./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-87.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version d790fecc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/config/KojakReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-87.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3 --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash e560e39513eb26595349bb5183c466d93aeda0a374e3c004705ee1f38a5b90f4 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-25 04:14:16,554 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-25 04:14:16,654 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-11-25 04:14:16,660 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-25 04:14:16,660 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-25 04:14:16,688 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-25 04:14:16,689 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-25 04:14:16,689 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-25 04:14:16,690 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-25 04:14:16,690 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-25 04:14:16,690 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-25 04:14:16,690 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-25 04:14:16,690 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-25 04:14:16,691 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-25 04:14:16,691 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-25 04:14:16,691 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-25 04:14:16,691 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-25 04:14:16,691 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-25 04:14:16,692 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-25 04:14:16,692 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-25 04:14:16,692 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-25 04:14:16,692 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-25 04:14:16,692 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-25 04:14:16,693 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-25 04:14:16,693 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-25 04:14:16,693 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-25 04:14:16,693 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-25 04:14:16,693 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 04:14:16,694 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-25 04:14:16,694 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-25 04:14:16,694 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-25 04:14:16,694 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-25 04:14:16,694 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-25 04:14:16,694 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_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e560e39513eb26595349bb5183c466d93aeda0a374e3c004705ee1f38a5b90f4 [2024-11-25 04:14:17,063 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-25 04:14:17,078 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-25 04:14:17,084 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-25 04:14:17,085 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-25 04:14:17,086 INFO L274 PluginConnector]: CDTParser initialized [2024-11-25 04:14:17,089 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-87.i [2024-11-25 04:14:20,412 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/data/beee6e299/c3ab623f7ad943ef9e92caa2199874bb/FLAG52eb7c32a [2024-11-25 04:14:20,777 INFO L384 CDTParser]: Found 1 translation units. [2024-11-25 04:14:20,781 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-87.i [2024-11-25 04:14:20,792 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/data/beee6e299/c3ab623f7ad943ef9e92caa2199874bb/FLAG52eb7c32a [2024-11-25 04:14:20,824 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/data/beee6e299/c3ab623f7ad943ef9e92caa2199874bb [2024-11-25 04:14:20,828 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-25 04:14:20,832 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-25 04:14:20,837 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-25 04:14:20,837 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-25 04:14:20,843 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-25 04:14:20,845 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 04:14:20" (1/1) ... [2024-11-25 04:14:20,846 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@213de491 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:14:20, skipping insertion in model container [2024-11-25 04:14:20,847 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 04:14:20" (1/1) ... [2024-11-25 04:14:20,881 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-25 04:14:21,100 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_4d2bd686-3a0e-4c73-aeec-94bb28634dac/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-87.i[915,928] [2024-11-25 04:14:21,158 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 04:14:21,175 INFO L200 MainTranslator]: Completed pre-run [2024-11-25 04:14:21,191 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_4d2bd686-3a0e-4c73-aeec-94bb28634dac/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-87.i[915,928] [2024-11-25 04:14:21,211 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 04:14:21,231 INFO L204 MainTranslator]: Completed translation [2024-11-25 04:14:21,231 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:14:21 WrapperNode [2024-11-25 04:14:21,232 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-25 04:14:21,233 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-25 04:14:21,233 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-25 04:14:21,233 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-25 04:14:21,242 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:14:21" (1/1) ... [2024-11-25 04:14:21,251 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:14:21" (1/1) ... [2024-11-25 04:14:21,273 INFO L138 Inliner]: procedures = 26, calls = 24, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 79 [2024-11-25 04:14:21,273 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-25 04:14:21,274 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-25 04:14:21,274 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-25 04:14:21,274 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-25 04:14:21,284 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:14:21" (1/1) ... [2024-11-25 04:14:21,284 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:14:21" (1/1) ... [2024-11-25 04:14:21,286 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:14:21" (1/1) ... [2024-11-25 04:14:21,287 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:14:21" (1/1) ... [2024-11-25 04:14:21,292 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:14:21" (1/1) ... [2024-11-25 04:14:21,294 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:14:21" (1/1) ... [2024-11-25 04:14:21,297 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:14:21" (1/1) ... [2024-11-25 04:14:21,299 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:14:21" (1/1) ... [2024-11-25 04:14:21,300 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:14:21" (1/1) ... [2024-11-25 04:14:21,302 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-25 04:14:21,303 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-25 04:14:21,303 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-25 04:14:21,303 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-25 04:14:21,305 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:14:21" (1/1) ... [2024-11-25 04:14:21,313 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 04:14:21,330 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/z3 [2024-11-25 04:14:21,354 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-25 04:14:21,357 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-25 04:14:21,385 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-25 04:14:21,385 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-25 04:14:21,386 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-25 04:14:21,386 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-25 04:14:21,386 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-25 04:14:21,386 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-25 04:14:21,462 INFO L234 CfgBuilder]: Building ICFG [2024-11-25 04:14:21,464 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-25 04:14:21,723 INFO L? ?]: Removed 10 outVars from TransFormulas that were not future-live. [2024-11-25 04:14:21,724 INFO L283 CfgBuilder]: Performing block encoding [2024-11-25 04:14:21,829 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-25 04:14:21,829 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-25 04:14:21,829 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 04:14:21 BoogieIcfgContainer [2024-11-25 04:14:21,829 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-25 04:14:21,830 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-25 04:14:21,830 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-25 04:14:21,844 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-25 04:14:21,844 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 04:14:21" (1/1) ... [2024-11-25 04:14:21,859 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-25 04:14:21,915 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:14:21,927 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 26 states and 37 transitions. [2024-11-25 04:14:21,928 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 37 transitions. [2024-11-25 04:14:21,934 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-25 04:14:21,935 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:14:21,936 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 04:14:22,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 04:14:22,227 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-25 04:14:22,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 04:14:22,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 04:14:22,498 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-25 04:14:22,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 04:14:22,640 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-11-25 04:14:22,718 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 25.11 04:14:22 ImpRootNode [2024-11-25 04:14:22,718 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-25 04:14:22,722 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-25 04:14:22,722 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-25 04:14:22,723 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-25 04:14:22,724 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 04:14:21" (3/4) ... [2024-11-25 04:14:22,727 INFO L149 WitnessPrinter]: No result that supports witness generation found [2024-11-25 04:14:22,729 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-25 04:14:22,734 INFO L158 Benchmark]: Toolchain (without parser) took 1899.08ms. Allocated memory is still 117.4MB. Free memory was 94.2MB in the beginning and 88.1MB in the end (delta: 6.1MB). Peak memory consumption was 4.7MB. Max. memory is 16.1GB. [2024-11-25 04:14:22,735 INFO L158 Benchmark]: CDTParser took 0.57ms. Allocated memory is still 167.8MB. Free memory is still 103.9MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 04:14:22,735 INFO L158 Benchmark]: CACSL2BoogieTranslator took 395.21ms. Allocated memory is still 117.4MB. Free memory was 94.2MB in the beginning and 82.2MB in the end (delta: 11.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-25 04:14:22,736 INFO L158 Benchmark]: Boogie Procedure Inliner took 40.76ms. Allocated memory is still 117.4MB. Free memory was 82.2MB in the beginning and 80.7MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 04:14:22,736 INFO L158 Benchmark]: Boogie Preprocessor took 28.43ms. Allocated memory is still 117.4MB. Free memory was 80.7MB in the beginning and 79.6MB in the end (delta: 1.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-25 04:14:22,737 INFO L158 Benchmark]: RCFGBuilder took 526.37ms. Allocated memory is still 117.4MB. Free memory was 79.6MB in the beginning and 62.4MB in the end (delta: 17.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-25 04:14:22,737 INFO L158 Benchmark]: CodeCheck took 887.59ms. Allocated memory is still 117.4MB. Free memory was 62.4MB in the beginning and 88.1MB in the end (delta: -25.7MB). Peak memory consumption was 32.5MB. Max. memory is 16.1GB. [2024-11-25 04:14:22,738 INFO L158 Benchmark]: Witness Printer took 8.13ms. Allocated memory is still 117.4MB. Free memory was 88.1MB in the beginning and 88.1MB in the end (delta: 21.0kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 04:14:22,744 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, 26 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.8s, OverallIterations: 1, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: 0 DeclaredPredicates, 0 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 43 NumberOfCodeBlocks, 43 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available, ConComCheckerStatistics: No data available - UnprovableResult [Line: 19]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of someBinaryFLOATComparisonOperation at line 62, overapproximation of someBinaryFLOATComparisonOperation at line 67. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] unsigned char var_1_1 = 1; [L23] unsigned short int var_1_3 = 64; [L24] signed long int var_1_4 = 5; [L25] unsigned char var_1_5 = 1; [L26] unsigned char var_1_6 = 0; [L27] unsigned char var_1_7 = 0; [L28] unsigned long int var_1_8 = 0; [L29] float var_1_9 = 256.75; [L30] float var_1_10 = 99.2; [L71] isInitial = 1 [L72] FCALL initially() [L74] FCALL updateLastVariables() [L75] CALL updateVariables() [L46] var_1_3 = __VERIFIER_nondet_ushort() [L47] CALL assume_abort_if_not(var_1_3 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=496/5, var_1_1=1, var_1_4=5, var_1_5=1, var_1_6=0, var_1_7=0, var_1_8=0, var_1_9=1027/4] [L20] COND FALSE !(!cond) [L47] RET assume_abort_if_not(var_1_3 >= 0) VAL [isInitial=1, var_1_10=496/5, var_1_1=1, var_1_4=5, var_1_5=1, var_1_6=0, var_1_7=0, var_1_8=0, var_1_9=1027/4] [L48] CALL assume_abort_if_not(var_1_3 <= 65535) VAL [\old(cond)=1, isInitial=1, var_1_10=496/5, var_1_1=1, var_1_4=5, var_1_5=1, var_1_6=0, var_1_7=0, var_1_8=0, var_1_9=1027/4] [L20] COND FALSE !(!cond) [L48] RET assume_abort_if_not(var_1_3 <= 65535) VAL [isInitial=1, var_1_10=496/5, var_1_1=1, var_1_4=5, var_1_5=1, var_1_6=0, var_1_7=0, var_1_8=0, var_1_9=1027/4] [L49] var_1_4 = __VERIFIER_nondet_long() [L50] CALL assume_abort_if_not(var_1_4 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=496/5, var_1_1=1, var_1_4=10, var_1_5=1, var_1_6=0, var_1_7=0, var_1_8=0, var_1_9=1027/4] [L20] COND FALSE !(!cond) [L50] RET assume_abort_if_not(var_1_4 >= 0) VAL [isInitial=1, var_1_10=496/5, var_1_1=1, var_1_4=10, var_1_5=1, var_1_6=0, var_1_7=0, var_1_8=0, var_1_9=1027/4] [L51] CALL assume_abort_if_not(var_1_4 <= 2147483647) VAL [\old(cond)=1, isInitial=1, var_1_10=496/5, var_1_1=1, var_1_4=10, var_1_5=1, var_1_6=0, var_1_7=0, var_1_8=0, var_1_9=1027/4] [L20] COND FALSE !(!cond) [L51] RET assume_abort_if_not(var_1_4 <= 2147483647) VAL [isInitial=1, var_1_10=496/5, var_1_1=1, var_1_4=10, var_1_5=1, var_1_6=0, var_1_7=0, var_1_8=0, var_1_9=1027/4] [L52] var_1_5 = __VERIFIER_nondet_uchar() [L53] CALL assume_abort_if_not(var_1_5 >= 1) VAL [\old(cond)=1, isInitial=1, var_1_10=496/5, var_1_1=1, var_1_4=10, var_1_5=1, var_1_6=0, var_1_7=0, var_1_8=0, var_1_9=1027/4] [L20] COND FALSE !(!cond) [L53] RET assume_abort_if_not(var_1_5 >= 1) VAL [isInitial=1, var_1_10=496/5, var_1_1=1, var_1_4=10, var_1_5=1, var_1_6=0, var_1_7=0, var_1_8=0, var_1_9=1027/4] [L54] CALL assume_abort_if_not(var_1_5 <= 1) VAL [\old(cond)=1, isInitial=1, var_1_10=496/5, var_1_1=1, var_1_4=10, var_1_5=1, var_1_6=0, var_1_7=0, var_1_8=0, var_1_9=1027/4] [L20] COND FALSE !(!cond) [L54] RET assume_abort_if_not(var_1_5 <= 1) VAL [isInitial=1, var_1_10=496/5, var_1_1=1, var_1_4=10, var_1_5=1, var_1_6=0, var_1_7=0, var_1_8=0, var_1_9=1027/4] [L55] var_1_6 = __VERIFIER_nondet_uchar() [L56] CALL assume_abort_if_not(var_1_6 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=496/5, var_1_1=1, var_1_4=10, var_1_5=1, var_1_7=0, var_1_8=0, var_1_9=1027/4] [L20] COND FALSE !(!cond) [L56] RET assume_abort_if_not(var_1_6 >= 0) VAL [isInitial=1, var_1_10=496/5, var_1_1=1, var_1_4=10, var_1_5=1, var_1_7=0, var_1_8=0, var_1_9=1027/4] [L57] CALL assume_abort_if_not(var_1_6 <= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=496/5, var_1_1=1, var_1_4=10, var_1_5=1, var_1_6=0, var_1_7=0, var_1_8=0, var_1_9=1027/4] [L20] COND FALSE !(!cond) [L57] RET assume_abort_if_not(var_1_6 <= 0) VAL [isInitial=1, var_1_10=496/5, var_1_1=1, var_1_4=10, var_1_5=1, var_1_6=0, var_1_7=0, var_1_8=0, var_1_9=1027/4] [L58] var_1_7 = __VERIFIER_nondet_uchar() [L59] CALL assume_abort_if_not(var_1_7 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=496/5, var_1_1=1, var_1_4=10, var_1_5=1, var_1_6=0, var_1_8=0, var_1_9=1027/4] [L20] COND FALSE !(!cond) [L59] RET assume_abort_if_not(var_1_7 >= 0) VAL [isInitial=1, var_1_10=496/5, var_1_1=1, var_1_4=10, var_1_5=1, var_1_6=0, var_1_8=0, var_1_9=1027/4] [L60] CALL assume_abort_if_not(var_1_7 <= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=496/5, var_1_1=1, var_1_4=10, var_1_5=1, var_1_6=0, var_1_7=0, var_1_8=0, var_1_9=1027/4] [L20] COND FALSE !(!cond) [L60] RET assume_abort_if_not(var_1_7 <= 0) VAL [isInitial=1, var_1_10=496/5, var_1_1=1, var_1_4=10, var_1_5=1, var_1_6=0, var_1_7=0, var_1_8=0, var_1_9=1027/4] [L61] var_1_10 = __VERIFIER_nondet_float() [L62] CALL assume_abort_if_not((var_1_10 >= -922337.2036854765600e+13F && var_1_10 <= -1.0e-20F) || (var_1_10 <= 9223372.036854765600e+12F && var_1_10 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_1=1, var_1_4=10, var_1_5=1, var_1_6=0, var_1_7=0, var_1_8=0, var_1_9=1027/4] [L20] COND FALSE !(!cond) [L62] RET assume_abort_if_not((var_1_10 >= -922337.2036854765600e+13F && var_1_10 <= -1.0e-20F) || (var_1_10 <= 9223372.036854765600e+12F && var_1_10 >= 1.0e-20F )) VAL [isInitial=1, var_1_1=1, var_1_4=10, var_1_5=1, var_1_6=0, var_1_7=0, var_1_8=0, var_1_9=1027/4] [L75] RET updateVariables() [L76] CALL step() [L34] var_1_8 = var_1_3 [L35] var_1_9 = var_1_10 [L36] signed long int stepLocal_0 = 10 - var_1_4; [L37] COND FALSE !((var_1_8 + var_1_8) > stepLocal_0) [L40] COND TRUE \read(var_1_5) [L41] var_1_1 = (var_1_6 || var_1_7) [L76] RET step() [L77] CALL, EXPR property() [L67-L68] return ((((var_1_8 + var_1_8) > (10 - var_1_4)) ? (var_1_1 == ((unsigned char) var_1_5)) : (var_1_5 ? (var_1_1 == ((unsigned char) (var_1_6 || var_1_7))) : 1)) && (var_1_8 == ((unsigned long int) var_1_3))) && (var_1_9 == ((float) var_1_10)) ; [L77] RET, EXPR property() [L77] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [isInitial=1, var_1_10=2, var_1_1=0, var_1_3=0, var_1_4=10, var_1_5=1, var_1_6=0, var_1_7=0, var_1_8=0, var_1_9=2] [L19] reach_error() VAL [isInitial=1, var_1_10=2, var_1_1=0, var_1_3=0, var_1_4=10, var_1_5=1, var_1_6=0, var_1_7=0, var_1_8=0, var_1_9=2] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.57ms. Allocated memory is still 167.8MB. Free memory is still 103.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 395.21ms. Allocated memory is still 117.4MB. Free memory was 94.2MB in the beginning and 82.2MB in the end (delta: 11.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 40.76ms. Allocated memory is still 117.4MB. Free memory was 82.2MB in the beginning and 80.7MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 28.43ms. Allocated memory is still 117.4MB. Free memory was 80.7MB in the beginning and 79.6MB in the end (delta: 1.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 526.37ms. Allocated memory is still 117.4MB. Free memory was 79.6MB in the beginning and 62.4MB in the end (delta: 17.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 887.59ms. Allocated memory is still 117.4MB. Free memory was 62.4MB in the beginning and 88.1MB in the end (delta: -25.7MB). Peak memory consumption was 32.5MB. Max. memory is 16.1GB. * Witness Printer took 8.13ms. Allocated memory is still 117.4MB. Free memory was 88.1MB in the beginning and 88.1MB 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 [2024-11-25 04:14:22,770 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, 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_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/config/KojakReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-87.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Reach-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3 --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash e560e39513eb26595349bb5183c466d93aeda0a374e3c004705ee1f38a5b90f4 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-25 04:14:26,088 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-25 04:14:26,244 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2024-11-25 04:14:26,309 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-25 04:14:26,310 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-25 04:14:26,312 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-25 04:14:26,313 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-25 04:14:26,313 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-25 04:14:26,313 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-25 04:14:26,314 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-25 04:14:26,314 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-25 04:14:26,315 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-25 04:14:26,316 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-25 04:14:26,316 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-25 04:14:26,316 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-25 04:14:26,316 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-25 04:14:26,316 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-25 04:14:26,316 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-25 04:14:26,317 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-25 04:14:26,317 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-25 04:14:26,317 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-25 04:14:26,317 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-25 04:14:26,317 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-25 04:14:26,317 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-25 04:14:26,317 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-25 04:14:26,318 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-25 04:14:26,318 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-11-25 04:14:26,319 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-11-25 04:14:26,319 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-25 04:14:26,319 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 04:14:26,319 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-25 04:14:26,319 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-25 04:14:26,319 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-25 04:14:26,320 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-25 04:14:26,320 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-25 04:14:26,320 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-11-25 04:14:26,320 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_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e560e39513eb26595349bb5183c466d93aeda0a374e3c004705ee1f38a5b90f4 [2024-11-25 04:14:26,764 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-25 04:14:26,777 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-25 04:14:26,780 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-25 04:14:26,784 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-25 04:14:26,784 INFO L274 PluginConnector]: CDTParser initialized [2024-11-25 04:14:26,786 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-87.i [2024-11-25 04:14:29,952 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/data/fca61eb2d/3c477f8de1de4bb0a8728961a0f5b4dc/FLAG99a946f00 [2024-11-25 04:14:30,233 INFO L384 CDTParser]: Found 1 translation units. [2024-11-25 04:14:30,234 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-87.i [2024-11-25 04:14:30,244 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/data/fca61eb2d/3c477f8de1de4bb0a8728961a0f5b4dc/FLAG99a946f00 [2024-11-25 04:14:30,268 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/data/fca61eb2d/3c477f8de1de4bb0a8728961a0f5b4dc [2024-11-25 04:14:30,272 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-25 04:14:30,276 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-25 04:14:30,280 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-25 04:14:30,280 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-25 04:14:30,287 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-25 04:14:30,288 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 04:14:30" (1/1) ... [2024-11-25 04:14:30,291 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7984ad8a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:14:30, skipping insertion in model container [2024-11-25 04:14:30,292 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 04:14:30" (1/1) ... [2024-11-25 04:14:30,317 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-25 04:14:30,536 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_4d2bd686-3a0e-4c73-aeec-94bb28634dac/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-87.i[915,928] [2024-11-25 04:14:30,592 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 04:14:30,620 INFO L200 MainTranslator]: Completed pre-run [2024-11-25 04:14:30,637 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_4d2bd686-3a0e-4c73-aeec-94bb28634dac/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-87.i[915,928] [2024-11-25 04:14:30,666 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 04:14:30,698 INFO L204 MainTranslator]: Completed translation [2024-11-25 04:14:30,699 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:14:30 WrapperNode [2024-11-25 04:14:30,700 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-25 04:14:30,702 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-25 04:14:30,702 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-25 04:14:30,702 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-25 04:14:30,711 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:14:30" (1/1) ... [2024-11-25 04:14:30,728 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:14:30" (1/1) ... [2024-11-25 04:14:30,760 INFO L138 Inliner]: procedures = 27, calls = 24, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 78 [2024-11-25 04:14:30,763 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-25 04:14:30,764 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-25 04:14:30,764 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-25 04:14:30,765 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-25 04:14:30,774 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:14:30" (1/1) ... [2024-11-25 04:14:30,775 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:14:30" (1/1) ... [2024-11-25 04:14:30,778 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:14:30" (1/1) ... [2024-11-25 04:14:30,778 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:14:30" (1/1) ... [2024-11-25 04:14:30,788 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:14:30" (1/1) ... [2024-11-25 04:14:30,789 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:14:30" (1/1) ... [2024-11-25 04:14:30,794 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:14:30" (1/1) ... [2024-11-25 04:14:30,796 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:14:30" (1/1) ... [2024-11-25 04:14:30,797 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:14:30" (1/1) ... [2024-11-25 04:14:30,801 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-25 04:14:30,802 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-25 04:14:30,802 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-25 04:14:30,802 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-25 04:14:30,804 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:14:30" (1/1) ... [2024-11-25 04:14:30,811 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 04:14:30,836 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/z3 [2024-11-25 04:14:30,850 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-25 04:14:30,853 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-25 04:14:30,881 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-25 04:14:30,881 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-11-25 04:14:30,881 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-25 04:14:30,882 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-25 04:14:30,882 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-25 04:14:30,882 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-25 04:14:31,000 INFO L234 CfgBuilder]: Building ICFG [2024-11-25 04:14:31,003 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-25 04:14:31,258 INFO L? ?]: Removed 10 outVars from TransFormulas that were not future-live. [2024-11-25 04:14:31,261 INFO L283 CfgBuilder]: Performing block encoding [2024-11-25 04:14:31,376 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-25 04:14:31,377 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-25 04:14:31,378 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 04:14:31 BoogieIcfgContainer [2024-11-25 04:14:31,378 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-25 04:14:31,379 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-25 04:14:31,379 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-25 04:14:31,396 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-25 04:14:31,397 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 04:14:31" (1/1) ... [2024-11-25 04:14:31,409 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-25 04:14:31,480 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:14:31,492 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 26 states and 37 transitions. [2024-11-25 04:14:31,493 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 37 transitions. [2024-11-25 04:14:31,500 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-25 04:14:31,501 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:14:31,502 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:14:31,502 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:14:31,508 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:14:31,510 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-11-25 04:14:32,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:14:32,036 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:14:32,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:14:32,147 INFO L256 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-25 04:14:32,166 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:14:39,952 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2024-11-25 04:14:39,959 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (2)] Forceful destruction successful, exit code 0 [2024-11-25 04:14:40,272 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:14:40,274 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 27 states and 39 transitions. [2024-11-25 04:14:40,275 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 39 transitions. [2024-11-25 04:14:40,276 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-25 04:14:40,277 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:14:40,278 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:14:40,278 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:14:40,280 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:14:40,284 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2024-11-25 04:14:40,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:14:40,782 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:14:40,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:14:40,836 INFO L256 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-25 04:14:40,843 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:14:44,851 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2024-11-25 04:14:44,856 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (3)] Forceful destruction successful, exit code 0 [2024-11-25 04:14:44,872 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:14:44,872 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 27 states and 39 transitions. [2024-11-25 04:14:44,873 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 39 transitions. [2024-11-25 04:14:44,874 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-25 04:14:44,874 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:14:44,874 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:14:44,874 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:14:44,876 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:14:44,880 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2024-11-25 04:14:45,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:14:45,270 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:14:45,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:14:45,322 INFO L256 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-25 04:14:45,325 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:14:47,581 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2024-11-25 04:14:47,584 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (4)] Ended