-13 23:29:19,651 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:29:19,782 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-13 23:29:19,784 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1587)] Ended with exit code 0 [2024-11-13 23:29:19,786 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:29:19,786 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 32 states and 50 transitions. [2024-11-13 23:29:19,786 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2024-11-13 23:29:19,786 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-13 23:29:19,787 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:29:19,787 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:29:19,787 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:29:19,788 INFO L229 MonitoredProcess]: Starting monitored process 1588 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:29:19,789 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1588)] Waiting until timeout for monitored process [2024-11-13 23:29:20,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:29:20,091 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:29:20,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:29:20,238 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-13 23:29:20,238 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:29:20,375 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-13 23:29:20,378 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1588)] Ended with exit code 0 [2024-11-13 23:29:20,381 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:29:20,381 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 32 states and 50 transitions. [2024-11-13 23:29:20,381 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2024-11-13 23:29:20,381 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-13 23:29:20,381 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:29:20,381 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:29:20,381 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:29:20,383 INFO L229 MonitoredProcess]: Starting monitored process 1589 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:29:20,383 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1589)] Waiting until timeout for monitored process [2024-11-13 23:29:20,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:29:20,615 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:29:20,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:29:20,674 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-13 23:29:20,675 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:29:20,784 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-13 23:29:20,787 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1589)] Forceful destruction successful, exit code 0 [2024-11-13 23:29:20,788 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:29:20,789 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 32 states and 50 transitions. [2024-11-13 23:29:20,789 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2024-11-13 23:29:20,789 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-13 23:29:20,789 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:29:20,789 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:29:20,789 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:29:20,790 INFO L229 MonitoredProcess]: Starting monitored process 1590 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:29:20,792 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1590)] Waiting until timeout for monitored process [2024-11-13 23:29:21,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:29:21,023 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:29:21,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:29:21,058 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-13 23:29:21,059 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:29:21,180 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-13 23:29:21,183 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1590)] Ended with exit code 0 [2024-11-13 23:29:21,185 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:29:21,185 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 32 states and 50 transitions. [2024-11-13 23:29:21,185 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2024-11-13 23:29:21,185 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-13 23:29:21,185 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:29:21,185 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:29:21,185 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:29:21,186 INFO L229 MonitoredProcess]: Starting monitored process 1591 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:29:21,187 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1591)] Waiting until timeout for monitored process [2024-11-13 23:29:21,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:29:21,424 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:29:21,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:29:21,480 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-13 23:29:21,481 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:29:21,600 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-13 23:29:21,603 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1591)] Ended with exit code 0 [2024-11-13 23:29:21,606 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:29:21,606 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 32 states and 50 transitions. [2024-11-13 23:29:21,606 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2024-11-13 23:29:21,606 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-13 23:29:21,606 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:29:21,606 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:29:21,606 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:29:21,608 INFO L229 MonitoredProcess]: Starting monitored process 1592 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:29:21,608 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1592)] Waiting until timeout for monitored process [2024-11-13 23:29:21,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:29:21,845 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:29:21,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:29:21,907 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-13 23:29:21,908 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:29:22,050 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-13 23:29:22,052 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1592)] Forceful destruction successful, exit code 0 [2024-11-13 23:29:22,054 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:29:22,054 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 32 states and 50 transitions. [2024-11-13 23:29:22,054 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2024-11-13 23:29:22,054 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-13 23:29:22,054 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:29:22,055 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:29:22,055 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:29:22,056 INFO L229 MonitoredProcess]: Starting monitored process 1593 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:29:22,057 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1593)] Waiting until timeout for monitored process [2024-11-13 23:29:22,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:29:22,304 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:29:22,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:29:22,340 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-13 23:29:22,341 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:29:22,564 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 14 proven. 2 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2024-11-13 23:29:22,566 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1593)] Ended with exit code 0 [2024-11-13 23:29:22,582 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:29:22,582 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 32 states and 50 transitions. [2024-11-13 23:29:22,582 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2024-11-13 23:29:22,583 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-13 23:29:22,583 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:29:22,583 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:29:22,583 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:29:22,584 INFO L229 MonitoredProcess]: Starting monitored process 1594 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:29:22,585 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1594)] Waiting until timeout for monitored process [2024-11-13 23:29:22,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:29:22,837 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:29:22,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:29:22,898 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-13 23:29:22,899 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:29:23,031 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-13 23:29:23,034 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1594)] Ended with exit code 0 [2024-11-13 23:29:23,036 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:29:23,036 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 32 states and 50 transitions. [2024-11-13 23:29:23,037 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2024-11-13 23:29:23,037 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-13 23:29:23,037 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:29:23,037 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:29:23,037 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:29:23,038 INFO L229 MonitoredProcess]: Starting monitored process 1595 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:29:23,039 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1595)] Waiting until timeout for monitored process [2024-11-13 23:29:23,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:29:23,281 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:29:23,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:29:23,340 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-13 23:29:23,340 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:29:23,460 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-13 23:29:23,463 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1595)] Ended with exit code 0 [2024-11-13 23:29:23,466 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:29:23,466 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 32 states and 50 transitions. [2024-11-13 23:29:23,466 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2024-11-13 23:29:23,466 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-13 23:29:23,466 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:29:23,466 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:29:23,466 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:29:23,467 INFO L229 MonitoredProcess]: Starting monitored process 1596 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:29:23,469 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1596)] Waiting until timeout for monitored process [2024-11-13 23:29:23,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:29:23,703 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:29:23,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:29:23,736 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-13 23:29:23,736 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:29:23,863 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-13 23:29:23,866 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1596)] Ended with exit code 0 [2024-11-13 23:29:23,867 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:29:23,868 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 32 states and 50 transitions. [2024-11-13 23:29:23,868 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2024-11-13 23:29:23,868 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-13 23:29:23,868 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:29:23,868 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:29:23,868 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:29:23,869 INFO L229 MonitoredProcess]: Starting monitored process 1597 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:29:23,870 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1597)] Waiting until timeout for monitored process [2024-11-13 23:29:24,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:29:24,104 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:29:24,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:29:24,155 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-13 23:29:24,156 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:29:24,269 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-13 23:29:24,272 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1597)] Ended with exit code 0 [2024-11-13 23:29:24,274 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:29:24,274 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 32 states and 50 transitions. [2024-11-13 23:29:24,274 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2024-11-13 23:29:24,274 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-13 23:29:24,274 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:29:24,274 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:29:24,275 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:29:24,276 INFO L229 MonitoredProcess]: Starting monitored process 1598 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:29:24,277 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1598)] Waiting until timeout for monitored process [2024-11-13 23:29:24,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:29:24,514 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:29:24,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:29:24,549 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-13 23:29:24,550 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:29:24,776 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 14 proven. 2 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2024-11-13 23:29:24,779 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1598)] Ended with exit code 0 [2024-11-13 23:29:24,792 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:29:24,793 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 32 states and 50 transitions. [2024-11-13 23:29:24,793 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2024-11-13 23:29:24,793 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-13 23:29:24,793 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:29:24,793 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:29:24,793 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:29:24,794 INFO L229 MonitoredProcess]: Starting monitored process 1599 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:29:24,796 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1599)] Waiting until timeout for monitored process [2024-11-13 23:29:25,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:29:25,031 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:29:25,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:29:25,064 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-13 23:29:25,065 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:29:25,191 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-13 23:29:25,194 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1599)] Ended with exit code 0 [2024-11-13 23:29:25,196 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:29:25,196 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 32 states and 50 transitions. [2024-11-13 23:29:25,196 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2024-11-13 23:29:25,196 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-13 23:29:25,196 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:29:25,196 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:29:25,196 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:29:25,198 INFO L229 MonitoredProcess]: Starting monitored process 1600 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:29:25,198 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1600)] Waiting until timeout for monitored process [2024-11-13 23:29:25,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:29:25,437 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:29:25,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:29:25,482 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-13 23:29:25,483 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:29:25,598 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-13 23:29:25,601 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1600)] Forceful destruction successful, exit code 0 [2024-11-13 23:29:25,604 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:29:25,604 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 32 states and 50 transitions. [2024-11-13 23:29:25,604 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2024-11-13 23:29:25,604 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-13 23:29:25,604 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:29:25,604 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:29:25,604 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:29:25,606 INFO L229 MonitoredProcess]: Starting monitored process 1601 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:29:25,607 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1601)] Waiting until timeout for monitored process [2024-11-13 23:29:25,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:29:25,878 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:29:25,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:29:25,911 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-13 23:29:25,912 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:29:26,049 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-13 23:29:26,052 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1601)] Ended with exit code 0 [2024-11-13 23:29:26,054 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:29:26,054 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 32 states and 50 transitions. [2024-11-13 23:29:26,054 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2024-11-13 23:29:26,054 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-13 23:29:26,054 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:29:26,054 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:29:26,054 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:29:26,056 INFO L229 MonitoredProcess]: Starting monitored process 1602 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:29:26,056 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1602)] Waiting until timeout for monitored process [2024-11-13 23:29:26,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:29:26,300 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:29:26,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:29:26,340 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-13 23:29:26,341 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:29:26,452 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-13 23:29:26,455 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1602)] Ended with exit code 0 [2024-11-13 23:29:26,457 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:29:26,457 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 32 states and 50 transitions. [2024-11-13 23:29:26,457 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2024-11-13 23:29:26,457 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-13 23:29:26,457 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:29:26,457 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:29:26,457 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:29:26,459 INFO L229 MonitoredProcess]: Starting monitored process 1603 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:29:26,460 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1603)] Waiting until timeout for monitored process [2024-11-13 23:29:26,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:29:26,735 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:29:26,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:29:26,789 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-13 23:29:26,789 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:29:26,900 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-13 23:29:26,903 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1603)] Ended with exit code 0 [2024-11-13 23:29:26,905 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:29:26,905 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 32 states and 50 transitions. [2024-11-13 23:29:26,905 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2024-11-13 23:29:26,905 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-13 23:29:26,906 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:29:26,906 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:29:26,906 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:29:26,907 INFO L229 MonitoredProcess]: Starting monitored process 1604 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:29:26,908 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1604)] Waiting until timeout for monitored process [2024-11-13 23:29:27,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:29:27,141 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:29:27,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:29:27,202 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-13 23:29:27,203 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:29:27,315 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-13 23:29:27,318 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1604)] Ended with exit code 0 [2024-11-13 23:29:27,320 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:29:27,320 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 32 states and 50 transitions. [2024-11-13 23:29:27,320 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2024-11-13 23:29:27,320 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-13 23:29:27,320 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:29:27,320 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:29:27,320 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:29:27,322 INFO L229 MonitoredProcess]: Starting monitored process 1605 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:29:27,323 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1605)] Waiting until timeout for monitored process [2024-11-13 23:29:27,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:29:27,555 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:29:27,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:29:27,587 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-13 23:29:27,588 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:29:27,711 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-13 23:29:27,714 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1605)] Ended with exit code 0 [2024-11-13 23:29:27,716 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:29:27,716 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 32 states and 50 transitions. [2024-11-13 23:29:27,716 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2024-11-13 23:29:27,716 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-13 