with exit code 0 [2024-11-25 04:14:47,590 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:14:47,590 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 27 states and 39 transitions. [2024-11-25 04:14:47,590 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 39 transitions. [2024-11-25 04:14:47,591 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-25 04:14:47,591 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:14:47,592 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:14:47,592 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:14:47,594 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:14:47,597 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (5)] Waiting until timeout for monitored process [2024-11-25 04:14:47,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:14:47,865 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:14:47,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:14:47,903 INFO L256 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-25 04:14:47,906 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:14:50,595 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2024-11-25 04:14:50,598 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (5)] Forceful destruction successful, exit code 0 [2024-11-25 04:14:50,605 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:14:50,606 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 27 states and 39 transitions. [2024-11-25 04:14:50,606 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 39 transitions. [2024-11-25 04:14:50,608 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-25 04:14:50,608 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:14:50,608 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:14:50,608 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:14:50,611 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:14:50,613 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (6)] Waiting until timeout for monitored process [2024-11-25 04:14:50,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:14:50,958 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:14:50,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:14:50,993 INFO L256 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-25 04:14:50,996 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:14:53,155 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2024-11-25 04:14:53,158 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (6)] Forceful destruction successful, exit code 0 [2024-11-25 04:14:53,165 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:14:53,167 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 27 states and 39 transitions. [2024-11-25 04:14:53,168 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 39 transitions. [2024-11-25 04:14:53,169 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-25 04:14:53,169 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:14:53,169 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:14:53,170 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:14:53,172 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:14:53,174 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (7)] Waiting until timeout for monitored process [2024-11-25 04:14:53,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:14:53,505 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:14:53,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:14:53,544 INFO L256 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-25 04:14:53,546 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:14:55,641 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2024-11-25 04:14:55,646 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (7)] Forceful destruction successful, exit code 0 [2024-11-25 04:14:55,654 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:14:55,655 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 27 states and 39 transitions. [2024-11-25 04:14:55,655 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 39 transitions. [2024-11-25 04:14:55,656 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-25 04:14:55,656 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:14:55,656 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:14:55,656 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:14:55,659 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:14:55,661 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (8)] Waiting until timeout for monitored process [2024-11-25 04:14:55,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:14:55,923 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:14:55,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:14:55,948 INFO L256 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-25 04:14:55,950 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:14:57,762 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2024-11-25 04:14:57,768 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (8)] Forceful destruction successful, exit code 0 [2024-11-25 04:14:57,775 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:14:57,777 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 27 states and 39 transitions. [2024-11-25 04:14:57,778 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 39 transitions. [2024-11-25 04:14:57,779 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-25 04:14:57,781 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:14:57,781 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:14:57,782 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:14:57,785 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:14:57,790 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (9)] Waiting until timeout for monitored process [2024-11-25 04:14:58,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:14:58,110 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:14:58,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:14:58,141 INFO L256 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-25 04:14:58,144 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:15:00,253 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2024-11-25 04:15:00,256 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (9)] Forceful destruction successful, exit code 0 [2024-11-25 04:15:00,265 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:15:00,265 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 27 states and 39 transitions. [2024-11-25 04:15:00,266 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 39 transitions. [2024-11-25 04:15:00,270 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-25 04:15:00,270 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:15:00,270 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:15:00,271 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:15:00,273 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:15:00,277 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (10)] Waiting until timeout for monitored process [2024-11-25 04:15:00,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:15:00,593 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:15:00,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:15:00,628 INFO L256 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-25 04:15:00,630 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:15:02,795 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2024-11-25 04:15:02,798 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (10)] Forceful destruction successful, exit code 0 [2024-11-25 04:15:02,804 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:15:02,805 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 27 states and 39 transitions. [2024-11-25 04:15:02,805 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 39 transitions. [2024-11-25 04:15:02,806 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-25 04:15:02,806 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:15:02,806 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:15:02,807 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:15:02,809 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:15:02,818 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (11)] Waiting until timeout for monitored process [2024-11-25 04:15:03,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:15:03,136 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:15:03,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:15:03,168 INFO L256 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-25 04:15:03,170 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:15:05,287 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2024-11-25 04:15:05,292 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (11)] Ended with exit code 0 [2024-11-25 04:15:05,298 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:15:05,299 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 27 states and 39 transitions. [2024-11-25 04:15:05,299 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 39 transitions. [2024-11-25 04:15:05,300 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-25 04:15:05,300 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:15:05,300 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:15:05,301 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:15:05,303 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:15:05,306 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (12)] Waiting until timeout for monitored process [2024-11-25 04:15:05,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:15:05,648 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:15:05,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:15:05,678 INFO L256 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-25 04:15:05,679 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:15:07,827 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2024-11-25 04:15:07,831 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (12)] Ended with exit code 0 [2024-11-25 04:15:07,837 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:15:07,840 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 27 states and 39 transitions. [2024-11-25 04:15:07,840 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 39 transitions. [2024-11-25 04:15:07,843 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-25 04:15:07,843 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:15:07,843 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:15:07,844 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:15:07,849 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:15:07,851 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (13)] Waiting until timeout for monitored process [2024-11-25 04:15:08,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:15:08,199 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:15:08,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:15:08,230 INFO L256 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-25 04:15:08,232 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:15:10,704 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2024-11-25 04:15:10,707 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (13)] Ended with exit code 0 [2024-11-25 04:15:10,710 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:15:10,711 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 27 states and 39 transitions. [2024-11-25 04:15:10,711 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 39 transitions. [2024-11-25 04:15:10,712 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-25 04:15:10,712 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:15:10,712 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:15:10,713 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:15:10,715 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:15:10,717 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (14)] Waiting until timeout for monitored process [2024-11-25 04:15:11,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:15:11,093 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:15:11,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:15:11,123 INFO L256 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-25 04:15:11,125 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:15:13,305 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2024-11-25 04:15:13,308 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (14)] Ended with exit code 0 [2024-11-25 04:15:13,315 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:15:13,315 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 27 states and 39 transitions. [2024-11-25 04:15:13,315 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 39 transitions. [2024-11-25 04:15:13,318 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-25 04:15:13,322 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:15:13,322 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:15:13,323 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:15:13,326 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:15:13,330 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (15)] Waiting until timeout for monitored process [2024-11-25 04:15:13,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:15:13,720 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:15:13,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:15:13,756 INFO L256 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-25 04:15:13,758 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:15:15,881 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2024-11-25 04:15:15,883 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (15)] Forceful destruction successful, exit code 0 [2024-11-25 04:15:15,886 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:15:15,887 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 27 states and 39 transitions. [2024-11-25 04:15:15,887 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 39 transitions. [2024-11-25 04:15:15,888 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-25 04:15:15,888 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:15:15,888 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:15:15,888 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:15:15,891 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:15:15,893 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (16)] Waiting until timeout for monitored process [2024-11-25 04:15:16,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:15:16,141 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:15:16,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:15:16,164 INFO L256 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-25 04:15:16,165 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:15:18,083 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2024-11-25 04:15:18,086 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (16)] Ended with exit code 0 [2024-11-25 04:15:18,092 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:15:18,093 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 27 states and 39 transitions. [2024-11-25 04:15:18,093 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 39 transitions. [2024-11-25 04:15:18,094 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-25 04:15:18,094 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:15:18,094 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:15:18,094 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:15:18,095 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:15:18,097 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (17)] Waiting until timeout for monitored process [2024-11-25 04:15:18,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:15:18,433 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:15:18,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:15:18,458 INFO L256 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-25 04:15:18,460 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:15:20,312 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2024-11-25 04:15:20,316 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (17)] Ended with exit code 0 [2024-11-25 04:15:20,320 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:15:20,322 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 27 states and 39 transitions. [2024-11-25 04:15:20,322 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 39 transitions. [2024-11-25 04:15:20,323 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-25 04:15:20,323 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:15:20,323 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:15:20,323 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:15:20,327 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:15:20,332 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (18)] Waiting until timeout for monitored process [2024-11-25 04:15:20,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:15:20,678 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:15:20,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:15:20,704 INFO L256 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-25 04:15:20,707 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:15:22,674 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2024-11-25 04:15:22,679 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (18)] Ended with exit code 0 [2024-11-25 04:15:22,683 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:15:22,684 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 27 states and 39 transitions. [2024-11-25 04:15:22,684 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 39 transitions. [2024-11-25 04:15:22,685 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-25 04:15:22,685 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:15:22,685 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:15:22,685 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:15:22,688 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:15:22,695 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (19)] Waiting until timeout for monitored process [2024-11-25 04:15:23,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:15:23,018 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:15:23,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:15:23,046 INFO L256 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-25 04:15:23,048 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:15:25,258 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2024-11-25 04:15:25,260 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (19)] Forceful destruction successful, exit code 0 [2024-11-25 04:15:25,264 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:15:25,265 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 27 states and 39 transitions. [2024-11-25 04:15:25,265 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 39 transitions. [2024-11-25 04:15:25,265 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-25 04:15:25,265 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:15:25,266 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:15:25,266 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:15:25,270 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:15:25,273 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (20)] Waiting until timeout for monitored process [2024-11-25 04:15:25,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:15:25,519 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:15:25,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:15:25,541 INFO L256 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-25 04:15:25,543 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:15:27,408 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2024-11-25 04:15:27,411 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (20)] Forceful destruction successful, exit code 0 [2024-11-25 04:15:27,415 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:15:27,415 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 27 states and 39 transitions. [2024-11-25 04:15:27,415 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 39 transitions. [2024-11-25 04:15:27,416 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-25 04:15:27,416 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:15:27,416 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:15:27,416 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:15:27,419 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:15:27,421 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (21)] Waiting until timeout for monitored process [2024-11-25 04:15:27,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:15:27,675 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:15:27,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:15:27,697 INFO L256 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-25 04:15:27,699 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:15:29,490 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2024-11-25 04:15:29,493 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (21)] Ended with exit code 0 [2024-11-25 04:15:29,497 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:15:29,497 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 27 states and 39 transitions. [2024-11-25 04:15:29,498 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 39 transitions. [2024-11-25 04:15:29,498 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-25 04:15:29,498 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:15:29,498 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:15:29,498 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:15:29,503 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:15:29,506 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (22)] Waiting until timeout for monitored process [2024-11-25 04:15:29,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:15:29,805 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:15:29,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:15:29,832 INFO L256 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-25 04:15:29,834 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:15:32,155 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2024-11-25 04:15:32,158 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (22)] Ended with exit code 0 [2024-11-25 04:15:32,162 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:15:32,162 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 27 states and 39 transitions. [2024-11-25 04:15:32,163 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 39 transitions. [2024-11-25 04:15:32,163 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-25 04:15:32,164 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:15:32,164 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:15:32,164 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:15:32,166 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:15:32,170 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (23)] Waiting until timeout for monitored process [2024-11-25 04:15:32,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:15:32,488 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:15:32,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:15:32,515 INFO L256 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-25 04:15:32,517 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:15:34,622 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2024-11-25 04:15:34,625 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (23)] Ended with exit code 0 [2024-11-25 04:15:34,629 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:15:34,630 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 27 states and 39 transitions. [2024-11-25 04:15:34,630 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 39 transitions. [2024-11-25 04:15:34,631 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-25 04:15:34,631 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:15:34,631 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:15:34,631 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:15:34,635 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:15:34,637 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (24)] Waiting until timeout for monitored process [2024-11-25 04:15:34,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:15:34,938 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:15:34,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:15:34,965 INFO L256 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-25 04:15:34,966 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:15:36,656 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2024-11-25 04:15:36,659 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (24)] Ended with exit code 0 [2024-11-25 04:15:36,663 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:15:36,663 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 27 states and 39 transitions. [2024-11-25 04:15:36,664 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 39 transitions. [2024-11-25 04:15:36,664 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-25 04:15:36,664 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:15:36,664 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:15:36,664 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:15:36,670 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:15:36,671 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (25)] Waiting until timeout for monitored process [2024-11-25 04:15:36,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:15:36,925 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:15:36,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:15:36,950 INFO L256 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-25 04:15:36,951 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:15:38,705 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2024-11-25 04:15:38,708 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (25)] Ended with exit code 0 [2024-11-25 04:15:38,711 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:15:38,712 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 27 states and 39 transitions. [2024-11-25 04:15:38,712 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 39 transitions. [2024-11-25 04:15:38,713 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-25 04:15:38,713 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:15:38,713 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:15:38,713 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:15:38,715 INFO L229 MonitoredProcess]: Starting monitored process 26 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:15:38,717 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (26)] Waiting until timeout for monitored process [2024-11-25 04:15:39,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:15:39,040 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:15:39,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:15:39,063 INFO L256 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-25 04:15:39,064 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:15:40,838 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2024-11-25 04:15:40,843 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (26)] Ended with exit code 0 [2024-11-25 04:15:40,847 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:15:40,851 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 27 states and 39 transitions. [2024-11-25 04:15:40,851 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 39 transitions. [2024-11-25 04:15:40,852 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-25 04:15:40,852 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:15:40,852 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:15:40,853 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:15:40,856 INFO L229 MonitoredProcess]: Starting monitored process 27 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:15:40,860 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (27)] Waiting until timeout for monitored process [2024-11-25 04:15:41,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:15:41,276 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:15:41,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:15:41,304 INFO L256 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-25 04:15:41,305 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:15:43,394 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2024-11-25 04:15:43,397 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (27)] Ended with exit code 0 [2024-11-25 04:15:43,401 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:15:43,402 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 27 states and 39 transitions. [2024-11-25 04:15:43,402 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 39 transitions. [2024-11-25 04:15:43,403 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-25 04:15:43,403 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:15:43,403 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:15:43,403 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:15:43,405 INFO L229 MonitoredProcess]: Starting monitored process 28 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:15:43,409 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (28)] Waiting until timeout for monitored process [2024-11-25 04:15:43,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:15:43,740 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:15:43,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:15:43,768 INFO L256 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-25 04:15:43,769 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:15:45,876 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2024-11-25 04:15:45,880 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (28)] Ended with exit code 0 [2024-11-25 04:15:45,884 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:15:45,885 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 27 states and 39 transitions. [2024-11-25 04:15:45,885 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 39 transitions. [2024-11-25 04:15:45,885 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-25 04:15:45,885 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:15:45,886 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:15:45,886 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:15:45,891 INFO L229 MonitoredProcess]: Starting monitored process 29 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:15:45,893 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (29)] Waiting until timeout for monitored process [2024-11-25 04:15:46,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:15:46,215 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:15:46,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:15:46,244 INFO L256 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-25 04:15:46,245 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:15:48,456 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2024-11-25 04:15:48,459 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (29)] Ended with exit code 0 [2024-11-25 04:15:48,464 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:15:48,464 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 27 states and 39 transitions. [2024-11-25 04:15:48,464 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 39 transitions. [2024-11-25 04:15:48,465 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-25 04:15:48,465 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:15:48,465 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:15:48,465 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:15:48,469 INFO L229 MonitoredProcess]: Starting monitored process 30 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:15:48,479 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (30)] Waiting until timeout for monitored process [2024-11-25 04:15:48,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:15:48,796 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:15:48,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:15:48,823 INFO L256 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-25 04:15:48,825 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:15:50,900 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2024-11-25 04:15:50,903 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (30)] Ended with exit code 0 [2024-11-25 04:15:50,908 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:15:50,909 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 27 states and 39 transitions. [2024-11-25 04:15:50,909 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 39 transitions. [2024-11-25 04:15:50,910 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-25 04:15:50,910 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:15:50,910 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:15:50,910 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:15:50,913 INFO L229 MonitoredProcess]: Starting monitored process 31 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:15:50,916 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (31)] Waiting until timeout for monitored process [2024-11-25 04:15:51,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:15:51,251 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:15:51,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:15:51,286 INFO L256 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-25 04:15:51,288 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:15:53,028 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2024-11-25 04:15:53,031 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (31)] Ended with exit code 0 [2024-11-25 04:15:53,034 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:15:53,035 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 27 states and 39 transitions. [2024-11-25 04:15:53,035 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 39 transitions. [2024-11-25 04:15:53,035 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-25 04:15:53,035 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:15:53,035 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:15:53,036 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:15:53,037 INFO L229 MonitoredProcess]: Starting monitored process 32 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:15:53,040 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (32)] Waiting until timeout for monitored process [2024-11-25 04:15:53,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:15:53,297 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:15:53,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:15:53,326 INFO L256 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-25 04:15:53,328 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:15:55,160 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2024-11-25 04:15:55,163 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (32)] Ended with exit code 0 [2024-11-25 04:15:55,165 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:15:55,166 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 27 states and 39 transitions. [2024-11-25 04:15:55,166 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 39 transitions. [2024-11-25 04:15:55,166 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-25 04:15:55,166 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:15:55,166 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:15:55,166 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:15:55,168 INFO L229 MonitoredProcess]: Starting monitored process 33 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:15:55,169 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (33)] Waiting until timeout for monitored process [2024-11-25 04:15:55,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:15:55,409 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:15:55,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:15:55,431 INFO L256 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-25 04:15:55,433 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:15:57,304 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2024-11-25 04:15:57,307 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (33)] Ended with exit code 0 [2024-11-25 04:15:57,311 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:15:57,312 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 27 states and 39 transitions. [2024-11-25 04:15:57,312 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 39 transitions. [2024-11-25 04:15:57,313 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-25 04:15:57,313 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:15:57,313 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:15:57,313 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:15:57,316 INFO L229 MonitoredProcess]: Starting monitored process 34 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:15:57,319 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (34)] Waiting until timeout for monitored process [2024-11-25 04:15:57,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:15:57,632 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:15:57,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:15:57,660 INFO L256 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-25 04:15:57,662 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:15:59,670 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2024-11-25 04:15:59,674 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (34)] Ended with exit code 0 [2024-11-25 04:15:59,677 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:15:59,678 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 27 states and 39 transitions. [2024-11-25 04:15:59,678 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 39 transitions. [2024-11-25 04:15:59,678 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-25 04:15:59,678 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:15:59,678 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:15:59,679 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:15:59,681 INFO L229 MonitoredProcess]: Starting monitored process 35 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:15:59,682 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (35)] Waiting until timeout for monitored process [2024-11-25 04:15:59,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:15:59,992 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:16:00,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:16:00,020 INFO L256 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-25 04:16:00,022 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:16:02,014 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2024-11-25 04:16:02,017 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (35)] Ended with exit code 0 [2024-11-25 04:16:02,021 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:16:02,021 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 27 states and 39 transitions. [2024-11-25 04:16:02,021 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 39 transitions. [2024-11-25 04:16:02,022 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-25 04:16:02,022 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:16:02,022 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:16:02,022 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:16:02,025 INFO L229 MonitoredProcess]: Starting monitored process 36 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:16:02,028 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (36)] Waiting until timeout for monitored process [2024-11-25 04:16:02,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:16:02,349 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:16:02,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:16:02,377 INFO L256 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-25 04:16:02,379 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:16:04,542 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2024-11-25 04:16:04,545 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (36)] Ended with exit code 0 [2024-11-25 04:16:04,549 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:16:04,549 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 27 states and 39 transitions. [2024-11-25 04:16:04,549 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 39 transitions. [2024-11-25 04:16:04,550 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-25 04:16:04,550 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:16:04,550 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:16:04,550 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:16:04,552 INFO L229 MonitoredProcess]: Starting monitored process 37 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:16:04,554 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (37)] Waiting until timeout for monitored process [2024-11-25 04:16:04,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:16:04,886 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:16:04,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:16:04,913 INFO L256 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-25 04:16:04,915 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:16:07,117 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2024-11-25 04:16:07,121 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (37)] Forceful destruction successful, exit code 0 [2024-11-25 04:16:07,124 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:16:07,124 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 27 states and 39 transitions. [2024-11-25 04:16:07,124 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 39 transitions. [2024-11-25 04:16:07,125 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-25 04:16:07,125 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:16:07,125 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:16:07,125 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:16:07,127 INFO L229 MonitoredProcess]: Starting monitored process 38 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:16:07,128 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (38)] Waiting until timeout for monitored process [2024-11-25 04:16:07,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:16:07,448 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:16:07,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:16:07,477 INFO L256 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-25 04:16:07,478 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:16:09,593 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2024-11-25 04:16:09,597 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (38)] Ended with exit code 0 [2024-11-25 04:16:09,599 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:16:09,600 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 27 states and 39 transitions. [2024-11-25 04:16:09,600 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 39 transitions. [2024-11-25 04:16:09,600 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-25 04:16:09,600 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:16:09,601 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:16:09,601 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:16:09,603 INFO L229 MonitoredProcess]: Starting monitored process 39 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:16:09,604 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (39)] Waiting until timeout for monitored process [2024-11-25 04:16:09,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:16:09,899 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:16:09,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:16:09,922 INFO L256 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-25 04:16:09,924 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:16:11,682 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2024-11-25 04:16:11,685 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (39)] Ended with exit code 0 [2024-11-25 04:16:11,687 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:16:11,687 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 27 states and 39 transitions. [2024-11-25 04:16:11,687 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 39 transitions. [2024-11-25 04:16:11,687 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-25 04:16:11,687 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:16:11,688 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:16:11,688 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:16:11,689 INFO L229 MonitoredProcess]: Starting monitored process 40 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:16:11,691 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (40)] Waiting until timeout for monitored process [2024-11-25 04:16:11,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:16:11,949 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:16:11,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:16:11,972 INFO L256 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-25 04:16:11,973 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:16:13,756 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2024-11-25 04:16:13,760 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (40)] Ended with exit code 0 [2024-11-25 04:16:13,764 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:16:13,764 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 27 states and 39 transitions. [2024-11-25 04:16:13,764 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 39 transitions. [2024-11-25 04:16:13,765 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-25 04:16:13,765 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:16:13,766 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:16:13,767 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:16:13,769 INFO L229 MonitoredProcess]: Starting monitored process 41 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:16:13,771 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (41)] Waiting until timeout for monitored process [2024-11-25 04:16:14,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:16:14,137 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:16:14,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:16:14,166 INFO L256 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-25 04:16:14,167 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:16:16,198 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2024-11-25 04:16:16,201 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (41)] Ended with exit code 0 [2024-11-25 04:16:16,206 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:16:16,206 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 27 states and 39 transitions. [2024-11-25 04:16:16,206 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 39 transitions. [2024-11-25 04:16:16,207 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-25 04:16:16,207 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:16:16,207 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:16:16,207 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:16:16,210 INFO L229 MonitoredProcess]: Starting monitored process 42 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:16:16,212 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (42)] Waiting until timeout for monitored process [2024-11-25 04:16:16,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:16:16,542 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:16:16,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:16:16,575 INFO L256 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-25 04:16:16,577 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:16:18,824 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2024-11-25 04:16:18,827 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (42)] Ended with exit code 0 [2024-11-25 04:16:18,832 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:16:18,832 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 27 states and 39 transitions. [2024-11-25 04:16:18,832 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 39 transitions. [2024-11-25 04:16:18,833 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-25 04:16:18,833 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:16:18,833 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:16:18,833 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:16:18,835 INFO L229 MonitoredProcess]: Starting monitored process 43 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:16:18,837 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (43)] Waiting until timeout for monitored process [2024-11-25 04:16:19,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:16:19,167 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:16:19,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:16:19,195 INFO L256 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-25 04:16:19,196 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:16:21,043 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2024-11-25 04:16:21,046 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (43)] Ended with exit code 0 [2024-11-25 04:16:21,049 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:16:21,049 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 27 states and 39 transitions. [2024-11-25 04:16:21,049 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 39 transitions. [2024-11-25 04:16:21,050 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-25 04:16:21,050 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:16:21,050 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:16:21,050 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:16:21,053 INFO L229 MonitoredProcess]: Starting monitored process 44 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:16:21,054 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (44)] Waiting until timeout for monitored process [2024-11-25 04:16:21,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:16:21,305 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:16:21,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:16:21,327 INFO L256 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-25 04:16:21,329 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:16:23,256 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2024-11-25 04:16:23,260 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (44)] Forceful destruction successful, exit code 0 [2024-11-25 04:16:23,264 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:16:23,264 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 27 states and 39 transitions. [2024-11-25 04:16:23,264 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 39 transitions. [2024-11-25 04:16:23,265 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-25 04:16:23,265 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:16:23,265 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:16:23,265 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:16:23,267 INFO L229 MonitoredProcess]: Starting monitored process 45 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:16:23,269 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (45)] Waiting until timeout for monitored process [2024-11-25 04:16:23,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:16:23,616 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:16:23,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:16:23,643 INFO L256 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-25 04:16:23,644 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:16:25,727 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2024-11-25 04:16:25,730 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (45)] Ended with exit code 0 [2024-11-25 04:16:25,733 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:16:25,733 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 27 states and 39 transitions. [2024-11-25 04:16:25,733 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 39 transitions. [2024-11-25 04:16:25,734 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-25 04:16:25,734 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:16:25,734 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:16:25,734 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:16:25,737 INFO L229 MonitoredProcess]: Starting monitored process 46 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:16:25,738 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (46)] Waiting until timeout for monitored process [2024-11-25 04:16:26,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:16:26,068 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:16:26,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:16:26,096 INFO L256 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-25 04:16:26,097 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:16:28,330 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2024-11-25 04:16:28,333 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (46)] Ended with exit code 0 [2024-11-25 04:16:28,336 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:16:28,336 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 27 states and 39 transitions. [2024-11-25 04:16:28,337 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 39 transitions. [2024-11-25 04:16:28,337 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-25 04:16:28,337 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:16:28,337 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:16:28,337 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:16:28,339 INFO L229 MonitoredProcess]: Starting monitored process 47 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:16:28,341 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (47)] Waiting until timeout for monitored process [2024-11-25 04:16:28,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:16:28,693 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:16:28,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:16:28,728 INFO L256 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-25 04:16:28,730 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:16:30,905 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2024-11-25 04:16:30,909 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (47)] Ended with exit code 0 [2024-11-25 04:16:30,911 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:16:30,911 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 27 states and 39 transitions. [2024-11-25 04:16:30,912 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 39 transitions. [2024-11-25 04:16:30,912 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-25 04:16:30,912 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:16:30,912 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:16:30,912 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:16:30,916 INFO L229 MonitoredProcess]: Starting monitored process 48 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:16:30,917 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (48)] Waiting until timeout for monitored process [2024-11-25 04:16:31,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:16:31,232 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:16:31,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:16:31,260 INFO L256 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-25 04:16:31,262 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:16:33,286 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2024-11-25 04:16:33,289 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (48)] Ended with exit code 0 [2024-11-25 04:16:33,292 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:16:33,292 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 27 states and 39 transitions. [2024-11-25 04:16:33,292 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 39 transitions. [2024-11-25 04:16:33,293 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-25 04:16:33,293 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:16:33,293 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:16:33,293 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:16:33,295 INFO L229 MonitoredProcess]: Starting monitored process 49 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:16:33,296 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (49)] Waiting until timeout for monitored process [2024-11-25 04:16:33,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:16:33,541 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:16:33,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:16:33,563 INFO L256 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-25 04:16:33,565 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:16:35,399 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2024-11-25 04:16:35,401 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (49)] Ended with exit code 0 [2024-11-25 04:16:35,403 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:16:35,404 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 27 states and 39 transitions. [2024-11-25 04:16:35,404 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 39 transitions. [2024-11-25 04:16:35,404 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-25 04:16:35,404 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:16:35,404 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:16:35,404 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:16:35,406 INFO L229 MonitoredProcess]: Starting monitored process 50 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:16:35,407 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (50)] Waiting until timeout for monitored process [2024-11-25 04:16:35,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:16:35,733 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:16:35,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:16:35,755 INFO L256 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-25 04:16:35,757 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:16:37,675 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2024-11-25 04:16:37,678 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (50)] Ended with exit code 0 [2024-11-25 04:16:37,682 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:16:37,682 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 27 states and 39 transitions. [2024-11-25 04:16:37,682 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 39 transitions. [2024-11-25 04:16:37,682 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-25 04:16:37,683 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:16:37,683 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:16:37,683 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:16:37,687 INFO L229 MonitoredProcess]: Starting monitored process 51 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:16:37,691 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (51)] Waiting until timeout for monitored process [2024-11-25 04:16:37,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:16:37,955 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:16:37,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:16:37,979 INFO L256 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-25 04:16:37,980 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:16:39,871 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2024-11-25 04:16:39,874 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (51)] Ended with exit code 0 [2024-11-25 04:16:39,877 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:16:39,878 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 27 states and 39 transitions. [2024-11-25 04:16:39,878 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 39 transitions. [2024-11-25 04:16:39,878 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-25 04:16:39,878 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:16:39,878 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:16:39,878 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:16:39,880 INFO L229 MonitoredProcess]: Starting monitored process 52 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:16:39,891 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (52)] Waiting until timeout for monitored process [2024-11-25 04:16:40,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:16:40,142 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:16:40,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:16:40,164 INFO L256 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-25 04:16:40,165 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:16:41,885 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2024-11-25 04:16:41,888 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (52)] Ended with exit code 0 [2024-11-25 04:16:41,891 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:16:41,892 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 27 states and 39 transitions. [2024-11-25 04:16:41,892 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 39 transitions. [2024-11-25 04:16:41,892 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-25 04:16:41,892 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:16:41,892 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:16:41,892 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:16:41,894 INFO L229 MonitoredProcess]: Starting monitored process 53 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:16:41,895 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (53)] Waiting until timeout for monitored process [2024-11-25 04:16:42,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:16:42,151 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:16:42,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:16:42,175 INFO L256 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-25 04:16:42,176 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:16:43,924 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2024-11-25 04:16:43,927 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (53)] Ended with exit code 0 [2024-11-25 04:16:43,929 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:16:43,930 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 27 states and 39 transitions. [2024-11-25 04:16:43,930 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 39 transitions. [2024-11-25 04:16:43,930 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-25 04:16:43,930 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:16:43,930 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:16:43,930 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:16:43,933 INFO L229 MonitoredProcess]: Starting monitored process 54 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:16:43,937 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (54)] Waiting until timeout for monitored process [2024-11-25 04:16:44,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:16:44,208 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:16:44,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:16:44,231 INFO L256 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-25 04:16:44,232 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:16:46,076 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2024-11-25 04:16:46,080 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (54)] Ended with exit code 0 [2024-11-25 04:16:46,083 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:16:46,083 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 27 states and 39 transitions. [2024-11-25 04:16:46,083 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 39 transitions. [2024-11-25 04:16:46,084 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-25 04:16:46,084 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:16:46,084 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:16:46,084 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:16:46,086 INFO L229 MonitoredProcess]: Starting monitored process 55 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:16:46,088 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (55)] Waiting until timeout for monitored process [2024-11-25 04:16:46,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:16:46,397 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:16:46,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:16:46,429 INFO L256 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-25 04:16:46,431 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:16:48,637 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2024-11-25 04:16:48,640 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (55)] Forceful destruction successful, exit code 0 [2024-11-25 04:16:48,643 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:16:48,643 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 27 states and 39 transitions. [2024-11-25 04:16:48,644 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 39 transitions. [2024-11-25 04:16:48,644 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-25 04:16:48,644 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:16:48,644 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:16:48,644 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:16:48,646 INFO L229 MonitoredProcess]: Starting monitored process 56 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:16:48,648 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (56)] Waiting until timeout for monitored process [2024-11-25 04:16:48,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:16:48,990 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:16:49,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:16:49,018 INFO L256 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-25 04:16:49,019 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:16:51,366 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2024-11-25 04:16:51,369 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (56)] Ended with exit code 0 [2024-11-25 04:16:51,372 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:16:51,372 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 27 states and 39 transitions. [2024-11-25 04:16:51,372 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 39 transitions. [2024-11-25 04:16:51,373 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-25 04:16:51,373 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:16:51,373 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:16:51,373 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:16:51,375 INFO L229 MonitoredProcess]: Starting monitored process 57 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:16:51,377 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (57)] Waiting