23:29:27,716 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:29:27,716 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:29:27,716 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:29:27,717 INFO L229 MonitoredProcess]: Starting monitored process 1606 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:29:27,719 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1606)] Waiting until timeout for monitored process [2024-11-13 23:29:27,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:29:27,961 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:29:27,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:29:27,995 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-13 23:29:27,995 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:29:28,110 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-13 23:29:28,113 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1606)] Ended with exit code 0 [2024-11-13 23:29:28,115 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:29:28,115 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 32 states and 50 transitions. [2024-11-13 23:29:28,115 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2024-11-13 23:29:28,115 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-13 23:29:28,116 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:29:28,116 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:29:28,116 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:29:28,117 INFO L229 MonitoredProcess]: Starting monitored process 1607 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:29:28,118 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1607)] Waiting until timeout for monitored process [2024-11-13 23:29:28,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:29:28,352 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:29:28,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:29:28,414 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-13 23:29:28,414 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:29:28,522 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-13 23:29:28,524 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1607)] Ended with exit code 0 [2024-11-13 23:29:28,526 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:29:28,526 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 32 states and 50 transitions. [2024-11-13 23:29:28,526 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2024-11-13 23:29:28,526 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-13 23:29:28,526 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:29:28,526 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:29:28,526 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:29:28,528 INFO L229 MonitoredProcess]: Starting monitored process 1608 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:29:28,529 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1608)] Waiting until timeout for monitored process [2024-11-13 23:29:28,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:29:28,771 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:29:28,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:29:28,803 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-13 23:29:28,804 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:29:28,925 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-13 23:29:28,927 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1608)] Forceful destruction successful, exit code 0 [2024-11-13 23:29:28,929 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:29:28,929 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 32 states and 50 transitions. [2024-11-13 23:29:28,929 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2024-11-13 23:29:28,930 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-13 23:29:28,930 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:29:28,930 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:29:28,930 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:29:28,931 INFO L229 MonitoredProcess]: Starting monitored process 1609 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:29:28,933 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1609)] Waiting until timeout for monitored process [2024-11-13 23:29:29,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:29:29,170 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:29:29,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:29:29,204 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-13 23:29:29,204 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:29:29,318 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-13 23:29:29,321 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1609)] Ended with exit code 0 [2024-11-13 23:29:29,323 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:29:29,323 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 32 states and 50 transitions. [2024-11-13 23:29:29,323 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2024-11-13 23:29:29,323 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-13 23:29:29,323 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:29:29,323 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:29:29,323 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:29:29,324 INFO L229 MonitoredProcess]: Starting monitored process 1610 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:29:29,325 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1610)] Waiting until timeout for monitored process [2024-11-13 23:29:29,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:29:29,559 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:29:29,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:29:29,601 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-13 23:29:29,602 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:29:29,838 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-13 23:29:29,841 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1610)] Ended with exit code 0 [2024-11-13 23:29:29,843 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:29:29,844 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 32 states and 50 transitions. [2024-11-13 23:29:29,844 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2024-11-13 23:29:29,844 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-13 23:29:29,844 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:29:29,844 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:29:29,844 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:29:29,845 INFO L229 MonitoredProcess]: Starting monitored process 1611 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:29:29,846 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1611)] Waiting until timeout for monitored process [2024-11-13 23:29:30,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:29:30,103 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:29:30,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:29:30,143 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-13 23:29:30,143 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:29:30,390 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 14 proven. 2 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2024-11-13 23:29:30,392 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1611)] Forceful destruction successful, exit code 0 [2024-11-13 23:29:30,408 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:29:30,408 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 32 states and 50 transitions. [2024-11-13 23:29:30,408 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2024-11-13 23:29:30,408 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-13 23:29:30,408 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:29:30,408 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:29:30,408 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:29:30,409 INFO L229 MonitoredProcess]: Starting monitored process 1612 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:29:30,410 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1612)] Waiting until timeout for monitored process [2024-11-13 23:29:30,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:29:30,646 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:29:30,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:29:30,678 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-13 23:29:30,679 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:29:30,801 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-13 23:29:30,804 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1612)] Ended with exit code 0 [2024-11-13 23:29:30,806 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:29:30,806 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 32 states and 50 transitions. [2024-11-13 23:29:30,806 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2024-11-13 23:29:30,806 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-13 23:29:30,806 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:29:30,806 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:29:30,806 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:29:30,807 INFO L229 MonitoredProcess]: Starting monitored process 1613 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:29:30,809 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1613)] Waiting until timeout for monitored process [2024-11-13 23:29:31,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:29:31,046 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:29:31,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:29:31,095 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-13 23:29:31,096 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:29:31,203 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-13 23:29:31,205 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1613)] Ended with exit code 0 [2024-11-13 23:29:31,208 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:29:31,208 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 32 states and 50 transitions. [2024-11-13 23:29:31,208 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2024-11-13 23:29:31,208 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-13 23:29:31,208 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:29:31,208 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:29:31,208 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:29:31,210 INFO L229 MonitoredProcess]: Starting monitored process 1614 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:29:31,210 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1614)] Waiting until timeout for monitored process [2024-11-13 23:29:31,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:29:31,446 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:29:31,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:29:31,484 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-13 23:29:31,485 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:29:31,616 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-13 23:29:31,618 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1614)] Ended with exit code 0 [2024-11-13 23:29:31,621 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:29:31,621 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 32 states and 50 transitions. [2024-11-13 23:29:31,621 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2024-11-13 23:29:31,621 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-13 23:29:31,622 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:29:31,622 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:29:31,622 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:29:31,623 INFO L229 MonitoredProcess]: Starting monitored process 1615 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:29:31,624 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1615)] Waiting until timeout for monitored process [2024-11-13 23:29:31,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:29:31,898 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:29:31,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:29:31,935 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-13 23:29:31,935 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:29:32,052 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-13 23:29:32,055 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1615)] Forceful destruction successful, exit code 0 [2024-11-13 23:29:32,057 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:29:32,057 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 32 states and 50 transitions. [2024-11-13 23:29:32,057 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2024-11-13 23:29:32,057 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-13 23:29:32,057 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:29:32,057 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:29:32,057 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:29:32,058 INFO L229 MonitoredProcess]: Starting monitored process 1616 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:29:32,062 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1616)] Waiting until timeout for monitored process [2024-11-13 23:29:32,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:29:32,296 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:29:32,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:29:32,327 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-13 23:29:32,327 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:29:32,442 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-13 23:29:32,445 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1616)] Ended with exit code 0 [2024-11-13 23:29:32,447 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:29:32,447 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 32 states and 50 transitions. [2024-11-13 23:29:32,447 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2024-11-13 23:29:32,447 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-13 23:29:32,447 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:29:32,447 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:29:32,447 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:29:32,448 INFO L229 MonitoredProcess]: Starting monitored process 1617 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:29:32,449 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1617)] Waiting until timeout for monitored process [2024-11-13 23:29:32,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:29:32,682 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:29:32,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:29:32,761 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-13 23:29:32,762 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:29:32,871 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-13 23:29:32,873 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1617)] Ended with exit code 0 [2024-11-13 23:29:32,876 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:29:32,876 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 32 states and 50 transitions. [2024-11-13 23:29:32,876 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2024-11-13 23:29:32,876 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-13 23:29:32,876 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:29:32,876 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:29:32,876 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:29:32,878 INFO L229 MonitoredProcess]: Starting monitored process 1618 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:29:32,879 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1618)] Waiting until timeout for monitored process [2024-11-13 23:29:33,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:29:33,113 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:29:33,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:29:33,178 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-13 23:29:33,178 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:29:33,289 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-13 23:29:33,291 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1618)] Ended with exit code 0 [2024-11-13 23:29:33,294 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:29:33,294 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 32 states and 50 transitions. [2024-11-13 23:29:33,294 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2024-11-13 23:29:33,294 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-13 23:29:33,294 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:29:33,294 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:29:33,294 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:29:33,296 INFO L229 MonitoredProcess]: Starting monitored process 1619 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:29:33,296 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1619)] Waiting until timeout for monitored process [2024-11-13 23:29:33,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:29:33,536 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:29:33,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:29:33,581 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-13 23:29:33,581 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:29:33,696 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-13 23:29:33,698 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1619)] Ended with exit code 0 [2024-11-13 23:29:33,700 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:29:33,701 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 32 states and 50 transitions. [2024-11-13 23:29:33,701 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2024-11-13 23:29:33,701 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-13 23:29:33,701 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:29:33,701 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:29:33,701 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:29:33,702 INFO L229 MonitoredProcess]: Starting monitored process 1620 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:29:33,703 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1620)] Waiting until timeout for monitored process [2024-11-13 23:29:33,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:29:33,936 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:29:33,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:29:33,975 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-13 23:29:33,976 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:29:34,083 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-13 23:29:34,086 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1620)] Ended with exit code 0 [2024-11-13 23:29:34,087 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:29:34,088 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 32 states and 50 transitions. [2024-11-13 23:29:34,088 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2024-11-13 23:29:34,088 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-13 23:29:34,088 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:29:34,088 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:29:34,088 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:29:34,089 INFO L229 MonitoredProcess]: Starting monitored process 1621 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:29:34,091 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1621)] Waiting until timeout for monitored process [2024-11-13 23:29:34,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:29:34,348 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:29:34,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:29:34,398 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-13 23:29:34,399 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:29:34,520 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-13 23:29:34,523 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1621)] Ended with exit code 0 [2024-11-13 23:29:34,525 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:29:34,525 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 32 states and 50 transitions. [2024-11-13 23:29:34,525 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2024-11-13 23:29:34,526 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-13 23:29:34,526 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:29:34,526 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:29:34,526 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:29:34,527 INFO L229 MonitoredProcess]: Starting monitored process 1622 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:29:34,528 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1622)] Waiting until timeout for monitored process [2024-11-13 23:29:34,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:29:34,784 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:29:34,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:29:34,815 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-13 23:29:34,816 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:29:34,923 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-13 23:29:34,926 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1622)] Ended with exit code 0 [2024-11-13 23:29:34,928 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:29:34,928 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 32 states and 50 transitions. [2024-11-13 23:29:34,928 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2024-11-13 23:29:34,928 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-13 23:29:34,928 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:29:34,928 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:29:34,928 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:29:34,930 INFO L229 MonitoredProcess]: Starting monitored process 1623 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:29:34,930 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1623)] Waiting until timeout for monitored process [2024-11-13 23:29:35,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:29:35,167 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:29:35,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:29:35,213 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-13 23:29:35,214 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:29:35,326 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-13 23:29:35,329 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1623)] Ended with exit code 0 [2024-11-13 23:29:35,331 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:29:35,331 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 32 states and 50 transitions. [2024-11-13 23:29:35,331 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2024-11-13 23:29:35,331 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-13 23:29:35,331 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:29:35,331 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:29:35,331 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:29:35,333 INFO L229 MonitoredProcess]: Starting monitored process 1624 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:29:35,334 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1624)] Waiting until timeout for monitored process [2024-11-13 23:29:35,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:29:35,580 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:29:35,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:29:35,661 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-13 23:29:35,661 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:29:35,784 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-13 23:29:35,786 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1624)] Ended with exit code 0 [2024-11-13 23:29:35,789 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:29:35,789 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 32 states and 50 transitions. [2024-11-13 23:29:35,789 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2024-11-13 23:29:35,789 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-13 23:29:35,789 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:29:35,789 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:29:35,789 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:29:35,791 INFO L229 MonitoredProcess]: Starting monitored process 1625 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:29:35,791 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1625)] Waiting until timeout for monitored process [2024-11-13 23:29:36,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:29:36,060 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:29:36,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:29:36,141 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-13 23:29:36,141 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:29:36,260 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-13 23:29:36,263 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1625)] Ended with exit code 0 [2024-11-13 23:29:36,264 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:29:36,265 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 32 states and 50 transitions. [2024-11-13 23:29:36,265 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2024-11-13 23:29:36,265 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-13 23:29:36,265 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:29:36,265 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:29:36,265 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:29:36,266 INFO L229 MonitoredProcess]: Starting monitored process 1626 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:29:36,267 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1626)] Waiting until timeout for monitored process [2024-11-13 23:29:36,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:29:36,505 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:29:36,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:29:36,541 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-13 23:29:36,541 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:29:36,770 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 14 proven. 2 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2024-11-13 23:29:36,773 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1626)] Forceful destruction successful, exit code 0 [2024-11-13 23:29:36,789 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:29:36,790 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 32 states and 50 transitions. [2024-11-13 23:29:36,790 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2024-11-13 23:29:36,790 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-13 23:29:36,790 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:29:36,790 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:29:36,790 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:29:36,791 INFO L229 MonitoredProcess]: Starting monitored process 1627 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:29:36,793 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1627)] Waiting until timeout for monitored process [2024-11-13 23:29:37,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:29:37,052 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:29:37,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:29:37,086 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-13 23:29:37,086 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:29:37,205 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-13 23:29:37,208 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1627)] Ended with exit code 0 [2024-11-13 23:29:37,210 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:29:37,210 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 32 states and 50 transitions. [2024-11-13 23:29:37,210 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2024-11-13 23:29:37,210 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-13 23:29:37,210 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:29:37,211 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:29:37,211 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:29:37,212 INFO L229 MonitoredProcess]: Starting monitored process 1628 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:29:37,213 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1628)] Waiting until timeout for monitored process [2024-11-13 23:29:37,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:29:37,463 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:29:37,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:29:37,496 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-13 23:29:37,497 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:29:37,612 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-13 23:29:37,615 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1628)] Ended with exit code 0 [2024-11-13 23:29:37,616 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:29:37,617 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 32 states and 50 transitions. [2024-11-13 23:29:37,617 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2024-11-13 23:29:37,617 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-13 23:29:37,617 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:29:37,617 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:29:37,617 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:29:37,618 INFO L229 MonitoredProcess]: Starting monitored process 1629 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:29:37,619 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1629)] Waiting until timeout for monitored process [2024-11-13 23:29:37,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:29:37,854 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:29:37,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:29:37,923 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-13 23:29:37,923 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:29:38,032 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-13 23:29:38,035 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1629)] Ended with exit code 0 [2024-11-13 23:29:38,036 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:29:38,037 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 32 states and 50 transitions. [2024-11-13 23:29:38,037 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2024-11-13 23:29:38,037 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-13 23:29:38,037 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:29:38,037 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:29:38,037 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:29:38,038 INFO L229 MonitoredProcess]: Starting monitored process 1630 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:29:38,040 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1630)] Waiting until timeout for monitored process [2024-11-13 23:29:38,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:29:38,272 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:29:38,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:29:38,308 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-13 23:29:38,309 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:29:38,544 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 14 proven. 2 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2024-11-13 23:29:38,546 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1630)] Ended with exit code 0 [2024-11-13 23:29:38,561 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:29:38,561 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 32 states and 50 transitions. [2024-11-13 23:29:38,561 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2024-11-13 23:29:38,561 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-13 23:29:38,561 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:29:38,561 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:29:38,561 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:29:38,563 INFO L229 MonitoredProcess]: Starting monitored process 1631 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:29:38,564 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1631)] Waiting until timeout for monitored process [2024-11-13 23:29:38,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:29:38,801 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:29:38,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:29:38,859 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-13 23:29:38,860 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:29:38,969 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-13 23:29:38,972 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1631)] Ended with exit code 0 [2024-11-13 23:29:38,974 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:29:38,974 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 32 states and 50 transitions. [2024-11-13 23:29:38,974 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2024-11-13 23:29:38,975 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-13 23:29:38,975 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:29:38,975 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:29:38,975 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:29:38,976 INFO L229 MonitoredProcess]: Starting monitored process 1632 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:29:38,978 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1632)] Waiting until timeout for monitored process [2024-11-13 23:29:39,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:29:39,212 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:29:39,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:29:39,245 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-13 23:29:39,246 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:29:39,362 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-13 23:29:39,366 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1632)] Forceful destruction successful, exit code 0 [2024-11-13 23:29:39,367 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:29:39,368 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 32 states and 50 transitions. [2024-11-13 23:29:39,368 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2024-11-13 23:29:39,368 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-13 23:29:39,368 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:29:39,368 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:29:39,368 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:29:39,369 INFO L229 MonitoredProcess]: Starting monitored process 1633 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:29:39,370 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1633)] Waiting until timeout for monitored process [2024-11-13 23:29:39,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:29:39,704 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:29:39,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:29:39,733 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-13 23:29:39,734 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:29:39,853 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-13 23:29:39,855 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1633)] Ended with exit code 0 [2024-11-13 23:29:39,858 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:29:39,858 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 32 states and 50 transitions. [2024-11-13 23:29:39,858 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2024-11-13 23:29:39,858 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-13 23:29:39,858 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:29:39,858 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:29:39,858 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:29:39,860 INFO L229 MonitoredProcess]: Starting monitored process 1634 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:29:39,861 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1634)] Waiting until timeout for monitored process [2024-11-13 23:29:40,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:29:40,096 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:29:40,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:29:40,131 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-13 23:29:40,132 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:29:40,372 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 14 proven. 2 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2024-11-13 23:29:40,375 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1634)] Forceful destruction successful, exit code 0 [2024-11-13 23:29:40,394 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:29:40,394 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 32 states and 50 transitions. [2024-11-13 23:29:40,394 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2024-11-13 23:29:40,394 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-13 23:29:40,394 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:29:40,394 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:29:40,394 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:29:40,396 INFO L229 MonitoredProcess]: Starting monitored process 1635 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:29:40,397 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1635)] Waiting until timeout for monitored process [2024-11-13 23:29:40,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:29:40,630 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:29:40,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:29:40,665 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-13 23:29:40,666 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:29:40,773 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-13 23:29:40,776 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1635)] Ended with exit code 0 [2024-11-13 23:29:40,778 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:29:40,778 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 32 states and 50 transitions. [2024-11-13 23:29:40,778 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2024-11-13 23:29:40,778 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-13 23:29:40,778 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:29:40,778 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:29:40,778 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:29:40,780 INFO L229 MonitoredProcess]: Starting monitored process 1636 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:29:40,781 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1636)] Waiting until timeout for monitored process [2024-11-13 23:29:41,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:29:41,018 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:29:41,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:29:41,055 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-13 23:29:41,056 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:29:41,174 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-13 23:29:41,176 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1636)] Ended with exit code 0 [2024-11-13 23:29:41,179 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:29:41,179 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 32 states and 50 transitions. [2024-11-13 23:29:41,179 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2024-11-13 23:29:41,180 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-13 23:29:41,180 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:29:41,180 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:29:41,180 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:29:41,181 INFO L229 MonitoredProcess]: Starting monitored process 1637 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:29:41,182 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1637)] Waiting until timeout for monitored process [2024-11-13 23:29:41,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:29:41,420 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:29:41,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:29:41,478 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-13 23:29:41,478 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:29:41,595 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-13 23:29:41,598 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1637)] Ended with exit code 0 [2024-11-13 23:29:41,600 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:29:41,600 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 32 states and 50 transitions. [2024-11-13 23:29:41,600 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2024-11-13 23:29:41,600 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-13 23:29:41,600 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:29:41,600 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:29:41,600 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:29:41,602 INFO L229 MonitoredProcess]: Starting monitored process 1638 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:29:41,602 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1638)] Waiting until timeout for monitored process [2024-11-13 23:29:41,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:29:41,837 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:29:41,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:29:41,869 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-13 23:29:41,870 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:29:41,984 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-13 23:29:41,987 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1638)] Ended with exit code 0 [2024-11-13 23:29:41,989 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:29:41,989 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 32 states and 50 transitions. [2024-11-13 23:29:41,989 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2024-11-13 23:29:41,989 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-13 23:29:41,989 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:29:41,989 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:29:41,990 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:29:41,991 INFO L229 MonitoredProcess]: Starting monitored process 1639 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:29:41,992 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1639)] Waiting until timeout for monitored process [2024-11-13 23:29:42,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:29:42,229 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:29:42,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:29:42,259 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-13 23:29:42,260 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:29:42,379 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-13 23:29:42,381 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1639)] Ended with exit code 0 [2024-11-13 23:29:42,383 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:29:42,383 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 32 states and 50 transitions. [2024-11-13 23:29:42,383 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2024-11-13 23:29:42,384 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-13 23:29:42,384 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:29:42,384 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:29:42,384 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:29:42,385 INFO L229 MonitoredProcess]: Starting monitored process 1640 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:29:42,386 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1640)] Waiting until timeout for monitored process [2024-11-13 23:29:42,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:29:42,621 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:29:42,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:29:42,737 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-13 23:29:42,738 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:29:42,852 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-13 23:29:42,855 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1640)] Ended with exit code 0 [2024-11-13 23:29:42,857 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:29:42,857 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 32 states and 50 transitions. [2024-11-13 23:29:42,857 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2024-11-13 23:29:42,857 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-13 23:29:42,857 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:29:42,857 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:29:42,857 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:29:42,859 INFO L229 MonitoredProcess]: Starting monitored process 1641 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:29:42,860 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1641)] Waiting until timeout for monitored process [2024-11-13 23:29:43,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:29:43,093 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:29:43,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:29:43,126 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-13 23:29:43,127 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:29:43,239 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-13 23:29:43,242 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1641)] Forceful destruction successful, exit code 0 [2024-11-13 23:29:43,244 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:29:43,244 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 32 states and 50 transitions. [2024-11-13 23:29:43,244 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2024-11-13 23:29:43,244 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-13 23:29:43,244 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:29:43,245 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:29:43,245 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:29:43,246 INFO L229 MonitoredProcess]: Starting monitored process 1642 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:29:43,247 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1642)] Waiting until timeout for monitored process [2024-11-13 23:29:43,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:29:43,487 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:29:43,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:29:43,517 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-13 23:29:43,518 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:29:43,627 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-13 23:29:43,629 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1642)] Ended with exit code 0 [2024-11-13 23:29:43,631 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:29:43,632 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 32 states and 50 transitions. [2024-11-13 23:29:43,632 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2024-11-13 23:29:43,632 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-13 23:29:43,632 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:29:43,632 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:29:43,632 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:29:43,633 INFO L229 MonitoredProcess]: Starting monitored process 1643 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:29:43,634 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1643)] Waiting until timeout for monitored process [2024-11-13 23:29:43,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:29:43,872 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:29:43,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:29:43,925 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-13 23:29:43,925 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:29:44,061 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-13 23:29:44,064 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1643)] Ended with exit code 0 [2024-11-13 23:29:44,065 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:29:44,066 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 32 states and 50 transitions. [2024-11-13 23:29:44,066 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2024-11-13 23:29:44,066 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-13 23:29:44,066 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:29:44,066 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:29:44,066 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:29:44,067 INFO L229 MonitoredProcess]: Starting monitored process 1644 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:29:44,069 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1644)] Waiting until timeout for monitored process [2024-11-13 23:29:44,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:29:44,305 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:29:44,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:29:44,341 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-13 23:29:44,341 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:29:44,566 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 14 proven. 