until timeout for monitored process [2024-11-25 04:16:51,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:16:51,750 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:16:51,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:16:51,777 INFO L256 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-25 04:16:51,778 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:16:53,886 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2024-11-25 04:16:53,890 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (57)] Forceful destruction successful, exit code 0 [2024-11-25 04:16:53,894 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:16:53,894 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 27 states and 39 transitions. [2024-11-25 04:16:53,895 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 39 transitions. [2024-11-25 04:16:53,895 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-25 04:16:53,895 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:16:53,895 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:16:53,895 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:16:53,900 INFO L229 MonitoredProcess]: Starting monitored process 58 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:16:53,902 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (58)] Waiting until timeout for monitored process [2024-11-25 04:16:54,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:16:54,230 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:16:54,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:16:54,251 INFO L256 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-25 04:16:54,253 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:16:56,105 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2024-11-25 04:16:56,108 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (58)] Ended with exit code 0 [2024-11-25 04:16:56,110 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:16:56,111 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 27 states and 39 transitions. [2024-11-25 04:16:56,111 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 39 transitions. [2024-11-25 04:16:56,111 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-25 04:16:56,111 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:16:56,111 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:16:56,111 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:16:56,113 INFO L229 MonitoredProcess]: Starting monitored process 59 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:16:56,114 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (59)] Waiting until timeout for monitored process [2024-11-25 04:16:56,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:16:56,378 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:16:56,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:16:56,399 INFO L256 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-25 04:16:56,400 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:16:58,231 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2024-11-25 04:16:58,234 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (59)] Ended with exit code 0 [2024-11-25 04:16:58,236 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:16:58,236 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 27 states and 39 transitions. [2024-11-25 04:16:58,236 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 39 transitions. [2024-11-25 04:16:58,236 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-25 04:16:58,236 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:16:58,236 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:16:58,237 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:16:58,238 INFO L229 MonitoredProcess]: Starting monitored process 60 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:16:58,240 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (60)] Waiting until timeout for monitored process [2024-11-25 04:16:58,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:16:58,491 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:16:58,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:16:58,512 INFO L256 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-25 04:16:58,513 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:17:00,333 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2024-11-25 04:17:00,336 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (60)] Ended with exit code 0 [2024-11-25 04:17:00,339 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:17:00,339 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 27 states and 39 transitions. [2024-11-25 04:17:00,339 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 39 transitions. [2024-11-25 04:17:00,340 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-25 04:17:00,340 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:17:00,340 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:17:00,340 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:17:00,342 INFO L229 MonitoredProcess]: Starting monitored process 61 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:17:00,344 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (61)] Waiting until timeout for monitored process [2024-11-25 04:17:00,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:17:00,698 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:17:00,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:17:00,730 INFO L256 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-25 04:17:00,731 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:17:02,957 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2024-11-25 04:17:02,960 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (61)] Ended with exit code 0 [2024-11-25 04:17:02,965 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:17:02,965 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 27 states and 39 transitions. [2024-11-25 04:17:02,965 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 39 transitions. [2024-11-25 04:17:02,966 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-25 04:17:02,966 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:17:02,966 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:17:02,966 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:17:02,969 INFO L229 MonitoredProcess]: Starting monitored process 62 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:17:02,970 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (62)] Waiting until timeout for monitored process [2024-11-25 04:17:03,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:17:03,297 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:17:03,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:17:03,335 INFO L256 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-25 04:17:03,337 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:17:05,570 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2024-11-25 04:17:05,573 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (62)] Ended with exit code 0 [2024-11-25 04:17:05,577 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:17:05,577 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 27 states and 39 transitions. [2024-11-25 04:17:05,577 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 39 transitions. [2024-11-25 04:17:05,577 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-25 04:17:05,578 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:17:05,578 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:17:05,578 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:17:05,580 INFO L229 MonitoredProcess]: Starting monitored process 63 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:17:05,582 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (63)] Waiting until timeout for monitored process [2024-11-25 04:17:05,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:17:05,958 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:17:05,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:17:05,985 INFO L256 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-25 04:17:05,986 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:17:08,142 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2024-11-25 04:17:08,146 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (63)] Ended with exit code 0 [2024-11-25 04:17:08,150 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:17:08,150 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 27 states and 39 transitions. [2024-11-25 04:17:08,151 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 39 transitions. [2024-11-25 04:17:08,151 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-25 04:17:08,151 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:17:08,152 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:17:08,152 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:17:08,157 INFO L229 MonitoredProcess]: Starting monitored process 64 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:17:08,160 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (64)] Waiting until timeout for monitored process [2024-11-25 04:17:08,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:17:08,552 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:17:08,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:17:08,589 INFO L256 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-25 04:17:08,591 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:17:10,826 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2024-11-25 04:17:10,830 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (64)] Forceful destruction successful, exit code 0 [2024-11-25 04:17:10,833 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:17:10,833 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 27 states and 39 transitions. [2024-11-25 04:17:10,833 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 39 transitions. [2024-11-25 04:17:10,834 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-25 04:17:10,834 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:17:10,834 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:17:10,834 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:17:10,837 INFO L229 MonitoredProcess]: Starting monitored process 65 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:17:10,840 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (65)] Waiting until timeout for monitored process [2024-11-25 04:17:11,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:17:11,170 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:17:11,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:17:11,200 INFO L256 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-25 04:17:11,201 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:17:13,382 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2024-11-25 04:17:13,385 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (65)] Forceful destruction successful, exit code 0 [2024-11-25 04:17:13,390 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:17:13,390 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 27 states and 39 transitions. [2024-11-25 04:17:13,390 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 39 transitions. [2024-11-25 04:17:13,392 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-25 04:17:13,392 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:17:13,392 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:17:13,392 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:17:13,396 INFO L229 MonitoredProcess]: Starting monitored process 66 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:17:13,400 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (66)] Waiting until timeout for monitored process [2024-11-25 04:17:13,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:17:13,743 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:17:13,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:17:13,765 INFO L256 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-25 04:17:13,766 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:17:15,457 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2024-11-25 04:17:15,460 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (66)] Forceful destruction successful, exit code 0 [2024-11-25 04:17:15,470 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:17:15,470 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 27 states and 39 transitions. [2024-11-25 04:17:15,470 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 39 transitions. [2024-11-25 04:17:15,471 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-25 04:17:15,471 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:17:15,471 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:17:15,471 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:17:15,476 INFO L229 MonitoredProcess]: Starting monitored process 67 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:17:15,488 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (67)] Waiting until timeout for monitored process [2024-11-25 04:17:15,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:17:15,919 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:17:15,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:17:15,957 INFO L256 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-25 04:17:15,958 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:17:18,467 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2024-11-25 04:17:18,471 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (67)] Ended with exit code 0 [2024-11-25 04:17:18,474 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:17:18,474 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 27 states and 39 transitions. [2024-11-25 04:17:18,474 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 39 transitions. [2024-11-25 04:17:18,475 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-25 04:17:18,475 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:17:18,475 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:17:18,475 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:17:18,477 INFO L229 MonitoredProcess]: Starting monitored process 68 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:17:18,479 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (68)] Waiting until timeout for monitored process [2024-11-25 04:17:18,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:17:18,803 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:17:18,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:17:18,832 INFO L256 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-25 04:17:18,833 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:17:21,159 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2024-11-25 04:17:21,162 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (68)] Forceful destruction successful, exit code 0 [2024-11-25 04:17:21,166 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:17:21,167 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 27 states and 39 transitions. [2024-11-25 04:17:21,167 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 39 transitions. [2024-11-25 04:17:21,167 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-25 04:17:21,167 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:17:21,167 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:17:21,167 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:17:21,172 INFO L229 MonitoredProcess]: Starting monitored process 69 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:17:21,174 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (69)] Waiting until timeout for monitored process [2024-11-25 04:17:21,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:17:21,497 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:17:21,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:17:21,524 INFO L256 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-25 04:17:21,526 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:17:23,844 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2024-11-25 04:17:23,851 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (69)] Forceful destruction successful, exit code 0 [2024-11-25 04:17:23,856 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:17:23,856 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 27 states and 39 transitions. [2024-11-25 04:17:23,857 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 39 transitions. [2024-11-25 04:17:23,857 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-25 04:17:23,857 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:17:23,857 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:17:23,858 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:17:23,860 INFO L229 MonitoredProcess]: Starting monitored process 70 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:17:23,864 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (70)] Waiting until timeout for monitored process [2024-11-25 04:17:24,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:17:24,203 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:17:24,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:17:24,226 INFO L256 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-25 04:17:24,227 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:17:26,455 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2024-11-25 04:17:26,459 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (70)] Ended with exit code 0 [2024-11-25 04:17:26,464 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:17:26,464 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 27 states and 39 transitions. [2024-11-25 04:17:26,464 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 39 transitions. [2024-11-25 04:17:26,465 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-25 04:17:26,465 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:17:26,465 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:17:26,465 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:17:26,468 INFO L229 MonitoredProcess]: Starting monitored process 71 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:17:26,471 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (71)] Waiting until timeout for monitored process [2024-11-25 04:17:26,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:17:26,844 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:17:26,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:17:26,871 INFO L256 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-25 04:17:26,872 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:17:29,071 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2024-11-25 04:17:29,076 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (71)] Forceful destruction successful, exit code 0 [2024-11-25 04:17:29,078 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:17:29,079 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 27 states and 39 transitions. [2024-11-25 04:17:29,079 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 39 transitions. [2024-11-25 04:17:29,079 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-25 04:17:29,079 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:17:29,080 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:17:29,080 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:17:29,082 INFO L229 MonitoredProcess]: Starting monitored process 72 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:17:29,086 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (72)] Waiting until timeout for monitored process [2024-11-25 04:17:29,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:17:29,342 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:17:29,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:17:29,365 INFO L256 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-25 04:17:29,366 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:17:31,192 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2024-11-25 04:17:31,195 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (72)] Forceful destruction successful, exit code 0 [2024-11-25 04:17:31,197 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:17:31,197 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 27 states and 39 transitions. [2024-11-25 04:17:31,198 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 39 transitions. [2024-11-25 04:17:31,198 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-25 04:17:31,198 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:17:31,198 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:17:31,198 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:17:31,201 INFO L229 MonitoredProcess]: Starting monitored process 73 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:17:31,202 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (73)] Waiting until timeout for monitored process [2024-11-25 04:17:31,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:17:31,466 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:17:31,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:17:31,490 INFO L256 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-25 04:17:31,491 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:17:33,193 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2024-11-25 04:17:33,196 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (73)] Forceful destruction successful, exit code 0 [2024-11-25 04:17:33,199 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:17:33,199 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 27 states and 39 transitions. [2024-11-25 04:17:33,199 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 39 transitions. [2024-11-25 04:17:33,199 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-25 04:17:33,199 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:17:33,199 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:17:33,199 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:17:33,201 INFO L229 MonitoredProcess]: Starting monitored process 74 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:17:33,202 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (74)] Waiting until timeout for monitored process [2024-11-25 04:17:33,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:17:33,449 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:17:33,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:17:33,470 INFO L256 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-25 04:17:33,471 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:17:35,412 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2024-11-25 04:17:35,415 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (74)] Forceful destruction successful, exit code 0 [2024-11-25 04:17:35,417 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:17:35,418 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 27 states and 39 transitions. [2024-11-25 04:17:35,418 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 39 transitions. [2024-11-25 04:17:35,418 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-25 04:17:35,418 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:17:35,418 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:17:35,418 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:17:35,420 INFO L229 MonitoredProcess]: Starting monitored process 75 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:17:35,421 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (75)] Waiting until timeout for monitored process [2024-11-25 04:17:35,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:17:35,752 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:17:35,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:17:35,773 INFO L256 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-25 04:17:35,774 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:17:37,646 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2024-11-25 04:17:37,649 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (75)] Ended with exit code 0 [2024-11-25 04:17:37,652 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:17:37,653 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 27 states and 39 transitions. [2024-11-25 04:17:37,653 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 39 transitions. [2024-11-25 04:17:37,653 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-25 04:17:37,653 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:17:37,653 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:17:37,653 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:17:37,655 INFO L229 MonitoredProcess]: Starting monitored process 76 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:17:37,656 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (76)] Waiting until timeout for monitored process [2024-11-25 04:17:37,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:17:37,910 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:17:37,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:17:37,933 INFO L256 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-25 04:17:37,934 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:17:40,271 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2024-11-25 04:17:40,275 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (76)] Ended with exit code 0 [2024-11-25 04:17:40,279 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:17:40,279 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 27 states and 39 transitions. [2024-11-25 04:17:40,280 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 39 transitions. [2024-11-25 04:17:40,280 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-25 04:17:40,280 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:17:40,280 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:17:40,280 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:17:40,283 INFO L229 MonitoredProcess]: Starting monitored process 77 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:17:40,285 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (77)] Waiting until timeout for monitored process [2024-11-25 04:17:40,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:17:40,608 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:17:40,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:17:40,635 INFO L256 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-25 04:17:40,636 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:17:42,871 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2024-11-25 04:17:42,874 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (77)] Ended with exit code 0 [2024-11-25 04:17:42,877 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:17:42,878 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 27 states and 39 transitions. [2024-11-25 04:17:42,878 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 39 transitions. [2024-11-25 04:17:42,878 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-25 04:17:42,878 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:17:42,878 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:17:42,879 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:17:42,881 INFO L229 MonitoredProcess]: Starting monitored process 78 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:17:42,882 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (78)] Waiting until timeout for monitored process [2024-11-25 04:17:43,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:17:43,208 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:17:43,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:17:43,234 INFO L256 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-25 04:17:43,235 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:17:45,025 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2024-11-25 04:17:45,028 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (78)] Ended with exit code 0 [2024-11-25 04:17:45,031 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:17:45,032 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 27 states and 39 transitions. [2024-11-25 04:17:45,032 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 39 transitions. [2024-11-25 04:17:45,032 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-25 04:17:45,032 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:17:45,032 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:17:45,032 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:17:45,034 INFO L229 MonitoredProcess]: Starting monitored process 79 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:17:45,035 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (79)] Waiting until timeout for monitored process [2024-11-25 04:17:45,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:17:45,286 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:17:45,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:17:45,307 INFO L256 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-25 04:17:45,308 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:17:47,013 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2024-11-25 04:17:47,016 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (79)] Ended with exit code 0 [2024-11-25 04:17:47,019 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:17:47,020 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 27 states and 39 transitions. [2024-11-25 04:17:47,020 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 39 transitions. [2024-11-25 04:17:47,020 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-25 04:17:47,020 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:17:47,020 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:17:47,020 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:17:47,022 INFO L229 MonitoredProcess]: Starting monitored process 80 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:17:47,023 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (80)] Waiting until timeout for monitored process [2024-11-25 04:17:47,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:17:47,272 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:17:47,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:17:47,295 INFO L256 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-25 04:17:47,297 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:17:48,997 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2024-11-25 04:17:49,000 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (80)] Forceful destruction successful, exit code 0 [2024-11-25 04:17:49,003 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:17:49,003 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 27 states and 39 transitions. [2024-11-25 04:17:49,003 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 39 transitions. [2024-11-25 04:17:49,003 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-25 04:17:49,003 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:17:49,003 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:17:49,003 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:17:49,005 INFO L229 MonitoredProcess]: Starting monitored process 81 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:17:49,006 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (81)] Waiting until timeout for monitored process [2024-11-25 04:17:49,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:17:49,254 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:17:49,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:17:49,275 INFO L256 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-25 04:17:49,276 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:17:50,947 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2024-11-25 04:17:50,950 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (81)] Ended with exit code 0 [2024-11-25 04:17:50,953 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:17:50,954 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 27 states and 39 transitions. [2024-11-25 04:17:50,954 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 39 transitions. [2024-11-25 04:17:50,954 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-25 04:17:50,954 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:17:50,954 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:17:50,954 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:17:50,958 INFO L229 MonitoredProcess]: Starting monitored process 82 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:17:50,960 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (82)] Waiting until timeout for monitored process [2024-11-25 04:17:51,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:17:51,257 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:17:51,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:17:51,282 INFO L256 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-25 04:17:51,283 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:17:53,393 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2024-11-25 04:17:53,396 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (82)] Ended with exit code 0 [2024-11-25 04:17:53,399 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:17:53,399 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 27 states and 39 transitions. [2024-11-25 04:17:53,399 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 39 transitions. [2024-11-25 04:17:53,400 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-25 04:17:53,400 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:17:53,400 