2 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2024-11-13 23:29:44,569 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1644)] Ended with exit code 0 [2024-11-13 23:29:44,590 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:29:44,590 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 32 states and 50 transitions. [2024-11-13 23:29:44,590 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2024-11-13 23:29:44,591 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-13 23:29:44,591 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:29:44,591 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:29:44,591 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:29:44,594 INFO L229 MonitoredProcess]: Starting monitored process 1645 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:29:44,595 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1645)] Waiting until timeout for monitored process [2024-11-13 23:29:44,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:29:44,854 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:29:44,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:29:44,905 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-13 23:29:44,905 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:29:45,016 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-13 23:29:45,018 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1645)] Ended with exit code 0 [2024-11-13 23:29:45,021 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:29:45,021 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 32 states and 50 transitions. [2024-11-13 23:29:45,021 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2024-11-13 23:29:45,021 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-13 23:29:45,021 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:29:45,021 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:29:45,021 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:29:45,023 INFO L229 MonitoredProcess]: Starting monitored process 1646 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:29:45,024 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1646)] Waiting until timeout for monitored process [2024-11-13 23:29:45,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:29:45,275 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:29:45,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:29:45,312 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-13 23:29:45,312 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:29:45,422 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-13 23:29:45,424 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1646)] Ended with exit code 0 [2024-11-13 23:29:45,426 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:29:45,426 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 32 states and 50 transitions. [2024-11-13 23:29:45,426 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2024-11-13 23:29:45,426 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-13 23:29:45,426 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:29:45,426 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:29:45,426 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:29:45,428 INFO L229 MonitoredProcess]: Starting monitored process 1647 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:29:45,429 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1647)] Waiting until timeout for monitored process [2024-11-13 23:29:45,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:29:45,664 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:29:45,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:29:45,720 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-13 23:29:45,721 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:29:45,833 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-13 23:29:45,836 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1647)] Ended with exit code 0 [2024-11-13 23:29:45,838 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:29:45,838 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 32 states and 50 transitions. [2024-11-13 23:29:45,839 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2024-11-13 23:29:45,839 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-13 23:29:45,839 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:29:45,839 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:29:45,839 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:29:45,840 INFO L229 MonitoredProcess]: Starting monitored process 1648 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:29:45,841 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1648)] Waiting until timeout for monitored process [2024-11-13 23:29:46,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:29:46,079 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:29:46,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:29:46,133 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-13 23:29:46,134 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:29:46,247 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-13 23:29:46,249 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1648)] Ended with exit code 0 [2024-11-13 23:29:46,252 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:29:46,252 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 32 states and 50 transitions. [2024-11-13 23:29:46,252 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2024-11-13 23:29:46,252 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-13 23:29:46,252 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:29:46,252 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:29:46,252 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:29:46,254 INFO L229 MonitoredProcess]: Starting monitored process 1649 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:29:46,254 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1649)] Waiting until timeout for monitored process [2024-11-13 23:29:46,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:29:46,492 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:29:46,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:29:46,556 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-13 23:29:46,557 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:29:46,672 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-13 23:29:46,675 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1649)] Forceful destruction successful, exit code 0 [2024-11-13 23:29:46,677 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:29:46,677 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 32 states and 50 transitions. [2024-11-13 23:29:46,677 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2024-11-13 23:29:46,677 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-13 23:29:46,677 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:29:46,677 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:29:46,677 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:29:46,679 INFO L229 MonitoredProcess]: Starting monitored process 1650 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:29:46,680 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1650)] Waiting until timeout for monitored process [2024-11-13 23:29:46,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:29:46,935 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:29:46,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:29:46,966 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-13 23:29:46,967 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:29:47,093 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-13 23:29:47,095 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1650)] Ended with exit code 0 [2024-11-13 23:29:47,097 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:29:47,097 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 32 states and 50 transitions. [2024-11-13 23:29:47,097 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2024-11-13 23:29:47,097 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-13 23:29:47,097 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:29:47,097 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:29:47,097 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:29:47,099 INFO L229 MonitoredProcess]: Starting monitored process 1651 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:29:47,100 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1651)] Waiting until timeout for monitored process [2024-11-13 23:29:47,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:29:47,348 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:29:47,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:29:47,379 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-13 23:29:47,380 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:29:47,493 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-13 23:29:47,496 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1651)] Ended with exit code 0 [2024-11-13 23:29:47,497 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:29:47,498 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 32 states and 50 transitions. [2024-11-13 23:29:47,498 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2024-11-13 23:29:47,498 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-13 23:29:47,498 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:29:47,498 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:29:47,498 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:29:47,499 INFO L229 MonitoredProcess]: Starting monitored process 1652 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:29:47,500 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1652)] Waiting until timeout for monitored process [2024-11-13 23:29:47,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:29:47,732 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:29:47,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:29:47,769 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-13 23:29:47,769 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:29:48,007 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 14 proven. 2 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2024-11-13 23:29:48,009 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1652)] Ended with exit code 0 [2024-11-13 23:29:48,027 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:29:48,028 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 32 states and 50 transitions. [2024-11-13 23:29:48,028 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2024-11-13 23:29:48,028 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-13 23:29:48,028 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:29:48,028 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:29:48,028 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:29:48,029 INFO L229 MonitoredProcess]: Starting monitored process 1653 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:29:48,033 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1653)] Waiting until timeout for monitored process [2024-11-13 23:29:48,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:29:48,274 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:29:48,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:29:48,323 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-13 23:29:48,324 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:29:48,433 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-13 23:29:48,435 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1653)] Ended with exit code 0 [2024-11-13 23:29:48,437 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:29:48,437 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 32 states and 50 transitions. [2024-11-13 23:29:48,437 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2024-11-13 23:29:48,437 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-13 23:29:48,437 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:29:48,437 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:29:48,437 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:29:48,439 INFO L229 MonitoredProcess]: Starting monitored process 1654 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:29:48,440 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1654)] Waiting until timeout for monitored process [2024-11-13 23:29:48,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:29:48,675 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:29:48,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:29:48,712 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-13 23:29:48,713 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:29:48,946 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 14 proven. 2 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2024-11-13 23:29:48,948 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1654)] Ended with exit code 0 [2024-11-13 23:29:48,962 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:29:48,962 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 32 states and 50 transitions. [2024-11-13 23:29:48,962 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2024-11-13 23:29:48,962 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-13 23:29:48,962 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:29:48,962 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:29:48,962 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:29:48,964 INFO L229 MonitoredProcess]: Starting monitored process 1655 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:29:48,965 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1655)] Waiting until timeout for monitored process [2024-11-13 23:29:49,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:29:49,200 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:29:49,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:29:49,232 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-13 23:29:49,233 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:29:49,352 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-13 23:29:49,354 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1655)] Ended with exit code 0 [2024-11-13 23:29:49,356 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:29:49,356 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 32 states and 50 transitions. [2024-11-13 23:29:49,356 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2024-11-13 23:29:49,356 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-13 23:29:49,356 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:29:49,356 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:29:49,356 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:29:49,358 INFO L229 MonitoredProcess]: Starting monitored process 1656 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:29:49,359 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1656)] Waiting until timeout for monitored process [2024-11-13 23:29:49,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:29:49,658 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:29:49,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:29:49,698 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-13 23:29:49,699 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:29:49,969 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 14 proven. 2 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2024-11-13 23:29:49,972 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1656)] Ended with exit code 0 [2024-11-13 23:29:49,987 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:29:49,987 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 32 states and 50 transitions. [2024-11-13 23:29:49,987 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2024-11-13 23:29:49,987 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-13 23:29:49,988 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:29:49,988 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:29:49,988 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:29:49,989 INFO L229 MonitoredProcess]: Starting monitored process 1657 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:29:49,990 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1657)] Waiting until timeout for monitored process [2024-11-13 23:29:50,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:29:50,237 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:29:50,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:29:50,275 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-13 23:29:50,275 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:29:50,399 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-13 23:29:50,402 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1657)] Ended with exit code 0 [2024-11-13 23:29:50,404 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:29:50,405 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 32 states and 50 transitions. [2024-11-13 23:29:50,405 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2024-11-13 23:29:50,405 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-13 23:29:50,405 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:29:50,405 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:29:50,405 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:29:50,406 INFO L229 MonitoredProcess]: Starting monitored process 1658 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:29:50,407 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1658)] Waiting until timeout for monitored process [2024-11-13 23:29:50,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:29:50,646 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:29:50,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:29:50,677 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-13 23:29:50,678 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:29:50,793 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-13 23:29:50,796 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1658)] Ended with exit code 0 [2024-11-13 23:29:50,798 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:29:50,798 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 32 states and 50 transitions. [2024-11-13 23:29:50,798 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2024-11-13 23:29:50,798 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-13 23:29:50,799 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:29:50,799 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:29:50,799 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:29:50,800 INFO L229 MonitoredProcess]: Starting monitored process 1659 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:29:50,801 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1659)] Waiting until timeout for monitored process [2024-11-13 23:29:51,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:29:51,039 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:29:51,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:29:51,120 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-13 23:29:51,120 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:29:51,228 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-13 23:29:51,231 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1659)] Ended with exit code 0 [2024-11-13 23:29:51,233 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:29:51,233 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 32 states and 50 transitions. [2024-11-13 23:29:51,233 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2024-11-13 23:29:51,233 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-13 23:29:51,233 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:29:51,233 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:29:51,233 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:29:51,235 INFO L229 MonitoredProcess]: Starting monitored process 1660 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:29:51,236 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1660)] Waiting until timeout for monitored process [2024-11-13 23:29:51,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:29:51,473 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:29:51,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:29:51,537 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-13 23:29:51,537 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:29:51,653 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-13 23:29:51,655 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1660)] Ended with exit code 0 [2024-11-13 23:29:51,657 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:29:51,657 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 32 states and 50 transitions. [2024-11-13 23:29:51,657 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2024-11-13 23:29:51,658 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-13 23:29:51,658 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:29:51,658 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:29:51,658 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:29:51,659 INFO L229 MonitoredProcess]: Starting monitored process 1661 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:29:51,660 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1661)] Waiting until timeout for monitored process [2024-11-13 23:29:51,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:29:51,898 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:29:51,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:29:51,930 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-13 23:29:51,931 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:29:52,041 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-13 23:29:52,044 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1661)] Ended with exit code 0 [2024-11-13 23:29:52,046 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:29:52,046 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 32 states and 50 transitions. [2024-11-13 23:29:52,046 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2024-11-13 23:29:52,046 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-13 23:29:52,046 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:29:52,047 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:29:52,047 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:29:52,048 INFO L229 MonitoredProcess]: Starting monitored process 1662 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:29:52,049 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1662)] Waiting until timeout for monitored process [2024-11-13 23:29:52,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:29:52,284 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:29:52,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:29:52,358 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-13 23:29:52,358 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:29:52,486 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-13 23:29:52,488 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1662)] Ended with exit code 0 [2024-11-13 23:29:52,490 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:29:52,491 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 32 states and 50 transitions. [2024-11-13 23:29:52,491 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2024-11-13 23:29:52,491 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-13 23:29:52,491 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:29:52,491 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:29:52,491 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:29:52,492 INFO L229 MonitoredProcess]: Starting monitored process 1663 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:29:52,493 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1663)] Waiting until timeout for monitored process [2024-11-13 23:29:52,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:29:52,729 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:29:52,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:29:52,762 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-13 23:29:52,763 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:29:52,872 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-13 23:29:52,875 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1663)] Ended with exit code 0 [2024-11-13 23:29:52,877 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:29:52,877 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 32 states and 50 transitions. [2024-11-13 23:29:52,877 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2024-11-13 23:29:52,877 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-13 23:29:52,877 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:29:52,877 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:29:52,878 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:29:52,879 INFO L229 MonitoredProcess]: Starting monitored process 1664 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:29:52,880 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1664)] Waiting until timeout for monitored process [2024-11-13 23:29:53,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:29:53,116 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:29:53,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:29:53,174 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-13 23:29:53,174 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:29:53,290 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-13 23:29:53,292 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1664)] Ended with exit code 0 [2024-11-13 23:29:53,294 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:29:53,294 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 32 states and 50 transitions. [2024-11-13 23:29:53,294 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2024-11-13 23:29:53,295 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-13 23:29:53,295 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:29:53,295 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:29:53,295 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:29:53,296 INFO L229 MonitoredProcess]: Starting monitored process 1665 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:29:53,297 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1665)] Waiting until timeout for monitored process [2024-11-13 23:29:53,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:29:53,533 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:29:53,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:29:53,563 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-13 23:29:53,564 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:29:53,677 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-13 23:29:53,679 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1665)] Ended with exit code 0 [2024-11-13 23:29:53,682 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:29:53,683 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 32 states and 50 transitions. [2024-11-13 23:29:53,683 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2024-11-13 23:29:53,683 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-13 23:29:53,683 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:29:53,683 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:29:53,683 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:29:53,684 INFO L229 MonitoredProcess]: Starting monitored process 1666 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:29:53,685 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1666)] Waiting until timeout for monitored process [2024-11-13 23:29:53,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:29:53,921 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:29:53,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:29:53,954 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-13 23:29:53,955 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:29:54,068 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-13 23:29:54,071 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1666)] Ended with exit code 0 [2024-11-13 23:29:54,074 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:29:54,074 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 32 states and 50 transitions. [2024-11-13 23:29:54,074 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2024-11-13 23:29:54,074 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-13 23:29:54,074 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:29:54,074 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:29:54,075 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:29:54,076 INFO L229 MonitoredProcess]: Starting monitored process 1667 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:29:54,077 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1667)] Waiting until timeout for monitored process [2024-11-13 23:29:54,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:29:54,313 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:29:54,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:29:54,369 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-13 23:29:54,370 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:29:54,480 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-13 23:29:54,483 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1667)] Ended with exit code 0 [2024-11-13 23:29:54,485 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:29:54,485 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 32 states and 50 transitions. [2024-11-13 23:29:54,485 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2024-11-13 23:29:54,485 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-13 23:29:54,485 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:29:54,485 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:29:54,485 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:29:54,486 INFO L229 MonitoredProcess]: Starting monitored process 1668 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:29:54,487 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1668)] Waiting until timeout for monitored process [2024-11-13 23:29:54,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:29:54,731 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:29:54,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:29:54,762 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-13 23:29:54,763 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:29:54,870 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-13 23:29:54,872 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1668)] Ended with exit code 0 [2024-11-13 23:29:54,875 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:29:54,875 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 32 states and 50 transitions. [2024-11-13 23:29:54,875 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2024-11-13 23:29:54,875 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-13 23:29:54,875 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:29:54,875 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:29:54,875 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:29:54,877 INFO L229 MonitoredProcess]: Starting monitored process 1669 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:29:54,878 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1669)] Waiting until timeout for monitored process [2024-11-13 23:29:55,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:29:55,115 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:29:55,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:29:55,175 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-13 23:29:55,176 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:29:55,291 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-13 23:29:55,294 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1669)] Ended with exit code 0 [2024-11-13 23:29:55,296 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:29:55,296 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 32 states and 50 transitions. [2024-11-13 23:29:55,296 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2024-11-13 23:29:55,296 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-13 23:29:55,296 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:29:55,296 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:29:55,296 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:29:55,298 INFO L229 MonitoredProcess]: Starting monitored process 1670 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:29:55,298 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1670)] Waiting until timeout for monitored process [2024-11-13 23:29:55,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:29:55,537 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:29:55,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:29:55,587 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-13 23:29:55,588 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:29:55,704 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-13 23:29:55,706 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1670)] Ended with exit code 0 [2024-11-13 23:29:55,708 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:29:55,709 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 32 states and 50 transitions. [2024-11-13 23:29:55,709 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2024-11-13 23:29:55,709 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-13 23:29:55,709 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:29:55,709 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:29:55,709 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:29:55,710 INFO L229 MonitoredProcess]: Starting monitored process 1671 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:29:55,711 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1671)] Waiting until timeout for monitored process [2024-11-13 23:29:55,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:29:55,948 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:29:55,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:29:55,982 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-13 23:29:55,983 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:29:56,095 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-13 23:29:56,097 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1671)] Ended with exit code 0 [2024-11-13 23:29:56,100 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:29:56,100 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 32 states and 50 transitions. [2024-11-13 23:29:56,100 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2024-11-13 23:29:56,100 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-13 23:29:56,100 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:29:56,100 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:29:56,100 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:29:56,102 INFO L229 MonitoredProcess]: Starting monitored process 1672 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:29:56,103 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1672)] Waiting until timeout for monitored process [2024-11-13 23:29:56,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:29:56,336 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:29:56,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:29:56,378 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-13 23:29:56,379 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:29:56,486 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-13 23:29:56,489 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1672)] Ended with exit code 0 [2024-11-13 23:29:56,491 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:29:56,491 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 32 states and 50 transitions. [2024-11-13 23:29:56,491 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2024-11-13 23:29:56,491 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-13 23:29:56,491 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:29:56,491 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:29:56,491 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:29:56,493 INFO L229 MonitoredProcess]: Starting monitored process 1673 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:29:56,494 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1673)] Waiting until timeout for monitored process [2024-11-13 23:29:56,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:29:56,729 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:29:56,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:29:56,766 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-13 23:29:56,767 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:29:57,000 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 14 proven. 2 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2024-11-13 23:29:57,003 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1673)] Ended with exit code 0 [2024-11-13 23:29:57,018 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:29:57,018 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 32 states and 50 transitions. [2024-11-13 23:29:57,018 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2024-11-13 23:29:57,018 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-13 23:29:57,018 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:29:57,018 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:29:57,018 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:29:57,020 INFO L229 MonitoredProcess]: Starting monitored process 1674 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:29:57,021 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1674)] Waiting until timeout for monitored process [2024-11-13 23:29:57,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:29:57,255 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:29:57,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:29:57,288 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-13 23:29:57,288 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:29:57,419 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-13 23:29:57,421 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1674)] Forceful destruction successful, exit code 0 [2024-11-13 23:29:57,423 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:29:57,423 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 32 states and 50 transitions. [2024-11-13 23:29:57,423 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2024-11-13 23:29:57,424 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-13 23:29:57,424 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:29:57,424 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:29:57,424 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:29:57,425 INFO L229 MonitoredProcess]: Starting monitored process 1675 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:29:57,426 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1675)] Waiting until timeout for monitored process [2024-11-13 23:29:57,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:29:57,666 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:29:57,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:29:57,708 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-13 23:29:57,709 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:29:57,872 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-13 23:29:57,874 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1675)] Ended with exit code 0 [2024-11-13 23:29:57,877 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:29:57,877 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 32 states and 50 transitions. [2024-11-13 23:29:57,877 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2024-11-13 23:29:57,877 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-13 23:29:57,877 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:29:57,877 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:29:57,877 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:29:57,879 INFO L229 MonitoredProcess]: Starting monitored process 1676 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:29:57,880 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1676)] Waiting until timeout for monitored process [2024-11-13 23:29:58,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:29:58,116 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:29:58,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:29:58,149 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-13 23:29:58,150 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:29:58,259 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-13 23:29:58,262 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1676)] Ended with exit code 0 [2024-11-13 23:29:58,264 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:29:58,264 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 32 states and 50 transitions. [2024-11-13 23:29:58,264 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2024-11-13 23:29:58,264 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-13 23:29:58,264 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:29:58,264 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:29:58,264 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:29:58,265 INFO L229 MonitoredProcess]: Starting monitored process 1677 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:29:58,266 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1677)] Waiting until timeout for monitored process [2024-11-13 23:29:58,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:29:58,502 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:29:58,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:29:58,544 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-13 23:29:58,544 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:29:58,654 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-13 23:29:58,657 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1677)] Forceful destruction successful, exit code 0 [2024-11-13 23:29:58,658 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:29:58,659 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 32 states and 50 transitions. [2024-11-13 23:29:58,659 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2024-11-13 23:29:58,659 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-13 23:29:58,659 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:29:58,659 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:29:58,659 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:29:58,660 INFO L229 MonitoredProcess]: Starting monitored process 1678 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:29:58,661 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1678)] Waiting until timeout for monitored process [2024-11-13 23:29:58,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:29:58,900 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:29:58,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:29:58,955 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-13 23:29:58,955 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:29:59,069 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-13 23:29:59,072 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1678)] Ended with exit code 0 [2024-11-13 23:29:59,074 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:29:59,074 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 32 states and 50 transitions. [2024-11-13 23:29:59,074 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2024-11-13 23:29:59,074 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-13 23:29:59,074 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:29:59,074 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:29:59,074 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:29:59,075 INFO L229 MonitoredProcess]: Starting monitored process 1679 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:29:59,077 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1679)] Waiting until timeout for monitored process [2024-11-13 23:29:59,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:29:59,316 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:29:59,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:29:59,355 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-13 23:29:59,356 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:29:59,504 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-13 23:29:59,508 