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:17:53,400 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:17:53,402 INFO L229 MonitoredProcess]: Starting monitored process 83 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:17:53,403 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (83)] Waiting until timeout for monitored process [2024-11-25 04:17:53,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:17:53,726 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:17:53,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:17:53,761 INFO L256 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-25 04:17:53,763 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:17:56,088 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2024-11-25 04:17:56,091 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (83)] Ended with exit code 0 [2024-11-25 04:17:56,094 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:17:56,094 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 27 states and 39 transitions. [2024-11-25 04:17:56,094 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 39 transitions. [2024-11-25 04:17:56,094 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-25 04:17:56,094 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:17:56,095 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:17:56,095 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:17:56,097 INFO L229 MonitoredProcess]: Starting monitored process 84 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:17:56,098 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (84)] Waiting until timeout for monitored process [2024-11-25 04:17:56,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:17:56,439 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:17:56,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:17:56,468 INFO L256 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-25 04:17:56,469 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:17:58,748 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2024-11-25 04:17:58,750 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (84)] Ended with exit code 0 [2024-11-25 04:17:58,753 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:17:58,753 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 27 states and 39 transitions. [2024-11-25 04:17:58,753 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 39 transitions. [2024-11-25 04:17:58,753 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-25 04:17:58,753 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:17:58,753 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:17:58,753 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:17:58,755 INFO L229 MonitoredProcess]: Starting monitored process 85 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:17:58,756 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (85)] Waiting until timeout for monitored process [2024-11-25 04:17:59,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:17:59,012 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:17:59,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:17:59,034 INFO L256 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-25 04:17:59,035 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:18:00,721 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2024-11-25 04:18:00,724 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (85)] Forceful destruction successful, exit code 0 [2024-11-25 04:18:00,726 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:18:00,727 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 27 states and 39 transitions. [2024-11-25 04:18:00,727 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 39 transitions. [2024-11-25 04:18:00,727 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-25 04:18:00,727 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:18:00,727 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:18:00,727 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:18:00,729 INFO L229 MonitoredProcess]: Starting monitored process 86 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:18:00,731 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (86)] Waiting until timeout for monitored process [2024-11-25 04:18:00,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:18:00,964 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:18:00,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:18:00,985 INFO L256 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-25 04:18:00,986 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:18:03,192 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2024-11-25 04:18:03,195 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (86)] Ended with exit code 0 [2024-11-25 04:18:03,198 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:18:03,198 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 27 states and 39 transitions. [2024-11-25 04:18:03,198 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 39 transitions. [2024-11-25 04:18:03,198 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-25 04:18:03,198 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:18:03,198 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:18:03,198 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:18:03,200 INFO L229 MonitoredProcess]: Starting monitored process 87 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:18:03,201 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (87)] Waiting until timeout for monitored process [2024-11-25 04:18:03,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:18:03,452 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:18:03,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:18:03,477 INFO L256 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-25 04:18:03,479 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:18:05,319 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2024-11-25 04:18:05,322 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (87)] Forceful destruction successful, exit code 0 [2024-11-25 04:18:05,325 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:18:05,325 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 27 states and 39 transitions. [2024-11-25 04:18:05,326 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 39 transitions. [2024-11-25 04:18:05,326 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-25 04:18:05,326 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:18:05,326 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:18:05,326 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:18:05,328 INFO L229 MonitoredProcess]: Starting monitored process 88 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:18:05,329 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (88)] Waiting until timeout for monitored process [2024-11-25 04:18:05,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:18:05,665 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:18:05,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:18:05,696 INFO L256 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-25 04:18:05,698 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:18:07,438 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2024-11-25 04:18:07,441 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (88)] Ended with exit code 0 [2024-11-25 04:18:07,444 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:18:07,444 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 27 states and 39 transitions. [2024-11-25 04:18:07,444 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 39 transitions. [2024-11-25 04:18:07,444 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-25 04:18:07,444 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:18:07,444 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:18:07,445 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:18:07,446 INFO L229 MonitoredProcess]: Starting monitored process 89 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:18:07,448 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (89)] Waiting until timeout for monitored process [2024-11-25 04:18:07,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:18:07,690 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:18:07,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:18:07,715 INFO L256 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-25 04:18:07,716 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:18:09,346 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2024-11-25 04:18:09,349 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (89)] Ended with exit code 0 [2024-11-25 04:18:09,352 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:18:09,352 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 27 states and 39 transitions. [2024-11-25 04:18:09,352 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 39 transitions. [2024-11-25 04:18:09,353 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-25 04:18:09,353 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:18:09,353 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:18:09,353 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:18:09,354 INFO L229 MonitoredProcess]: Starting monitored process 90 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:18:09,356 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (90)] Waiting until timeout for monitored process [2024-11-25 04:18:09,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:18:09,591 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:18:09,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:18:09,611 INFO L256 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-25 04:18:09,612 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:18:11,255 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2024-11-25 04:18:11,257 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (90)] Forceful destruction successful, exit code 0 [2024-11-25 04:18:11,259 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:18:11,259 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 27 states and 39 transitions. [2024-11-25 04:18:11,259 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 39 transitions. [2024-11-25 04:18:11,260 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-25 04:18:11,260 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:18:11,260 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:18:11,260 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:18:11,261 INFO L229 MonitoredProcess]: Starting monitored process 91 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:18:11,263 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (91)] Waiting until timeout for monitored process [2024-11-25 04:18:11,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:18:11,510 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:18:11,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:18:11,533 INFO L256 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-25 04:18:11,534 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:18:13,354 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2024-11-25 04:18:13,357 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (91)] Ended with exit code 0 [2024-11-25 04:18:13,360 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:18:13,361 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 27 states and 39 transitions. [2024-11-25 04:18:13,361 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 39 transitions. [2024-11-25 04:18:13,361 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-25 04:18:13,361 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:18:13,361 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:18:13,361 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:18:13,363 INFO L229 MonitoredProcess]: Starting monitored process 92 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:18:13,365 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (92)] Waiting until timeout for monitored process [2024-11-25 04:18:13,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:18:13,671 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:18:13,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:18:13,697 INFO L256 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-25 04:18:13,698 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:18:15,688 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2024-11-25 04:18:15,693 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (92)] Ended with exit code 0 [2024-11-25 04:18:15,698 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:18:15,698 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 27 states and 39 transitions. [2024-11-25 04:18:15,698 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 39 transitions. [2024-11-25 04:18:15,699 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-25 04:18:15,699 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:18:15,699 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:18:15,699 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:18:15,702 INFO L229 MonitoredProcess]: Starting monitored process 93 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:18:15,706 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (93)] Waiting until timeout for monitored process [2024-11-25 04:18:16,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:18:16,010 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:18:16,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:18:16,036 INFO L256 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-25 04:18:16,037 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:18:17,850 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2024-11-25 04:18:17,853 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (93)] Forceful destruction successful, exit code 0 [2024-11-25 04:18:17,856 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:18:17,856 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 27 states and 39 transitions. [2024-11-25 04:18:17,856 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 39 transitions. [2024-11-25 04:18:17,857 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-25 04:18:17,857 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:18:17,857 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:18:17,857 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:18:17,859 INFO L229 MonitoredProcess]: Starting monitored process 94 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:18:17,860 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (94)] Waiting until timeout for monitored process [2024-11-25 04:18:18,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:18:18,168 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:18:18,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:18:18,194 INFO L256 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-25 04:18:18,195 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:18:20,034 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2024-11-25 04:18:20,038 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (94)] Ended with exit code 0 [2024-11-25 04:18:20,041 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:18:20,041 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 27 states and 39 transitions. [2024-11-25 04:18:20,041 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 39 transitions. [2024-11-25 04:18:20,042 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-25 04:18:20,042 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:18:20,042 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:18:20,042 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:18:20,044 INFO L229 MonitoredProcess]: Starting monitored process 95 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:18:20,045 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (95)] Waiting until timeout for monitored process [2024-11-25 04:18:20,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:18:20,352 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:18:20,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:18:20,378 INFO L256 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-25 04:18:20,379 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:18:22,195 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2024-11-25 04:18:22,199 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (95)] Ended with exit code 0 [2024-11-25 04:18:22,203 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:18:22,203 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 27 states and 39 transitions. [2024-11-25 04:18:22,203 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 39 transitions. [2024-11-25 04:18:22,203 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-25 04:18:22,203 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:18:22,203 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:18:22,203 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:18:22,206 INFO L229 MonitoredProcess]: Starting monitored process 96 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:18:22,207 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (96)] Waiting until timeout for monitored process [2024-11-25 04:18:22,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:18:22,521 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:18:22,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:18:22,547 INFO L256 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-25 04:18:22,548 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:18:24,394 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2024-11-25 04:18:24,397 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (96)] Ended with exit code 0 [2024-11-25 04:18:24,399 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:18:24,399 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 27 states and 39 transitions. [2024-11-25 04:18:24,399 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 39 transitions. [2024-11-25 04:18:24,400 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-25 04:18:24,400 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:18:24,400 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:18:24,400 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:18:24,402 INFO L229 MonitoredProcess]: Starting monitored process 97 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:18:24,403 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (97)] Waiting until timeout for monitored process [2024-11-25 04:18:24,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:18:24,650 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:18:24,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:18:24,670 INFO L256 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-25 04:18:24,671 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:18:26,437 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2024-11-25 04:18:26,440 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (97)] Forceful destruction successful, exit code 0 [2024-11-25 04:18:26,442 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:18:26,442 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 27 states and 39 transitions. [2024-11-25 04:18:26,442 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 39 transitions. [2024-11-25 04:18:26,443 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-25 04:18:26,443 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:18:26,443 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:18:26,443 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:18:26,444 INFO L229 MonitoredProcess]: Starting monitored process 98 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:18:26,446 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (98)] Waiting until timeout for monitored process [2024-11-25 04:18:26,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:18:26,696 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:18:26,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:18:26,719 INFO L256 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-25 04:18:26,720 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:18:28,459 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2024-11-25 04:18:28,462 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (98)] Forceful destruction successful, exit code 0 [2024-11-25 04:18:28,465 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:18:28,466 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 27 states and 39 transitions. [2024-11-25 04:18:28,466 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 39 transitions. [2024-11-25 04:18:28,466 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-25 04:18:28,466 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:18:28,466 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:18:28,466 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:18:28,468 INFO L229 MonitoredProcess]: Starting monitored process 99 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:18:28,470 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (99)] Waiting until timeout for monitored process [2024-11-25 04:18:28,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:18:28,745 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:18:28,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:18:28,767 INFO L256 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-25 04:18:28,769 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:18:30,495 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2024-11-25 04:18:30,498 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (99)] Forceful destruction successful, exit code 0 [2024-11-25 04:18:30,501 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:18:30,501 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 27 states and 39 transitions. [2024-11-25 04:18:30,501 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 39 transitions. [2024-11-25 04:18:30,501 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-25 04:18:30,501 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:18:30,502 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:18:30,502 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:18:30,503 INFO L229 MonitoredProcess]: Starting monitored process 100 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:18:30,505 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (100)] Waiting until timeout for monitored process [2024-11-25 04:18:30,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:18:30,780 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:18:30,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:18:30,801 INFO L256 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-25 04:18:30,803 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:18:32,654 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2024-11-25 04:18:32,657 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (100)] Forceful destruction successful, exit code 0 [2024-11-25 04:18:32,659 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:18:32,660 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 27 states and 39 transitions. [2024-11-25 04:18:32,660 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 39 transitions. [2024-11-25 04:18:32,660 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-25 04:18:32,660 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:18:32,660 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:18:32,660 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:18:32,662 INFO L229 MonitoredProcess]: Starting monitored process 101 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:18:32,663 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (101)] Waiting until timeout for monitored process [2024-11-25 04:18:32,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:18:32,930 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:18:32,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:18:32,950 INFO L256 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-25 04:18:32,952 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:18:34,694 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2024-11-25 04:18:34,697 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (101)] Forceful destruction successful, exit code 0 [2024-11-25 04:18:34,700 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:18:34,700 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 27 states and 39 transitions. [2024-11-25 04:18:34,700 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 39 transitions. [2024-11-25 04:18:34,701 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-25 04:18:34,701 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:18:34,701 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:18:34,701 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:18:34,702 INFO L229 MonitoredProcess]: Starting monitored process 102 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:18:34,704 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (102)] Waiting until timeout for monitored process [2024-11-25 04:18:34,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:18:34,968 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:18:34,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:18:34,990 INFO L256 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-25 04:18:34,991 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:18:36,847 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2024-11-25 04:18:36,851 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (102)] Ended with exit code 0 [2024-11-25 04:18:36,854 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:18:36,854 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 27 states and 39 transitions. [2024-11-25 04:18:36,854 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 39 transitions. [2024-11-25 04:18:36,855 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-25 04:18:36,855 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:18:36,855 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:18:36,855 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:18:36,857 INFO L229 MonitoredProcess]: Starting monitored process 103 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:18:36,858 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (103)] Waiting until timeout for monitored process [2024-11-25 04:18:37,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:18:37,138 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:18:37,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:18:37,163 INFO L256 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-25 04:18:37,164 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:18:38,900 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2024-11-25 04:18:38,904 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (103)] Forceful destruction successful, exit code 0 [2024-11-25 04:18:38,907 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:18:38,907 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 27 states and 39 transitions. [2024-11-25 04:18:38,907 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 39 transitions. [2024-11-25 04:18:38,907 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-25 04:18:38,907 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:18:38,907 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:18:38,907 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:18:38,909 INFO L229 MonitoredProcess]: Starting monitored process 104 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:18:38,911 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (104)] Waiting until timeout for monitored process [2024-11-25 04:18:39,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:18:39,192 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:18:39,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:18:39,215 INFO L256 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-25 04:18:39,216 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:18:40,862 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2024-11-25 04:18:40,865 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (104)] Ended with exit code 0 [2024-11-25 04:18:40,868 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:18:40,868 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 27 states and 39 transitions. [2024-11-25 04:18:40,868 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 39 transitions. [2024-11-25 04:18:40,869 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-25 04:18:40,869 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:18:40,869 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:18:40,869 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:18:40,870 INFO L229 MonitoredProcess]: Starting monitored process 105 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:18:40,872 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (105)] Waiting until timeout for monitored process [2024-11-25 04:18:41,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:18:41,114 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:18:41,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:18:41,136 INFO L256 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-25 04:18:41,136 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:18:42,861 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2024-11-25 04:18:42,864 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (105)] Ended with exit code 0 [2024-11-25 04:18:42,868 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:18:42,868 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 27 states and 39 transitions. [2024-11-25 04:18:42,868 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 39 transitions. [2024-11-25 04:18:42,869 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-25 04:18:42,869 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:18:42,869 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:18:42,869 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:18:42,873 INFO L229 MonitoredProcess]: Starting monitored process 106 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:18:42,874 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (106)] Waiting until timeout for monitored process [2024-11-25 04:18:43,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:18:43,292 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:18:43,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:18:43,319 INFO L256 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-25 04:18:43,320 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:18:46,031 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2024-11-25 04:18:46,035 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (106)] Forceful destruction successful, exit code 0 [2024-11-25 04:18:46,038 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:18:46,038 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 27 states and 39 transitions. [2024-11-25 04:18:46,038 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 39 transitions. [2024-11-25 04:18:46,039 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-25 04:18:46,039 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:18:46,039 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:18:46,039 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:18:46,041 INFO L229 MonitoredProcess]: Starting monitored process 107 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:18:46,042 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (107)] Waiting until timeout for monitored process [2024-11-25 04:18:46,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:18:46,332 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:18:46,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:18:46,356 INFO L256 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-25 04:18:46,357 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:18:48,036 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2024-11-25 04:18:48,039 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (107)] Forceful destruction successful, exit code 0 [2024-11-25 04:18:48,041 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:18:48,041 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 27 states and 39 transitions. [2024-11-25 04:18:48,041 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 39 transitions. [2024-11-25 04:18:48,041 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-25 04:18:48,041 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:18:48,041 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:18:48,042 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:18:48,045 INFO L229 MonitoredProcess]: Starting monitored process 108 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:18:48,051 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (108)] Waiting until timeout for monitored process [2024-11-25 04:18:48,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:18:48,357 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:18:48,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:18:48,391 INFO L256 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-25 04:18:48,392 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:18:50,730 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2024-11-25 04:18:50,734 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (108)] Ended with exit code 0 [2024-11-25 04:18:50,736 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:18:50,736 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 27 states and 39 transitions. [2024-11-25 04:18:50,736 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 39 transitions. [2024-11-25 04:18:50,737 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-25 04:18:50,737 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:18:50,737 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:18:50,737 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:18:50,739 INFO L229 MonitoredProcess]: Starting monitored process 109 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:18:50,743 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (109)] Waiting until timeout for monitored process [2024-11-25 04:18:51,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:18:51,005 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:18:51,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:18:51,032 INFO L256 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-25 04:18:51,033 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:18:52,723 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2024-11-25 04:18:52,726 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (109)] Ended with exit code 0 [2024-11-25 04:18:52,728 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:18:52,728 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 27 states and 39 transitions. [2024-11-25 04:18:52,729 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 39 transitions. [2024-11-25 04:18:52,729 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-25 04:18:52,729 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:18:52,729 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:18:52,729 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:18:52,732 INFO L229 MonitoredProcess]: Starting monitored process 110 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:18:52,734 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (110)] Waiting until timeout for monitored process [2024-11-25 04:18:52,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:18:52,991 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:18:53,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:18:53,014 INFO L256 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-25 04:18:53,014 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:18:54,732 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2024-11-25 04:18:54,735 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (110)] Ended with exit code 0 [2024-11-25 04:18:54,739 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:18:54,739 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 27 states and 39 transitions. [2024-11-25 04:18:54,739 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 39 transitions. [2024-11-25 04:18:54,739 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-25 04:18:54,739 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:18:54,739 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:18:54,740 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:18:54,744 INFO L229 MonitoredProcess]: Starting monitored process 111 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:18:54,748 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (111)] Waiting until timeout for monitored process [2024-11-25 04:18:54,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:18:54,981 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:18:55,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:18:55,005 INFO L256 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-25 04:18:55,006 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:18:56,759 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2024-11-25 04:18:56,762 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (111)] Forceful destruction successful, exit code 0 [2024-11-25 04:18:56,764 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:18:56,765 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 27 states and 39 transitions. [2024-11-25 04:18:56,765 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 39 transitions. [2024-11-25 04:18:56,765 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-25 04:18:56,765 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:18:56,765 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:18:56,765 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:18:56,767 INFO L229 MonitoredProcess]: Starting monitored process 112 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:18:56,768 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (112)] Waiting until timeout for monitored process [2024-11-25 04:18:57,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:18:57,010 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:18:57,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:18:57,031 INFO L256 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-25 04:18:57,032 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:18:59,199 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2024-11-25 04:18:59,204 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (112)] Ended with exit code 0 [2024-11-25 04:18:59,207 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:18:59,207 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 27 states and 39 transitions. [2024-11-25 04:18:59,207 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 39 transitions. [2024-11-25 04:18:59,207 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-25 04:18:59,207 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:18:59,207 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:18:59,208 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:18:59,210 INFO L229 MonitoredProcess]: Starting monitored process 113 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:18:59,213 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (113)] Waiting until timeout for monitored process [2024-11-25 04:18:59,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:18:59,543 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:18:59,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:18:59,565 INFO L256 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-25 04:18:59,566 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:19:01,281 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2024-11-25 04:19:01,284 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (113)] Ended with exit code 0 [2024-11-25 04:19:01,287 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:19:01,287 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 27 states and 39 transitions. [2024-11-25 04:19:01,287 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 39 transitions. [2024-11-25 04:19:01,287 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-25 04:19:01,287 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:19:01,288 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:19:01,288 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:19:01,289 INFO L229 MonitoredProcess]: Starting monitored process 114 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:19:01,291 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (114)] Waiting until timeout for monitored process [2024-11-25 04:19:01,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:19:01,548 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:19:01,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:19:01,570 INFO L256 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-25 04:19:01,571 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:19:03,278 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2024-11-25 04:19:03,282 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (114)] Ended with exit code 0 [2024-11-25 04:19:03,285 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:19:03,285 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 27 states and 39 transitions. [2024-11-25 04:19:03,285 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 39 transitions. [2024-11-25 04:19:03,285 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-25 04:19:03,285 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:19:03,286 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:19:03,286 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:19:03,288 INFO L229 MonitoredProcess]: Starting monitored process 115 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:19:03,292 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (115)] Waiting until timeout for monitored process [2024-11-25 04:19:03,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:19:03,557 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:19:03,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:19:03,581 INFO L256 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-25 04:19:03,582 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:19:05,294 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2024-11-25 04:19:05,297 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (115)] Ended with exit code 0 [2024-11-25 04:19:05,299 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:19:05,300 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 27 states and 39 transitions. [2024-11-25 04:19:05,300 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 39 transitions. [2024-11-25 04:19:05,300 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-25 04:19:05,300 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:19:05,300 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:19:05,300 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:19:05,302 INFO L229 MonitoredProcess]: Starting monitored process 116 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:19:05,305 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (116)] Waiting until timeout for monitored process [2024-11-25 04:19:05,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:19:05,609 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:19:05,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:19:05,635 INFO L256 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-25 04:19:05,636 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:19:07,326 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2024-11-25 04:19:07,329 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (116)] Ended with exit code 0 [2024-11-25 04:19:07,332 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:19:07,332 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 27 states and 39 transitions. [2024-11-25 04:19:07,332 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 39 transitions. [2024-11-25 04:19:07,332 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-25 04:19:07,332 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:19:07,332 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:19:07,332 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:19:07,334 INFO L229 MonitoredProcess]: Starting monitored process 117 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:19:07,335 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (117)] Waiting until timeout for monitored process [2024-11-25 04:19:07,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:19:07,593 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:19:07,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:19:07,614 INFO L256 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-25 04:19:07,615 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:19:09,325 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2024-11-25 04:19:09,328 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (117)] Ended with exit code 0 [2024-11-25 04:19:09,330 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:19:09,330 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 27 states and 39 transitions. [2024-11-25 04:19:09,330 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 39 transitions. [2024-11-25 04:19:09,330 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-25 04:19:09,331 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:19:09,331 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:19:09,331 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:19:09,333 INFO L229 MonitoredProcess]: Starting monitored process 118 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:19:09,336 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (118)] Waiting until timeout for monitored process [2024-11-25 04:19:09,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:19:09,599 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:19:09,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:19:09,619 INFO L256 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-25 04:19:09,620 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:19:11,297 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2024-11-25 04:19:11,300 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (118)] Forceful destruction successful, exit code 0 [2024-11-25 04:19:11,302 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:19:11,303 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 27 states and 39 transitions. [2024-11-25 04:19:11,303 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 39 transitions. [2024-11-25 04:19:11,303 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-25 04:19:11,303 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:19:11,303 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:19:11,303 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:19:11,305 INFO L229 MonitoredProcess]: Starting monitored process 119 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:19:11,306 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (119)] Waiting until timeout for monitored process [2024-11-25 04:19:11,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:19:11,558 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:19:11,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:19:11,579 INFO L256 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-25 04:19:11,580 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:19:13,294 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2024-11-25 04:19:13,297 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (119)] Ended with exit code 0 [2024-11-25 04:19:13,299 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:19:13,300 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 27 states and 39 transitions. [2024-11-25 04:19:13,300 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 39 transitions. [2024-11-25 04:19:13,300 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-25 04:19:13,300 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:19:13,300 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:19:13,300 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:19:13,302 INFO L229 MonitoredProcess]: Starting monitored process 120 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:19:13,303 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (120)] Waiting until timeout for monitored process [2024-11-25 04:19:13,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:19:13,562 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:19:13,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:19:13,582 INFO L256 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-25 04:19:13,583 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:19:15,315 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2024-11-25 04:19:15,318 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (120)] Forceful destruction successful, exit code 0 [2024-11-25 04:19:15,319 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:19:15,320 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 27 states and 39 transitions. [2024-11-25 04:19:15,320 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 39 transitions. [2024-11-25 04:19:15,320 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-25 04:19:15,320 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:19:15,320 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:19:15,320 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:19:15,322 INFO L229 MonitoredProcess]: Starting monitored process 121 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:19:15,325 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (121)] Waiting until timeout for monitored process [2024-11-25 04:19:15,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:19:15,581 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:19:15,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:19:15,603 INFO L256 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-25 04:19:15,605 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:19:17,469 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2024-11-25 04:19:17,473 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (121)] Ended with exit code 0 [2024-11-25 04:19:17,475 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:19:17,475 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 27 states and 39 transitions. [2024-11-25 04:19:17,475 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 39 transitions. [2024-11-25 04:19:17,475 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-25 04:19:17,475 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:19:17,475 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:19:17,475 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:19:17,477 INFO L229 MonitoredProcess]: Starting monitored process 122 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:19:17,478 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (122)] Waiting until timeout for monitored process [2024-11-25 04:19:17,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:19:17,747 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:19:17,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:19:17,769 INFO L256 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-25 04:19:17,770 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:19:19,495 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2024-11-25 04:19:19,500 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (122)] Ended with exit code 0 [2024-11-25 04:19:19,503 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:19:19,503 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 27 states and 39 transitions. [2024-11-25 04:19:19,503 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 39 transitions. [2024-11-25 04:19:19,503 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-25 04:19:19,504 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:19:19,504 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:19:19,504 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:19:19,506 INFO L229 MonitoredProcess]: Starting monitored process 123 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:19:19,508 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (123)] Waiting until timeout for monitored process [2024-11-25 04:19:19,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:19:19,782 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:19:19,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:19:19,804 INFO L256 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-25 04:19:19,805 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:19:21,494 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2024-11-25 04:19:21,497 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (123)] Ended with exit code 0 [2024-11-25 04:19:21,500 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:19:21,500 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 27 states and 39 transitions. [2024-11-25 04:19:21,500 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 39 transitions. [2024-11-25 04:19:21,501 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-25 04:19:21,501 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:19:21,501 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:19:21,501 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:19:21,503 INFO L229 MonitoredProcess]: Starting monitored process 124 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:19:21,506 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (124)] Waiting until timeout for monitored process [2024-11-25 04:19:21,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:19:21,762 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:19:21,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:19:21,784 INFO L256 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-25 04:19:21,785 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:19:23,545 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2024-11-25 04:19:23,548 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (124)] Forceful destruction successful, exit code 0 [2024-11-25 04:19:23,551 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:19:23,551 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 27 states and 39 transitions. [2024-11-25 04:19:23,551 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 39 transitions. [2024-11-25 04:19:23,551 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-25 04:19:23,551 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:19:23,551 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:19:23,551 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:19:23,553 INFO L229 MonitoredProcess]: Starting monitored process 125 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:19:23,554 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (125)] Waiting until timeout for monitored process [2024-11-25 04:19:23,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:19:23,801 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:19:23,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:19:23,822 INFO L256 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-25 04:19:23,823 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:19:25,579 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2024-11-25 04:19:25,583 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (125)] Ended with exit code 0 [2024-11-25 04:19:25,586 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:19:25,587 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 27 states and 39 transitions. [2024-11-25 04:19:25,587 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 39 transitions. [2024-11-25 04:19:25,587 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-25 04:19:25,587 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:19:25,587 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:19:25,587 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:19:25,589 INFO L229 MonitoredProcess]: Starting monitored process 126 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:19:25,592 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (126)] Waiting until timeout for monitored process [2024-11-25 04:19:25,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:19:25,946 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:19:25,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:19:25,968 INFO L256 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-25 04:19:25,968 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:19:27,624 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2024-11-25 04:19:27,627 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (126)] Forceful destruction successful, exit code 0 [2024-11-25 04:19:27,630 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:19:27,630 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 27 states and 39 transitions. [2024-11-25 04:19:27,630 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 39 transitions. [2024-11-25 04:19:27,630 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-25 04:19:27,630 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:19:27,630 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:19:27,631 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:19:27,633 INFO L229 MonitoredProcess]: Starting monitored process 127 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:19:27,634 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (127)] Waiting until timeout for monitored process [2024-11-25 04:19:27,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:19:27,870 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:19:27,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:19:27,893 INFO L256 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-25 04:19:27,894 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:19:29,556 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2024-11-25 04:19:29,559 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (127)] Ended with exit code 0 [2024-11-25 04:19:29,561 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:19:29,562 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 27 states and 39 transitions. [2024-11-25 04:19:29,562 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 39 transitions. [2024-11-25 04:19:29,562 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-25 04:19:29,562 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:19:29,562 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:19:29,562 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:19:29,567 INFO L229 MonitoredProcess]: Starting monitored process 128 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:19:29,569 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (128)] Waiting until timeout for monitored process [2024-11-25 04:19:29,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:19:29,807 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:19:29,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:19:29,828 INFO L256 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-25 04:19:29,829 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:19:31,472 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2024-11-25 04:19:31,475 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (128)] Forceful destruction successful, exit code 0 [2024-11-25 04:19:31,476 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:19:31,477 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 27 states and 39 transitions. [2024-11-25 04:19:31,477 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 39 transitions. [2024-11-25 04:19:31,477 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-25 04:19:31,477 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:19:31,477 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:19:31,477 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:19:31,479 INFO L229 MonitoredProcess]: Starting monitored process 129 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:19:31,481 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (129)] Waiting until timeout for monitored process [2024-11-25 04:19:31,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:19:31,719 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:19:31,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:19:31,742 INFO L256 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-25 04:19:31,743 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:19:33,402 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2024-11-25 04:19:33,407 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (129)] Ended with exit code 0 [2024-11-25 04:19:33,410 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:19:33,412 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 27 states and 39 transitions. [2024-11-25 04:19:33,412 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 39 transitions. [2024-11-25 04:19:33,412 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-25 04:19:33,412 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:19:33,413 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:19:33,413 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:19:33,416 INFO L229 MonitoredProcess]: Starting monitored process 130 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:19:33,418 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (130)] Waiting until timeout for monitored process [2024-11-25 04:19:33,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:19:33,666 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:19:33,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:19:33,687 INFO L256 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-25 04:19:33,688 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:19:35,657 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2024-11-25 04:19:35,663 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (130)] Forceful destruction successful, exit code 0 [2024-11-25 04:19:35,667 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:19:35,668 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 27 states and 39 transitions. [2024-11-25 04:19:35,668 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 39 transitions. [2024-11-25 04:19:35,668 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-25 04:19:35,668 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:19:35,668 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:19:35,668 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:19:35,670 INFO L229 MonitoredProcess]: Starting monitored process 131 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:19:35,671 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (131)] Waiting until timeout for monitored process [2024-11-25 04:19:35,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:19:35,914 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:19:35,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:19:35,934 INFO L256 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-25 04:19:35,936 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:19:37,584 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2024-11-25 04:19:37,587 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (131)] Ended with exit code 0 [2024-11-25 04:19:37,590 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:19:37,590 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 27 states and 39 transitions. [2024-11-25 04:19:37,590 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 39 transitions. [2024-11-25 04:19:37,590 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-25 04:19:37,590 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:19:37,590 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:19:37,590 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:19:37,593 INFO L229 MonitoredProcess]: Starting monitored process 132 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:19:37,594 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (132)] Waiting until timeout for monitored process [2024-11-25 04:19:37,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:19:37,840 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:19:37,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:19:37,859 INFO L256 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-25 04:19:37,860 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:19:39,665 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2024-11-25 04:19:39,668 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (132)] Ended with exit code 0 [2024-11-25 04:19:39,671 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:19:39,671 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 27 states and 39 transitions. [2024-11-25 04:19:39,671 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 39 transitions. [2024-11-25 04:19:39,671 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-25 04:19:39,671 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:19:39,672 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:19:39,672 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:19:39,673 INFO L229 MonitoredProcess]: Starting monitored process 133 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:19:39,675 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (133)] Waiting until timeout for monitored process [2024-11-25 04:19:39,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:19:39,954 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:19:39,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:19:39,986 INFO L256 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-25 04:19:39,987 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:19:41,669 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2024-11-25 04:19:41,672 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (133)] Ended with exit code 0 [2024-11-25 04:19:41,674 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:19:41,674 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 27 states and 39 transitions. [2024-11-25 04:19:41,674 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 39 transitions. [2024-11-25 04:19:41,674 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-25 04:19:41,674 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:19:41,674 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:19:41,674 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:19:41,676 INFO L229 MonitoredProcess]: Starting monitored process 134 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:19:41,677 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (134)] Waiting until timeout for monitored process [2024-11-25 04:19:41,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:19:41,932 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:19:41,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:19:41,953 