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1679)] Forceful destruction successful, exit code 0 [2024-11-13 23:29:59,511 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:29:59,512 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 32 states and 50 transitions. [2024-11-13 23:29:59,512 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2024-11-13 23:29:59,512 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-13 23:29:59,512 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:29:59,512 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:29:59,512 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:29:59,514 INFO L229 MonitoredProcess]: Starting monitored process 1680 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:29:59,516 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1680)] Waiting until timeout for monitored process [2024-11-13 23:29:59,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:29:59,805 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:29:59,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:29:59,840 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-13 23:29:59,841 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:29:59,959 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-13 23:29:59,962 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1680)] Ended with exit code 0 [2024-11-13 23:29:59,964 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:29:59,964 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 32 states and 50 transitions. [2024-11-13 23:29:59,965 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2024-11-13 23:29:59,965 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-13 23:29:59,965 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:29:59,965 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:29:59,965 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:29:59,966 INFO L229 MonitoredProcess]: Starting monitored process 1681 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:29:59,967 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1681)] Waiting until timeout for monitored process [2024-11-13 23:30:00,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:30:00,206 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:30:00,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:30:00,240 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-13 23:30:00,240 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:30:00,359 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-13 23:30:00,362 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1681)] Ended with exit code 0 [2024-11-13 23:30:00,364 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:30:00,364 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 32 states and 50 transitions. [2024-11-13 23:30:00,364 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2024-11-13 23:30:00,364 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-13 23:30:00,365 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:30:00,365 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:30:00,365 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:30:00,366 INFO L229 MonitoredProcess]: Starting monitored process 1682 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:30:00,367 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1682)] Waiting until timeout for monitored process [2024-11-13 23:30:00,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:30:00,608 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:30:00,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:30:00,656 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-13 23:30:00,657 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:30:00,775 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-13 23:30:00,777 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1682)] Ended with exit code 0 [2024-11-13 23:30:00,780 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:30:00,781 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 32 states and 50 transitions. [2024-11-13 23:30:00,781 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2024-11-13 23:30:00,781 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-13 23:30:00,781 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:30:00,781 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:30:00,781 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:30:00,782 INFO L229 MonitoredProcess]: Starting monitored process 1683 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:30:00,783 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1683)] Waiting until timeout for monitored process [2024-11-13 23:30:01,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:30:01,023 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:30:01,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:30:01,057 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-13 23:30:01,057 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:30:01,173 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-13 23:30:01,176 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1683)] Ended with exit code 0 [2024-11-13 23:30:01,178 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:30:01,178 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 32 states and 50 transitions. [2024-11-13 23:30:01,178 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2024-11-13 23:30:01,178 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-13 23:30:01,178 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:30:01,178 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:30:01,178 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:30:01,179 INFO L229 MonitoredProcess]: Starting monitored process 1684 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:30:01,180 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1684)] Waiting until timeout for monitored process [2024-11-13 23:30:01,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:30:01,421 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:30:01,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:30:01,489 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-13 23:30:01,490 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:30:01,606 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-13 23:30:01,609 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1684)] Forceful destruction successful, exit code 0 [2024-11-13 23:30:01,611 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:30:01,611 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 32 states and 50 transitions. [2024-11-13 23:30:01,611 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2024-11-13 23:30:01,611 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-13 23:30:01,612 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:30:01,612 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:30:01,612 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:30:01,613 INFO L229 MonitoredProcess]: Starting monitored process 1685 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:30:01,614 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1685)] Waiting until timeout for monitored process [2024-11-13 23:30:01,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:30:01,854 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:30:01,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:30:01,886 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-13 23:30:01,887 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:30:01,998 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-13 23:30:02,001 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1685)] Ended with exit code 0 [2024-11-13 23:30:02,003 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:30:02,003 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 32 states and 50 transitions. [2024-11-13 23:30:02,003 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2024-11-13 23:30:02,004 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-13 23:30:02,004 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:30:02,004 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:30:02,004 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:30:02,005 INFO L229 MonitoredProcess]: Starting monitored process 1686 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:30:02,006 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1686)] Waiting until timeout for monitored process [2024-11-13 23:30:02,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:30:02,243 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:30:02,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:30:02,286 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-13 23:30:02,287 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:30:02,417 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-13 23:30:02,420 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1686)] Ended with exit code 0 [2024-11-13 23:30:02,422 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:30:02,422 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 32 states and 50 transitions. [2024-11-13 23:30:02,422 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2024-11-13 23:30:02,422 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-13 23:30:02,422 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:30:02,423 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:30:02,423 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:30:02,424 INFO L229 MonitoredProcess]: Starting monitored process 1687 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:30:02,425 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1687)] Waiting until timeout for monitored process [2024-11-13 23:30:02,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:30:02,660 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:30:02,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:30:02,690 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-13 23:30:02,691 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:30:02,815 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-13 23:30:02,817 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1687)] Forceful destruction successful, exit code 0 [2024-11-13 23:30:02,820 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:30:02,820 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 32 states and 50 transitions. [2024-11-13 23:30:02,820 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2024-11-13 23:30:02,820 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-13 23:30:02,820 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:30:02,820 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:30:02,820 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:30:02,822 INFO L229 MonitoredProcess]: Starting monitored process 1688 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:30:02,823 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1688)] Waiting until timeout for monitored process [2024-11-13 23:30:03,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:30:03,056 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:30:03,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:30:03,138 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-13 23:30:03,139 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:30:03,262 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-13 23:30:03,265 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1688)] Ended with exit code 0 [2024-11-13 23:30:03,267 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:30:03,267 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 32 states and 50 transitions. [2024-11-13 23:30:03,267 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2024-11-13 23:30:03,267 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-13 23:30:03,267 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:30:03,267 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:30:03,267 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:30:03,268 INFO L229 MonitoredProcess]: Starting monitored process 1689 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:30:03,269 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1689)] Waiting until timeout for monitored process [2024-11-13 23:30:03,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:30:03,510 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:30:03,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:30:03,543 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-13 23:30:03,544 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:30:03,653 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-13 23:30:03,655 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1689)] Ended with exit code 0 [2024-11-13 23:30:03,658 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:30:03,658 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 32 states and 50 transitions. [2024-11-13 23:30:03,658 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2024-11-13 23:30:03,658 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-13 23:30:03,658 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:30:03,658 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:30:03,658 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:30:03,660 INFO L229 MonitoredProcess]: Starting monitored process 1690 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:30:03,660 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1690)] Waiting until timeout for monitored process [2024-11-13 23:30:03,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:30:03,895 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:30:03,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:30:03,952 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-13 23:30:03,952 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:30:04,074 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-13 23:30:04,077 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1690)] Ended with exit code 0 [2024-11-13 23:30:04,079 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:30:04,079 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 32 states and 50 transitions. [2024-11-13 23:30:04,079 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2024-11-13 23:30:04,080 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-13 23:30:04,080 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:30:04,080 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:30:04,080 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:30:04,081 INFO L229 MonitoredProcess]: Starting monitored process 1691 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:30:04,082 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1691)] Waiting until timeout for monitored process [2024-11-13 23:30:04,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:30:04,315 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:30:04,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:30:04,351 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-13 23:30:04,352 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:30:04,591 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 14 proven. 2 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2024-11-13 23:30:04,594 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1691)] Forceful destruction successful, exit code 0 [2024-11-13 23:30:04,607 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:30:04,607 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 32 states and 50 transitions. [2024-11-13 23:30:04,607 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2024-11-13 23:30:04,607 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-13 23:30:04,607 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:30:04,608 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:30:04,608 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:30:04,609 INFO L229 MonitoredProcess]: Starting monitored process 1692 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:30:04,612 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1692)] Waiting until timeout for monitored process [2024-11-13 23:30:04,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:30:04,848 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:30:04,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:30:04,883 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-13 23:30:04,883 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:30:04,995 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-13 23:30:04,998 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1692)] Ended with exit code 0 [2024-11-13 23:30:05,000 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:30:05,000 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 32 states and 50 transitions. [2024-11-13 23:30:05,000 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2024-11-13 23:30:05,000 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-13 23:30:05,000 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:30:05,000 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:30:05,000 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:30:05,002 INFO L229 MonitoredProcess]: Starting monitored process 1693 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:30:05,002 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1693)] Waiting until timeout for monitored process [2024-11-13 23:30:05,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:30:05,245 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:30:05,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:30:05,295 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-13 23:30:05,296 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:30:05,409 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-13 23:30:05,412 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1693)] Ended with exit code 0 [2024-11-13 23:30:05,414 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:30:05,414 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 32 states and 50 transitions. [2024-11-13 23:30:05,414 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2024-11-13 23:30:05,414 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-13 23:30:05,414 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:30:05,414 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:30:05,414 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:30:05,416 INFO L229 MonitoredProcess]: Starting monitored process 1694 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:30:05,417 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1694)] Waiting until timeout for monitored process [2024-11-13 23:30:05,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:30:05,654 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:30:05,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:30:05,707 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-13 23:30:05,708 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:30:05,824 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-13 23:30:05,826 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1694)] Ended with exit code 0 [2024-11-13 23:30:05,829 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:30:05,829 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 32 states and 50 transitions. [2024-11-13 23:30:05,829 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2024-11-13 23:30:05,829 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-13 23:30:05,829 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:30:05,829 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:30:05,829 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:30:05,831 INFO L229 MonitoredProcess]: Starting monitored process 1695 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:30:05,831 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1695)] Waiting until timeout for monitored process [2024-11-13 23:30:06,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:30:06,071 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:30:06,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:30:06,105 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-13 23:30:06,106 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:30:06,220 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-13 23:30:06,223 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1695)] Ended with exit code 0 [2024-11-13 23:30:06,225 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:30:06,225 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 32 states and 50 transitions. [2024-11-13 23:30:06,225 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2024-11-13 23:30:06,225 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-13 23:30:06,225 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:30:06,225 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:30:06,225 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:30:06,226 INFO L229 MonitoredProcess]: Starting monitored process 1696 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:30:06,227 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1696)] Waiting until timeout for monitored process [2024-11-13 23:30:06,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:30:06,466 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:30:06,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:30:06,536 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-13 23:30:06,536 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:30:06,644 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-13 23:30:06,647 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1696)] Ended with exit code 0 [2024-11-13 23:30:06,649 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:30:06,649 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 32 states and 50 transitions. [2024-11-13 23:30:06,649 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2024-11-13 23:30:06,649 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-13 23:30:06,650 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:30:06,650 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:30:06,650 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:30:06,651 INFO L229 MonitoredProcess]: Starting monitored process 1697 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:30:06,652 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1697)] Waiting until timeout for monitored process [2024-11-13 23:30:06,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:30:06,889 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:30:06,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:30:06,958 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-13 23:30:06,958 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:30:07,068 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-13 23:30:07,071 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1697)] Ended with exit code 0 [2024-11-13 23:30:07,073 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:30:07,073 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 32 states and 50 transitions. [2024-11-13 23:30:07,073 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2024-11-13 23:30:07,074 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-13 23:30:07,074 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:30:07,074 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:30:07,074 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:30:07,075 INFO L229 MonitoredProcess]: Starting monitored process 1698 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:30:07,076 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1698)] Waiting until timeout for monitored process [2024-11-13 23:30:07,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:30:07,313 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:30:07,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:30:07,345 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-13 23:30:07,346 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:30:07,464 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-13 23:30:07,467 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1698)] Ended with exit code 0 [2024-11-13 23:30:07,469 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:30:07,469 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 32 states and 50 transitions. [2024-11-13 23:30:07,469 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2024-11-13 23:30:07,469 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-13 23:30:07,469 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:30:07,469 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:30:07,470 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:30:07,471 INFO L229 MonitoredProcess]: Starting monitored process 1699 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:30:07,472 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1699)] Waiting until timeout for monitored process [2024-11-13 23:30:07,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:30:07,711 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:30:07,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:30:07,747 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-13 23:30:07,747 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:30:08,005 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 14 proven. 