INFO L256 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-25 04:19:41,954 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:19:43,613 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2024-11-25 04:19:43,616 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (134)] Ended with exit code 0 [2024-11-25 04:19:43,618 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:19:43,618 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 27 states and 39 transitions. [2024-11-25 04:19:43,619 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 39 transitions. [2024-11-25 04:19:43,619 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-25 04:19:43,619 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:19:43,619 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:19:43,619 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:19:43,621 INFO L229 MonitoredProcess]: Starting monitored process 135 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:19:43,622 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (135)] Waiting until timeout for monitored process [2024-11-25 04:19:43,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:19:43,891 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:19:43,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:19:43,913 INFO L256 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-25 04:19:43,914 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:19:45,633 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2024-11-25 04:19:45,636 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (135)] Ended with exit code 0 [2024-11-25 04:19:45,639 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:19:45,639 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 27 states and 39 transitions. [2024-11-25 04:19:45,639 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 39 transitions. [2024-11-25 04:19:45,639 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-25 04:19:45,639 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:19:45,639 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:19:45,639 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:19:45,642 INFO L229 MonitoredProcess]: Starting monitored process 136 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:19:45,643 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (136)] Waiting until timeout for monitored process [2024-11-25 04:19:45,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:19:45,910 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:19:45,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:19:45,931 INFO L256 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-25 04:19:45,932 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:19:47,635 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2024-11-25 04:19:47,639 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (136)] Ended with exit code 0 [2024-11-25 04:19:47,643 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:19:47,643 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 27 states and 39 transitions. [2024-11-25 04:19:47,643 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 39 transitions. [2024-11-25 04:19:47,643 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-25 04:19:47,643 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:19:47,643 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:19:47,644 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:19:47,646 INFO L229 MonitoredProcess]: Starting monitored process 137 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:19:47,648 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (137)] Waiting until timeout for monitored process [2024-11-25 04:19:48,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:19:48,035 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:19:48,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:19:48,057 INFO L256 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-25 04:19:48,058 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:19:49,744 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2024-11-25 04:19:49,747 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (137)] Forceful destruction successful, exit code 0 [2024-11-25 04:19:49,749 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:19:49,750 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 27 states and 39 transitions. [2024-11-25 04:19:49,750 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 39 transitions. [2024-11-25 04:19:49,750 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-25 04:19:49,750 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:19:49,750 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:19:49,750 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:19:49,752 INFO L229 MonitoredProcess]: Starting monitored process 138 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:19:49,753 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (138)] Waiting until timeout for monitored process [2024-11-25 04:19:50,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:19:50,018 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:19:50,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:19:50,040 INFO L256 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-25 04:19:50,041 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:19:51,874 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2024-11-25 04:19:51,877 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (138)] Ended with exit code 0 [2024-11-25 04:19:51,881 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:19:51,882 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 27 states and 39 transitions. [2024-11-25 04:19:51,883 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 39 transitions. [2024-11-25 04:19:51,883 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-25 04:19:51,883 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:19:51,883 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:19:51,883 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:19:51,885 INFO L229 MonitoredProcess]: Starting monitored process 139 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:19:51,888 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (139)] Waiting until timeout for monitored process [2024-11-25 04:19:52,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:19:52,154 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:19:52,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:19:52,176 INFO L256 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-25 04:19:52,177 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:19:53,858 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2024-11-25 04:19:53,862 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (139)] Forceful destruction successful, exit code 0 [2024-11-25 04:19:53,866 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:19:53,866 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 27 states and 39 transitions. [2024-11-25 04:19:53,866 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 39 transitions. [2024-11-25 04:19:53,866 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-25 04:19:53,866 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:19:53,867 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:19:53,867 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:19:53,869 INFO L229 MonitoredProcess]: Starting monitored process 140 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:19:53,877 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (140)] Waiting until timeout for monitored process [2024-11-25 04:19:54,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:19:54,140 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:19:54,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:19:54,162 INFO L256 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-25 04:19:54,163 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:19:55,994 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2024-11-25 04:19:55,997 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (140)] Ended with exit code 0 [2024-11-25 04:19:56,000 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:19:56,000 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 27 states and 39 transitions. [2024-11-25 04:19:56,000 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 39 transitions. [2024-11-25 04:19:56,000 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-25 04:19:56,000 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:19:56,000 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:19:56,000 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:19:56,002 INFO L229 MonitoredProcess]: Starting monitored process 141 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:19:56,003 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (141)] Waiting until timeout for monitored process [2024-11-25 04:19:56,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:19:56,268 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:19:56,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:19:56,291 INFO L256 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-25 04:19:56,292 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:19:57,984 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2024-11-25 04:19:57,986 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (141)] Ended with exit code 0 [2024-11-25 04:19:57,989 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:19:57,989 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 27 states and 39 transitions. [2024-11-25 04:19:57,989 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 39 transitions. [2024-11-25 04:19:57,990 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-25 04:19:57,990 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:19:57,990 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:19:57,990 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:19:57,992 INFO L229 MonitoredProcess]: Starting monitored process 142 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:19:57,993 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (142)] Waiting until timeout for monitored process [2024-11-25 04:19:58,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:19:58,242 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:19:58,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:19:58,264 INFO L256 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-25 04:19:58,265 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:19:59,935 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2024-11-25 04:19:59,938 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (142)] Ended with exit code 0 [2024-11-25 04:19:59,941 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:19:59,941 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 27 states and 39 transitions. [2024-11-25 04:19:59,941 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 39 transitions. [2024-11-25 04:19:59,941 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-25 04:19:59,942 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:19:59,942 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:19:59,942 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:19:59,944 INFO L229 MonitoredProcess]: Starting monitored process 143 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:19:59,945 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (143)] Waiting until timeout for monitored process [2024-11-25 04:20:00,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:20:00,215 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:20:00,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:20:00,236 INFO L256 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-25 04:20:00,237 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:20:01,947 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2024-11-25 04:20:01,950 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (143)] Ended with exit code 0 [2024-11-25 04:20:01,952 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:20:01,953 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 27 states and 39 transitions. [2024-11-25 04:20:01,953 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 39 transitions. [2024-11-25 04:20:01,953 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-25 04:20:01,953 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:20:01,953 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:20:01,953 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:20:01,955 INFO L229 MonitoredProcess]: Starting monitored process 144 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:20:01,956 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (144)] Waiting until timeout for monitored process [2024-11-25 04:20:02,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:20:02,221 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:20:02,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:20:02,243 INFO L256 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-25 04:20:02,244 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:20:03,925 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2024-11-25 04:20:03,928 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (144)] Ended with exit code 0 [2024-11-25 04:20:03,930 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:20:03,931 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 27 states and 39 transitions. [2024-11-25 04:20:03,931 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 39 transitions. [2024-11-25 04:20:03,931 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-25 04:20:03,931 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:20:03,931 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:20:03,931 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:20:03,933 INFO L229 MonitoredProcess]: Starting monitored process 145 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:20:03,934 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (145)] Waiting until timeout for monitored process [2024-11-25 04:20:04,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:20:04,206 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:20:04,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:20:04,228 INFO L256 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-25 04:20:04,229 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:20:05,909 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2024-11-25 04:20:05,912 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (145)] Ended with exit code 0 [2024-11-25 04:20:05,914 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:20:05,914 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 27 states and 39 transitions. [2024-11-25 04:20:05,914 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 39 transitions. [2024-11-25 04:20:05,915 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-25 04:20:05,915 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:20:05,915 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:20:05,915 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:20:05,919 INFO L229 MonitoredProcess]: Starting monitored process 146 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:20:05,921 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (146)] Waiting until timeout for monitored process [2024-11-25 04:20:06,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:20:06,178 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:20:06,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:20:06,199 INFO L256 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-25 04:20:06,200 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:20:07,876 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2024-11-25 04:20:07,879 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (146)] Ended with exit code 0 [2024-11-25 04:20:07,881 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:20:07,881 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 27 states and 39 transitions. [2024-11-25 04:20:07,881 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 39 transitions. [2024-11-25 04:20:07,881 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-25 04:20:07,881 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:20:07,881 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:20:07,881 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:20:07,883 INFO L229 MonitoredProcess]: Starting monitored process 147 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:20:07,890 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (147)] Waiting until timeout for monitored process [2024-11-25 04:20:08,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:20:08,149 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:20:08,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:20:08,170 INFO L256 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-25 04:20:08,171 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:20:10,054 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2024-11-25 04:20:10,057 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (147)] Ended with exit code 0 [2024-11-25 04:20:10,059 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:20:10,059 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 27 states and 39 transitions. [2024-11-25 04:20:10,059 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 39 transitions. [2024-11-25 04:20:10,059 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-25 04:20:10,059 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:20:10,059 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:20:10,059 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:20:10,061 INFO L229 MonitoredProcess]: Starting monitored process 148 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:20:10,062 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (148)] Waiting until timeout for monitored process [2024-11-25 04:20:10,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:20:10,301 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:20:10,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:20:10,321 INFO L256 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-25 04:20:10,322 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:20:11,975 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2024-11-25 04:20:11,978 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (148)] Ended with exit code 0 [2024-11-25 04:20:11,980 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:20:11,980 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 27 states and 39 transitions. [2024-11-25 04:20:11,980 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 39 transitions. [2024-11-25 04:20:11,981 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-25 04:20:11,981 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:20:11,981 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:20:11,981 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:20:11,982 INFO L229 MonitoredProcess]: Starting monitored process 149 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:20:11,984 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (149)] Waiting until timeout for monitored process [2024-11-25 04:20:12,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:20:12,228 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:20:12,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:20:12,249 INFO L256 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-25 04:20:12,250 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:20:13,919 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2024-11-25 04:20:13,922 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (149)] Ended with exit code 0 [2024-11-25 04:20:13,925 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:20:13,925 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 27 states and 39 transitions. [2024-11-25 04:20:13,925 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 39 transitions. [2024-11-25 04:20:13,925 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-25 04:20:13,925 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:20:13,926 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:20:13,926 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:20:13,928 INFO L229 MonitoredProcess]: Starting monitored process 150 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:20:13,929 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (150)] Waiting until timeout for monitored process [2024-11-25 04:20:14,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:20:14,230 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:20:14,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:20:14,250 INFO L256 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-25 04:20:14,251 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:20:15,925 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2024-11-25 04:20:15,928 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (150)] Ended with exit code 0 [2024-11-25 04:20:15,930 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:20:15,931 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 27 states and 39 transitions. [2024-11-25 04:20:15,931 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 39 transitions. [2024-11-25 04:20:15,931 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-25 04:20:15,931 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:20:15,931 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:20:15,932 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:20:15,934 INFO L229 MonitoredProcess]: Starting monitored process 151 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:20:15,937 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (151)] Waiting until timeout for monitored process [2024-11-25 04:20:16,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:20:16,180 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:20:16,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:20:16,201 INFO L256 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-25 04:20:16,202 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:20:17,880 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2024-11-25 04:20:17,883 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (151)] Forceful destruction successful, exit code 0 [2024-11-25 04:20:17,885 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:20:17,885 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 27 states and 39 transitions. [2024-11-25 04:20:17,886 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 39 transitions. [2024-11-25 04:20:17,886 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-25 04:20:17,886 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:20:17,886 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:20:17,886 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:20:17,891 INFO L229 MonitoredProcess]: Starting monitored process 152 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:20:17,892 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (152)] Waiting until timeout for monitored process [2024-11-25 04:20:18,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:20:18,148 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:20:18,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:20:18,169 INFO L256 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-25 04:20:18,170 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:20:19,951 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2024-11-25 04:20:19,954 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (152)] Ended with exit code 0 [2024-11-25 04:20:19,957 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:20:19,957 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 27 states and 39 transitions. [2024-11-25 04:20:19,957 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 39 transitions. [2024-11-25 04:20:19,957 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-25 04:20:19,957 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:20:19,957 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:20:19,957 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:20:19,959 INFO L229 MonitoredProcess]: Starting monitored process 153 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:20:19,960 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (153)] Waiting until timeout for monitored process [2024-11-25 04:20:20,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:20:20,202 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:20:20,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:20:20,223 INFO L256 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-25 04:20:20,224 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:20:21,877 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2024-11-25 04:20:21,880 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (153)] Ended with exit code 0 [2024-11-25 04:20:21,882 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:20:21,882 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 27 states and 39 transitions. [2024-11-25 04:20:21,882 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 39 transitions. [2024-11-25 04:20:21,882 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-25 04:20:21,882 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:20:21,883 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:20:21,883 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:20:21,884 INFO L229 MonitoredProcess]: Starting monitored process 154 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:20:21,885 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (154)] Waiting until timeout for monitored process [2024-11-25 04:20:22,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:20:22,140 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:20:22,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:20:22,161 INFO L256 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-25 04:20:22,162 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:20:23,800 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2024-11-25 04:20:23,802 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (154)] Ended with exit code 0 [2024-11-25 04:20:23,805 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:20:23,805 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 27 states and 39 transitions. [2024-11-25 04:20:23,806 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 39 transitions. [2024-11-25 04:20:23,806 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-25 04:20:23,806 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:20:23,806 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:20:23,806 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:20:23,807 INFO L229 MonitoredProcess]: Starting monitored process 155 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:20:23,809 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (155)] Waiting until timeout for monitored process [2024-11-25 04:20:24,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:20:24,051 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:20:24,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:20:24,072 INFO L256 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-25 04:20:24,073 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:20:25,742 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2024-11-25 04:20:25,744 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (155)] Ended with exit code 0 [2024-11-25 04:20:25,746 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:20:25,746 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 27 states and 39 transitions. [2024-11-25 04:20:25,746 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 39 transitions. [2024-11-25 04:20:25,746 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-25 04:20:25,747 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:20:25,747 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:20:25,747 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:20:25,749 INFO L229 MonitoredProcess]: Starting monitored process 156 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:20:25,751 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (156)] Waiting until timeout for monitored process [2024-11-25 04:20:25,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:20:25,990 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:20:26,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:20:26,011 INFO L256 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-25 04:20:26,012 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:20:27,636 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2024-11-25 04:20:27,638 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (156)] Forceful destruction successful, exit code 0 [2024-11-25 04:20:27,640 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:20:27,640 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 27 states and 39 transitions. [2024-11-25 04:20:27,640 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 39 transitions. [2024-11-25 04:20:27,641 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-25 04:20:27,641 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:20:27,641 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:20:27,641 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:20:27,642 INFO L229 MonitoredProcess]: Starting monitored process 157 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:20:27,644 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (157)] Waiting until timeout for monitored process [2024-11-25 04:20:27,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:20:27,877 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:20:27,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:20:27,898 INFO L256 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-25 04:20:27,898 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:20:29,685 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2024-11-25 04:20:29,688 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (157)] Ended with exit code 0 [2024-11-25 04:20:29,690 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:20:29,691 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 27 states and 39 transitions. [2024-11-25 04:20:29,691 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 39 transitions. [2024-11-25 04:20:29,691 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-25 04:20:29,691 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:20:29,691 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:20:29,691 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:20:29,693 INFO L229 MonitoredProcess]: Starting monitored process 158 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:20:29,694 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (158)] Waiting until timeout for monitored process [2024-11-25 04:20:29,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:20:29,929 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:20:29,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:20:29,949 INFO L256 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-25 04:20:29,950 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:20:31,573 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2024-11-25 04:20:31,575 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (158)] Ended with exit code 0 [2024-11-25 04:20:31,577 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:20:31,577 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 27 states and 39 transitions. [2024-11-25 04:20:31,578 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 39 transitions. [2024-11-25 04:20:31,578 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-25 04:20:31,578 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:20:31,578 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:20:31,578 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:20:31,579 INFO L229 MonitoredProcess]: Starting monitored process 159 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:20:31,580 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (159)] Waiting until timeout for monitored process [2024-11-25 04:20:31,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:20:31,814 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:20:31,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:20:31,835 INFO L256 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-25 04:20:31,836 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:20:33,483 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2024-11-25 04:20:33,485 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (159)] Ended with exit code 0 [2024-11-25 04:20:33,487 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:20:33,488 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 27 states and 39 transitions. [2024-11-25 04:20:33,488 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 39 transitions. [2024-11-25 04:20:33,488 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-25 04:20:33,488 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:20:33,488 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:20:33,488 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:20:33,489 INFO L229 MonitoredProcess]: Starting monitored process 160 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:20:33,491 