2 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2024-11-13 23:30:08,009 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1699)] Ended with exit code 0 [2024-11-13 23:30:08,030 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:30:08,030 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 32 states and 50 transitions. [2024-11-13 23:30:08,030 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2024-11-13 23:30:08,030 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-13 23:30:08,030 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:30:08,030 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:30:08,030 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:30:08,032 INFO L229 MonitoredProcess]: Starting monitored process 1700 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:30:08,033 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1700)] Waiting until timeout for monitored process [2024-11-13 23:30:08,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:30:08,280 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:30:08,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:30:08,338 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-13 23:30:08,339 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:30:08,455 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-13 23:30:08,458 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1700)] Ended with exit code 0 [2024-11-13 23:30:08,460 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:30:08,460 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 32 states and 50 transitions. [2024-11-13 23:30:08,460 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2024-11-13 23:30:08,460 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-13 23:30:08,460 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:30:08,460 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:30:08,460 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:30:08,461 INFO L229 MonitoredProcess]: Starting monitored process 1701 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:30:08,462 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1701)] Waiting until timeout for monitored process [2024-11-13 23:30:08,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:30:08,754 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:30:08,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:30:08,807 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-13 23:30:08,807 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:30:08,939 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-13 23:30:08,942 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1701)] Forceful destruction successful, exit code 0 [2024-11-13 23:30:08,944 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:30:08,945 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 32 states and 50 transitions. [2024-11-13 23:30:08,945 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2024-11-13 23:30:08,945 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-13 23:30:08,945 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:30:08,945 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:30:08,945 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:30:08,946 INFO L229 MonitoredProcess]: Starting monitored process 1702 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:30:08,947 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1702)] Waiting until timeout for monitored process [2024-11-13 23:30:09,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:30:09,182 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:30:09,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:30:09,226 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-13 23:30:09,226 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:30:09,340 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-13 23:30:09,343 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1702)] Ended with exit code 0 [2024-11-13 23:30:09,345 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:30:09,345 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 32 states and 50 transitions. [2024-11-13 23:30:09,345 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2024-11-13 23:30:09,345 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-13 23:30:09,345 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:30:09,345 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:30:09,345 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:30:09,346 INFO L229 MonitoredProcess]: Starting monitored process 1703 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:30:09,348 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1703)] Waiting until timeout for monitored process [2024-11-13 23:30:09,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:30:09,685 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:30:09,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:30:09,732 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-13 23:30:09,733 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:30:09,904 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-13 23:30:09,906 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1703)] Ended with exit code 0 [2024-11-13 23:30:09,908 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:30:09,908 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 32 states and 50 transitions. [2024-11-13 23:30:09,908 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2024-11-13 23:30:09,909 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-13 23:30:09,909 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:30:09,909 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:30:09,909 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:30:09,910 INFO L229 MonitoredProcess]: Starting monitored process 1704 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:30:09,911 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1704)] Waiting until timeout for monitored process [2024-11-13 23:30:10,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:30:10,150 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:30:10,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:30:10,186 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-13 23:30:10,187 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:30:10,414 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 14 proven. 2 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2024-11-13 23:30:10,417 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1704)] Ended with exit code 0 [2024-11-13 23:30:10,436 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:30:10,436 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 32 states and 50 transitions. [2024-11-13 23:30:10,437 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2024-11-13 23:30:10,437 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-13 23:30:10,437 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:30:10,437 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:30:10,437 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:30:10,438 INFO L229 MonitoredProcess]: Starting monitored process 1705 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:30:10,439 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1705)] Waiting until timeout for monitored process [2024-11-13 23:30:10,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:30:10,674 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:30:10,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:30:10,739 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-13 23:30:10,739 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:30:10,855 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-13 23:30:10,858 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1705)] Ended with exit code 0 [2024-11-13 23:30:10,859 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:30:10,860 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 32 states and 50 transitions. [2024-11-13 23:30:10,860 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2024-11-13 23:30:10,860 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-13 23:30:10,860 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:30:10,860 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:30:10,860 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:30:10,861 INFO L229 MonitoredProcess]: Starting monitored process 1706 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:30:10,862 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1706)] Waiting until timeout for monitored process [2024-11-13 23:30:11,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:30:11,097 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:30:11,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:30:11,172 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-13 23:30:11,172 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:30:11,289 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-13 23:30:11,292 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1706)] Ended with exit code 0 [2024-11-13 23:30:11,295 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:30:11,295 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 32 states and 50 transitions. [2024-11-13 23:30:11,295 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2024-11-13 23:30:11,295 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-13 23:30:11,295 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:30:11,295 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:30:11,295 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:30:11,297 INFO L229 MonitoredProcess]: Starting monitored process 1707 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:30:11,297 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1707)] Waiting until timeout for monitored process [2024-11-13 23:30:11,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:30:11,537 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:30:11,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:30:11,587 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-13 23:30:11,587 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:30:11,713 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-13 23:30:11,715 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1707)] Ended with exit code 0 [2024-11-13 23:30:11,718 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:30:11,718 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 32 states and 50 transitions. [2024-11-13 23:30:11,718 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2024-11-13 23:30:11,719 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-13 23:30:11,719 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:30:11,719 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:30:11,719 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:30:11,720 INFO L229 MonitoredProcess]: Starting monitored process 1708 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:30:11,721 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1708)] Waiting until timeout for monitored process [2024-11-13 23:30:11,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:30:11,961 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:30:11,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:30:11,996 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-13 23:30:11,997 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:30:12,112 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-13 23:30:12,114 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1708)] Forceful destruction successful, exit code 0 [2024-11-13 23:30:12,117 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:30:12,117 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 32 states and 50 transitions. [2024-11-13 23:30:12,117 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2024-11-13 23:30:12,117 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-13 23:30:12,117 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:30:12,117 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:30:12,117 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:30:12,118 INFO L229 MonitoredProcess]: Starting monitored process 1709 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:30:12,119 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1709)] Waiting until timeout for monitored process [2024-11-13 23:30:12,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:30:12,355 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:30:12,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:30:12,410 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-13 23:30:12,411 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:30:12,526 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-13 23:30:12,528 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1709)] Ended with exit code 0 [2024-11-13 23:30:12,530 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:30:12,530 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 32 states and 50 transitions. [2024-11-13 23:30:12,530 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2024-11-13 23:30:12,531 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-13 23:30:12,531 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:30:12,531 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:30:12,531 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:30:12,532 INFO L229 MonitoredProcess]: Starting monitored process 1710 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:30:12,533 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1710)] Waiting until timeout for monitored process [2024-11-13 23:30:12,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:30:12,771 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:30:12,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:30:12,806 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-13 23:30:12,807 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:30:13,031 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 14 proven. 2 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2024-11-13 23:30:13,034 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1710)] Forceful destruction successful, exit code 0 [2024-11-13 23:30:13,048 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:30:13,048 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 32 states and 50 transitions. [2024-11-13 23:30:13,048 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2024-11-13 23:30:13,048 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-13 23:30:13,048 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:30:13,048 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:30:13,048 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:30:13,050 INFO L229 MonitoredProcess]: Starting monitored process 1711 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:30:13,050 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1711)] Waiting until timeout for monitored process [2024-11-13 23:30:13,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:30:13,290 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:30:13,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:30:13,322 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-13 23:30:13,322 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:30:13,434 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-13 23:30:13,437 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1711)] Ended with exit code 0 [2024-11-13 23:30:13,440 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:30:13,440 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 32 states and 50 transitions. [2024-11-13 23:30:13,440 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2024-11-13 23:30:13,440 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-13 23:30:13,440 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:30:13,440 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:30:13,440 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:30:13,442 INFO L229 MonitoredProcess]: Starting monitored process 1712 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:30:13,443 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1712)] Waiting until timeout for monitored process [2024-11-13 23:30:13,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:30:13,683 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:30:13,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:30:13,714 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-13 23:30:13,715 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:30:13,831 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-13 23:30:13,834 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1712)] Ended with exit code 0 [2024-11-13 23:30:13,836 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:30:13,836 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 32 states and 50 transitions. [2024-11-13 23:30:13,836 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2024-11-13 23:30:13,836 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-13 23:30:13,836 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:30:13,836 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:30:13,836 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:30:13,838 INFO L229 MonitoredProcess]: Starting monitored process 1713 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:30:13,839 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1713)] Waiting until timeout for monitored process [2024-11-13 23:30:14,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:30:14,080 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:30:14,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:30:14,117 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-13 23:30:14,117 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:30:14,343 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 14 proven. 2 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2024-11-13 23:30:14,346 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1713)] Ended with exit code 0 [2024-11-13 23:30:14,368 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:30:14,369 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 32 states and 50 transitions. [2024-11-13 23:30:14,369 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2024-11-13 23:30:14,369 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-13 23:30:14,369 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:30:14,369 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:30:14,369 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:30:14,370 INFO L229 MonitoredProcess]: Starting monitored process 1714 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:30:14,371 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1714)] Waiting until timeout for monitored process [2024-11-13 23:30:14,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:30:14,637 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:30:14,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:30:14,687 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-13 23:30:14,688 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:30:14,798 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-13 23:30:14,801 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1714)] Ended with exit code 0 [2024-11-13 23:30:14,803 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:30:14,803 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 32 states and 50 transitions. [2024-11-13 23:30:14,803 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2024-11-13 23:30:14,803 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-13 23:30:14,803 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:30:14,803 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:30:14,803 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:30:14,805 INFO L229 MonitoredProcess]: Starting monitored process 1715 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:30:14,806 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1715)] Waiting until timeout for monitored process [2024-11-13 23:30:15,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:30:15,052 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:30:15,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:30:15,088 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-13 23:30:15,089 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:30:15,321 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 14 proven. 2 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2024-11-13 23:30:15,324 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1715)] Forceful destruction successful, exit code 0 [2024-11-13 23:30:15,341 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:30:15,342 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 32 states and 50 transitions. [2024-11-13 23:30:15,342 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2024-11-13 23:30:15,342 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-13 23:30:15,342 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:30:15,342 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:30:15,342 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:30:15,343 INFO L229 MonitoredProcess]: Starting monitored process 1716 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:30:15,344 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1716)] Waiting until timeout for monitored process [2024-11-13 23:30:15,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:30:15,583 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:30:15,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:30:15,616 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-13 23:30:15,616 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:30:15,737 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-13 23:30:15,739 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1716)] Ended with exit code 0 [2024-11-13 23:30:15,741 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:30:15,742 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 32 states and 50 transitions. [2024-11-13 23:30:15,742 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2024-11-13 23:30:15,742 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-13 23:30:15,742 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:30:15,742 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:30:15,742 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:30:15,743 INFO L229 MonitoredProcess]: Starting monitored process 1717 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:30:15,744 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1717)] Waiting until timeout for monitored process [2024-11-13 23:30:16,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:30:16,010 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:30:16,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:30:16,052 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-13 23:30:16,052 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:30:16,333 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 14 proven. 2 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2024-11-13 23:30:16,336 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1717)] Ended with exit code 0 [2024-11-13 23:30:16,358 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:30:16,358 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 32 states and 50 transitions. [2024-11-13 23:30:16,358 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2024-11-13 23:30:16,358 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-13 23:30:16,358 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:30:16,358 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:30:16,358 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:30:16,360 INFO L229 MonitoredProcess]: Starting monitored process 1718 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:30:16,361 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1718)] Waiting until timeout for monitored process [2024-11-13 23:30:16,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:30:16,645 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:30:16,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:30:16,741 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-13 23:30:16,741 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:30:17,001 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 14 proven. 2 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2024-11-13 23:30:17,004 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1718)] Forceful destruction successful, exit code 0 [2024-11-13 23:30:17,020 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:30:17,020 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 32 states and 50 transitions. [2024-11-13 23:30:17,020 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2024-11-13 23:30:17,020 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-13 23:30:17,020 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:30:17,020 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:30:17,020 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:30:17,022 INFO L229 MonitoredProcess]: Starting monitored process 1719 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:30:17,023 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1719)] Waiting until timeout for monitored process [2024-11-13 23:30:17,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:30:17,307 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:30:17,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:30:17,387 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-13 23:30:17,387 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:30:17,525 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-13 23:30:17,528 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1719)] Ended with exit code 0 [2024-11-13 23:30:17,531 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:30:17,531 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 32 states and 50 transitions. [2024-11-13 23:30:17,531 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2024-11-13 23:30:17,532 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-13 23:30:17,532 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:30:17,532 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:30:17,532 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:30:17,534 INFO L229 MonitoredProcess]: Starting monitored process 1720 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:30:17,535 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1720)] Waiting until timeout for monitored process [2024-11-13 23:30:17,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:30:17,816 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:30:17,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:30:17,870 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-13 23:30:17,871 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:30:17,998 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-13 23:30:18,001 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1720)] Ended with exit code 0 [2024-11-13 23:30:18,003 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:30:18,003 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 32 states and 50 transitions. [2024-11-13 23:30:18,003 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2024-11-13 23:30:18,003 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-13 23:30:18,003 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:30:18,003 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:30:18,004 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:30:18,005 INFO L229 MonitoredProcess]: Starting monitored process 1721 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:30:18,006 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1721)] Waiting until timeout for monitored process [2024-11-13 23:30:18,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:30:18,291 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:30:18,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:30:18,326 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-13 23:30:18,327 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:30:18,458 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-13 23:30:18,461 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1721)] Ended with exit code 0 [2024-11-13 23:30:18,463 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:30:18,463 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 32 states and 50 transitions. [2024-11-13 23:30:18,463 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2024-11-13 23:30:18,463 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-13 23:30:18,463 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:30:18,463 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:30:18,463 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:30:18,465 INFO L229 MonitoredProcess]: Starting monitored process 1722 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:30:18,466 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1722)] Waiting until timeout for monitored process [2024-11-13 23:30:18,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:30:18,740 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:30:18,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:30:18,783 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-13 23:30:18,783 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:30:19,045 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 14 proven. 2 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2024-11-13 23:30:19,047 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1722)] Ended with exit code 0 [2024-11-13 23:30:19,064 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:30:19,064 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 32 states and 50 transitions. [2024-11-13 23:30:19,064 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2024-11-13 23:30:19,064 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-13 23:30:19,064 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:30:19,064 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:30:19,064 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:30:19,066 INFO L229 MonitoredProcess]: Starting monitored process 1723 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:30:19,067 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1723)] Waiting until timeout for monitored process [2024-11-13 23:30:19,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:30:19,346 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:30:19,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:30:19,387 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-13 23:30:19,388 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:30:19,522 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-13 23:30:19,525 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1723)] Ended with exit code 0 [2024-11-13 23:30:19,528 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:30:19,529 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 32 states and 50 transitions. [2024-11-13 23:30:19,529 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2024-11-13 23:30:19,529 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-13 23:30:19,529 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:30:19,529 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:30:19,529 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:30:19,531 INFO L229 MonitoredProcess]: Starting monitored process 1724 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:30:19,532 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1724)] Waiting until timeout for monitored process [2024-11-13 23:30:19,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:30:19,812 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:30:19,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:30:19,868 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-13 23:30:19,868 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:30:20,013 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-13 23:30:20,017 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1724)] Ended with exit code 0 [2024-11-13 23:30:20,020 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:30:20,020 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 32 states and 50 transitions. [2024-11-13 23:30:20,020 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2024-11-13 23:30:20,020 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-13 23:30:20,020 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:30:20,020 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:30:20,020 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:30:20,022 INFO L229 MonitoredProcess]: Starting monitored process 1725 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:30:20,023 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1725)] Waiting until timeout for monitored process [2024-11-13 23:30:20,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:30:20,302 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:30:20,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:30:20,344 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-13 23:30:20,344 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:30:20,680 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 14 proven. 2 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2024-11-13 23:30:20,683 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1725)] Ended with exit code 0 [2024-11-13 23:30:20,702 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:30:20,702 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 32 states and 50 transitions. [2024-11-13 23:30:20,702 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2024-11-13 23:30:20,703 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-13 23:30:20,703 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:30:20,703 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:30:20,703 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:30:20,704 INFO L229 MonitoredProcess]: Starting monitored process 1726 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:30:20,705 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1726)] Waiting until timeout for monitored process [2024-11-13 23:30:20,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:30:20,983 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:30:21,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:30:21,022 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-13 23:30:21,023 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:30:21,166 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-13 23:30:21,170 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1726)] Forceful destruction successful, exit code 0 [2024-11-13 23:30:21,173 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:30:21,174 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 32 states and 50 transitions. [2024-11-13 23:30:21,174 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2024-11-13 23:30:21,174 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-13 23:30:21,174 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:30:21,174 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:30:21,174 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:30:21,178 INFO L229 MonitoredProcess]: Starting monitored process 1727 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:30:21,179 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1727)] Waiting until timeout for monitored process [2024-11-13 23:30:21,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:30:21,461 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:30:21,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:30:21,499 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-13 23:30:21,499 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:30:21,629 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-13 23:30:21,632 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1727)] Ended with exit code 0 [2024-11-13 23:30:21,634 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:30:21,634 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 32 states and 50 transitions. [2024-11-13 23:30:21,634 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2024-11-13 23:30:21,635 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-13 23:30:21,635 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:30:21,635 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:30:21,635 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:30:21,636 INFO L229 MonitoredProcess]: Starting monitored process 1728 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:30:21,638 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1728)] Waiting until timeout for monitored process [2024-11-13 23:30:21,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:30:21,918 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:30:21,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:30:21,976 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-13 23:30:21,977 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:30:22,101 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-13 23:30:22,104 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1728)] Ended with exit code 0 [2024-11-13 23:30:22,107 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:30:22,107 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 32 states and 50 transitions. [2024-11-13 23:30:22,107 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2024-11-13 23:30:22,107 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-13 23:30:22,107 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:30:22,107 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:30:22,107 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:30:22,109 INFO L229 MonitoredProcess]: Starting monitored process 1729 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:30:22,110 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1729)] Waiting until timeout for monitored process [2024-11-13 23:30:22,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:30:22,389 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:30:22,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:30:22,426 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-13 23:30:22,427 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:30:22,567 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-13 23:30:22,570 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1729)] Ended with exit code 0 [2024-11-13 23:30:22,573 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:30:22,574 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 32 states and 50 transitions. [2024-11-13 23:30:22,574 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2024-11-13 23:30:22,574 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-13 23:30:22,574 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:30:22,574 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:30:22,574 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:30:22,576 INFO L229 MonitoredProcess]: Starting monitored process 1730 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:30:22,577 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1730)] Waiting until timeout for monitored process [2024-11-13 23:30:22,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:30:22,858 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:30:22,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:30:22,901 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-13 23:30:22,901 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:30:23,264 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 14 proven. 2 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2024-11-13 23:30:23,267 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1730)] Ended with exit code 0 [2024-11-13 23:30:23,284 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:30:23,284 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 32 states and 50 transitions. [2024-11-13 23:30:23,284 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2024-11-13 23:30:23,284 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-13 23:30:23,285 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:30:23,285 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:30:23,285 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:30:23,286 INFO L229 MonitoredProcess]: Starting monitored process 1731 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:30:23,287 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1731)] Waiting until timeout for monitored process [2024-11-13 23:30:23,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:30:23,569 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:30:23,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:30:23,669 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-13 23:30:23,669 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:30:23,800 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-13 23:30:23,803 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1731)] Ended with exit code 0 [2024-11-13 23:30:23,806 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:30:23,806 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 32 states and 50 transitions. [2024-11-13 23:30:23,806 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2024-11-13 23:30:23,806 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-13 23:30:23,807 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:30:23,807 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:30:23,807 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:30:23,808 INFO L229 MonitoredProcess]: Starting monitored process 1732 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:30:23,809 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1732)] Waiting until timeout for monitored process [2024-11-13 23:30:24,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:30:24,090 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:30:24,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:30:24,159 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-13 23:30:24,159 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:30:24,295 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-13 23:30:24,298 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1732)] Ended with exit code 0 [2024-11-13 23:30:24,301 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:30:24,301 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 32 states and 50 transitions. [2024-11-13 23:30:24,301 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2024-11-13 23:30:24,301 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-13 23:30:24,301 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:30:24,301 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:30:24,301 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:30:24,303 INFO L229 MonitoredProcess]: Starting monitored process 1733 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:30:24,304 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1733)] Waiting until timeout for monitored process [2024-11-13 23:30:24,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:30:24,585 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:30:24,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:30:24,621 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-13 23:30:24,622 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:30:24,748 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-13 23:30:24,751 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1733)] Ended with exit code 0 [2024-11-13 23:30:24,753 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:30:24,753 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 32 states and 50 transitions. [2024-11-13 23:30:24,753 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2024-11-13 23:30:24,753 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-13 23:30:24,753 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:30:24,753 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:30:24,754 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:30:24,755 INFO L229 MonitoredProcess]: Starting monitored process 1734 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:30:24,756 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb1437-8a05-49ce-b00f-ab63b00b3a1b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1734)] Waiting until timeout for monitored process [2024-11-13 23:30:25,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:30:25,027 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:30:25,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:30:25,067 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-13 23:30:25,067 INFO L278 TraceCheckSpWp]: Computing forward predicates...