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (160)] Waiting until timeout for monitored process [2024-11-25 04:20:33,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:20:33,723 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:20:33,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:20:33,744 INFO L256 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-25 04:20:33,745 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:20:35,498 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2024-11-25 04:20:35,500 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (160)] Ended with exit code 0 [2024-11-25 04:20:35,502 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:20:35,502 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 27 states and 39 transitions. [2024-11-25 04:20:35,502 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 39 transitions. [2024-11-25 04:20:35,502 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-25 04:20:35,503 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:20:35,503 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:20:35,503 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:20:35,504 INFO L229 MonitoredProcess]: Starting monitored process 161 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:20:35,505 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (161)] Waiting until timeout for monitored process [2024-11-25 04:20:35,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:20:35,739 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:20:35,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:20:35,759 INFO L256 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-25 04:20:35,760 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:20:37,822 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2024-11-25 04:20:37,825 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (161)] Ended with exit code 0 [2024-11-25 04:20:37,826 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:20:37,827 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 27 states and 39 transitions. [2024-11-25 04:20:37,827 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 39 transitions. [2024-11-25 04:20:37,827 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-25 04:20:37,827 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:20:37,827 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:20:37,827 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:20:37,829 INFO L229 MonitoredProcess]: Starting monitored process 162 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:20:37,830 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (162)] Waiting until timeout for monitored process [2024-11-25 04:20:38,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:20:38,111 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:20:38,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:20:38,139 INFO L256 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-25 04:20:38,140 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:20:40,186 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2024-11-25 04:20:40,189 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (162)] Ended with exit code 0 [2024-11-25 04:20:40,192 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:20:40,192 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 27 states and 39 transitions. [2024-11-25 04:20:40,192 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 39 transitions. [2024-11-25 04:20:40,192 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-25 04:20:40,192 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:20:40,192 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:20:40,192 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:20:40,194 INFO L229 MonitoredProcess]: Starting monitored process 163 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:20:40,195 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (163)] Waiting until timeout for monitored process [2024-11-25 04:20:40,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:20:40,445 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:20:40,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:20:40,466 INFO L256 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-25 04:20:40,466 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:20:42,126 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2024-11-25 04:20:42,129 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (163)] Ended with exit code 0 [2024-11-25 04:20:42,132 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:20:42,132 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 27 states and 39 transitions. [2024-11-25 04:20:42,132 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 39 transitions. [2024-11-25 04:20:42,132 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-25 04:20:42,132 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:20:42,132 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:20:42,132 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:20:42,134 INFO L229 MonitoredProcess]: Starting monitored process 164 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:20:42,135 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (164)] Waiting until timeout for monitored process [2024-11-25 04:20:42,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:20:42,381 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:20:42,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:20:42,402 INFO L256 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-25 04:20:42,403 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:20:44,070 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2024-11-25 04:20:44,073 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (164)] Ended with exit code 0 [2024-11-25 04:20:44,074 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:20:44,074 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 27 states and 39 transitions. [2024-11-25 04:20:44,075 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 39 transitions. [2024-11-25 04:20:44,075 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-25 04:20:44,075 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:20:44,075 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:20:44,075 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:20:44,076 INFO L229 MonitoredProcess]: Starting monitored process 165 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:20:44,078 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (165)] Waiting until timeout for monitored process [2024-11-25 04:20:44,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:20:44,312 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:20:44,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:20:44,332 INFO L256 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-25 04:20:44,333 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:20:46,028 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2024-11-25 04:20:46,031 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (165)] Ended with exit code 0 [2024-11-25 04:20:46,033 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:20:46,033 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 27 states and 39 transitions. [2024-11-25 04:20:46,033 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 39 transitions. [2024-11-25 04:20:46,033 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-25 04:20:46,033 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:20:46,033 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:20:46,034 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:20:46,035 INFO L229 MonitoredProcess]: Starting monitored process 166 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:20:46,036 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (166)] Waiting until timeout for monitored process [2024-11-25 04:20:46,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:20:46,270 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:20:46,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:20:46,291 INFO L256 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-25 04:20:46,291 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:20:47,940 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2024-11-25 04:20:47,943 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (166)] Ended with exit code 0 [2024-11-25 04:20:47,945 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:20:47,945 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 27 states and 39 transitions. [2024-11-25 04:20:47,945 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 39 transitions. [2024-11-25 04:20:47,945 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-25 04:20:47,945 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:20:47,945 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:20:47,945 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:20:47,947 INFO L229 MonitoredProcess]: Starting monitored process 167 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:20:47,948 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (167)] Waiting until timeout for monitored process [2024-11-25 04:20:48,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:20:48,194 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:20:48,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:20:48,216 INFO L256 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-25 04:20:48,217 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:20:49,881 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2024-11-25 04:20:49,884 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (167)] Ended with exit code 0 [2024-11-25 04:20:49,886 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:20:49,887 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 27 states and 39 transitions. [2024-11-25 04:20:49,887 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 39 transitions. [2024-11-25 04:20:49,887 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-25 04:20:49,887 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:20:49,887 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:20:49,887 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:20:49,889 INFO L229 MonitoredProcess]: Starting monitored process 168 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:20:49,891 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (168)] Waiting until timeout for monitored process [2024-11-25 04:20:50,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:20:50,147 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:20:50,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:20:50,169 INFO L256 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-25 04:20:50,170 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:20:51,826 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2024-11-25 04:20:51,828 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (168)] Forceful destruction successful, exit code 0 [2024-11-25 04:20:51,830 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:20:51,830 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 27 states and 39 transitions. [2024-11-25 04:20:51,831 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 39 transitions. [2024-11-25 04:20:51,831 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-25 04:20:51,831 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:20:51,831 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:20:51,831 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:20:51,833 INFO L229 MonitoredProcess]: Starting monitored process 169 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:20:51,834 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (169)] Waiting until timeout for monitored process [2024-11-25 04:20:52,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:20:52,115 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:20:52,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:20:52,139 INFO L256 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-25 04:20:52,140 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:20:53,759 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2024-11-25 04:20:53,762 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (169)] Ended with exit code 0 [2024-11-25 04:20:53,764 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:20:53,764 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 27 states and 39 transitions. [2024-11-25 04:20:53,764 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 39 transitions. [2024-11-25 04:20:53,764 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-25 04:20:53,764 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:20:53,765 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:20:53,765 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:20:53,766 INFO L229 MonitoredProcess]: Starting monitored process 170 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:20:53,768 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (170)] Waiting until timeout for monitored process [2024-11-25 04:20:53,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:20:53,990 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:20:54,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:20:54,010 INFO L256 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-25 04:20:54,011 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:20:55,738 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2024-11-25 04:20:55,741 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (170)] Ended with exit code 0 [2024-11-25 04:20:55,743 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:20:55,744 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 27 states and 39 transitions. [2024-11-25 04:20:55,744 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 39 transitions. [2024-11-25 04:20:55,744 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-25 04:20:55,744 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:20:55,744 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:20:55,744 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:20:55,746 INFO L229 MonitoredProcess]: Starting monitored process 171 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:20:55,747 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (171)] Waiting until timeout for monitored process [2024-11-25 04:20:55,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:20:55,994 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:20:56,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:20:56,015 INFO L256 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-25 04:20:56,015 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:20:57,680 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2024-11-25 04:20:57,682 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (171)] Ended with exit code 0 [2024-11-25 04:20:57,685 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:20:57,685 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 27 states and 39 transitions. [2024-11-25 04:20:57,685 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 39 transitions. [2024-11-25 04:20:57,685 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-25 04:20:57,685 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:20:57,685 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:20:57,685 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:20:57,687 INFO L229 MonitoredProcess]: Starting monitored process 172 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:20:57,689 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (172)] Waiting until timeout for monitored process [2024-11-25 04:20:57,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:20:57,936 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:20:57,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:20:57,957 INFO L256 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-25 04:20:57,958 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:20:59,598 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2024-11-25 04:20:59,601 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (172)] Ended with exit code 0 [2024-11-25 04:20:59,603 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:20:59,603 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 27 states and 39 transitions. [2024-11-25 04:20:59,603 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 39 transitions. [2024-11-25 04:20:59,604 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-25 04:20:59,604 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:20:59,604 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:20:59,604 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:20:59,607 INFO L229 MonitoredProcess]: Starting monitored process 173 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:20:59,609 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (173)] Waiting until timeout for monitored process [2024-11-25 04:20:59,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:20:59,849 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:20:59,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:20:59,869 INFO L256 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-25 04:20:59,870 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:21:01,510 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2024-11-25 04:21:01,513 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (173)] Ended with exit code 0 [2024-11-25 04:21:01,515 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:21:01,516 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 27 states and 39 transitions. [2024-11-25 04:21:01,516 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 39 transitions. [2024-11-25 04:21:01,516 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-25 04:21:01,516 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:21:01,516 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:21:01,516 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:21:01,519 INFO L229 MonitoredProcess]: Starting monitored process 174 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:21:01,520 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (174)] Waiting until timeout for monitored process [2024-11-25 04:21:01,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:21:01,759 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:21:01,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:21:01,781 INFO L256 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-25 04:21:01,781 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:21:03,435 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2024-11-25 04:21:03,438 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (174)] Ended with exit code 0 [2024-11-25 04:21:03,439 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:21:03,440 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 27 states and 39 transitions. [2024-11-25 04:21:03,440 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 39 transitions. [2024-11-25 04:21:03,440 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-25 04:21:03,440 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:21:03,440 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:21:03,440 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:21:03,441 INFO L229 MonitoredProcess]: Starting monitored process 175 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:21:03,443 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (175)] Waiting until timeout for monitored process [2024-11-25 04:21:03,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:21:03,685 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:21:03,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:21:03,705 INFO L256 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-25 04:21:03,706 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:21:05,411 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2024-11-25 04:21:05,413 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (175)] Ended with exit code 0 [2024-11-25 04:21:05,416 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:21:05,416 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 27 states and 39 transitions. [2024-11-25 04:21:05,416 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 39 transitions. [2024-11-25 04:21:05,417 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-25 04:21:05,417 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:21:05,417 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:21:05,417 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:21:05,418 INFO L229 MonitoredProcess]: Starting monitored process 176 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:21:05,419 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (176)] Waiting until timeout for monitored process [2024-11-25 04:21:05,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:21:05,758 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:21:05,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:21:05,781 INFO L256 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-25 04:21:05,781 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:21:07,432 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2024-11-25 04:21:07,435 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (176)] Ended with exit code 0 [2024-11-25 04:21:07,438 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:21:07,438 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 27 states and 39 transitions. [2024-11-25 04:21:07,438 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 39 transitions. [2024-11-25 04:21:07,438 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-25 04:21:07,438 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:21:07,438 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:21:07,438 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:21:07,440 INFO L229 MonitoredProcess]: Starting monitored process 177 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:21:07,441 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (177)] Waiting until timeout for monitored process [2024-11-25 04:21:07,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:21:07,681 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:21:07,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:21:07,701 INFO L256 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-25 04:21:07,702 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:21:09,333 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2024-11-25 04:21:09,335 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (177)] Ended with exit code 0 [2024-11-25 04:21:09,337 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:21:09,337 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 27 states and 39 transitions. [2024-11-25 04:21:09,337 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 39 transitions. [2024-11-25 04:21:09,338 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-25 04:21:09,338 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:21:09,338 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:21:09,338 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:21:09,339 INFO L229 MonitoredProcess]: Starting monitored process 178 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:21:09,341 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (178)] Waiting until timeout for monitored process [2024-11-25 04:21:09,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:21:09,578 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:21:09,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:21:09,599 INFO L256 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-25 04:21:09,600 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:21:11,249 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2024-11-25 04:21:11,252 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (178)] Ended with exit code 0 [2024-11-25 04:21:11,254 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:21:11,254 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 27 states and 39 transitions. [2024-11-25 04:21:11,254 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 39 transitions. [2024-11-25 04:21:11,255 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-25 04:21:11,255 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:21:11,255 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:21:11,255 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:21:11,256 INFO L229 MonitoredProcess]: Starting monitored process 179 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:21:11,258 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (179)] Waiting until timeout for monitored process [2024-11-25 04:21:11,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:21:11,496 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:21:11,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:21:11,516 INFO L256 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-25 04:21:11,517 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:21:13,165 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2024-11-25 04:21:13,167 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (179)] Forceful destruction successful, exit code 0 [2024-11-25 04:21:13,170 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:21:13,170 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 27 states and 39 transitions. [2024-11-25 04:21:13,170 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 39 transitions. [2024-11-25 04:21:13,170 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-25 04:21:13,170 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:21:13,170 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:21:13,170 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:21:13,172 INFO L229 MonitoredProcess]: Starting monitored process 180 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:21:13,173 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (180)] Waiting until timeout for monitored process [2024-11-25 04:21:13,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:21:13,410 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:21:13,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:21:13,430 INFO L256 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-25 04:21:13,431 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:21:15,084 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2024-11-25 04:21:15,087 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (180)] Ended with exit code 0 [2024-11-25 04:21:15,089 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:21:15,089 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 27 states and 39 transitions. [2024-11-25 04:21:15,089 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 39 transitions. [2024-11-25 04:21:15,090 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-25 04:21:15,090 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:21:15,090 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:21:15,090 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:21:15,092 INFO L229 MonitoredProcess]: Starting monitored process 181 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:21:15,094 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (181)] Waiting until timeout for monitored process [2024-11-25 04:21:15,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:21:15,335 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:21:15,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:21:15,358 INFO L256 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-25 04:21:15,358 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:21:17,114 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2024-11-25 04:21:17,116 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (181)] Ended with exit code 0 [2024-11-25 04:21:17,119 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:21:17,119 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 27 states and 39 transitions. [2024-11-25 04:21:17,119 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 39 transitions. [2024-11-25 04:21:17,119 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-25 04:21:17,119 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:21:17,119 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:21:17,120 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:21:17,121 INFO L229 MonitoredProcess]: Starting monitored process 182 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:21:17,122 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (182)] Waiting until timeout for monitored process [2024-11-25 04:21:17,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:21:17,364 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:21:17,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:21:17,384 INFO L256 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-25 04:21:17,385 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:21:19,037 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2024-11-25 04:21:19,040 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (182)] Forceful destruction successful, exit code 0 [2024-11-25 04:21:19,043 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:21:19,043 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 27 states and 39 transitions. [2024-11-25 04:21:19,043 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 39 transitions. [2024-11-25 04:21:19,043 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-25 04:21:19,043 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:21:19,043 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:21:19,044 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:21:19,045 INFO L229 MonitoredProcess]: Starting monitored process 183 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:21:19,046 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (183)] Waiting until timeout for monitored process [2024-11-25 04:21:19,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:21:19,285 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:21:19,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:21:19,306 INFO L256 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-25 04:21:19,307 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:21:20,952 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2024-11-25 04:21:20,955 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (183)] Ended with exit code 0 [2024-11-25 04:21:20,957 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:21:20,957 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 27 states and 39 transitions. [2024-11-25 04:21:20,957 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 39 transitions. [2024-11-25 04:21:20,957 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-25 04:21:20,958 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:21:20,958 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:21:20,958 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:21:20,960 INFO L229 MonitoredProcess]: Starting monitored process 184 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:21:20,960 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (184)] Waiting until timeout for monitored process [2024-11-25 04:21:21,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:21:21,200 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:21:21,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:21:21,220 INFO L256 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-25 04:21:21,221 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:21:22,864 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2024-11-25 04:21:22,866 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (184)] Forceful destruction successful, exit code 0 [2024-11-25 04:21:22,868 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:21:22,868 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 27 states and 39 transitions. [2024-11-25 04:21:22,868 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 39 transitions. [2024-11-25 04:21:22,868 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-25 04:21:22,868 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:21:22,868 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:21:22,868 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:21:22,870 INFO L229 MonitoredProcess]: Starting monitored process 185 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:21:22,871 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (185)] Waiting until timeout for monitored process [2024-11-25 04:21:23,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:21:23,109 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:21:23,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:21:23,130 INFO L256 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-25 04:21:23,130 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:21:24,787 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2024-11-25 04:21:24,789 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (185)] Ended with exit code 0 [2024-11-25 04:21:24,792 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:21:24,792 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 27 states and 39 transitions. [2024-11-25 04:21:24,792 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 39 transitions. [2024-11-25 04:21:24,793 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-25 04:21:24,793 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:21:24,793 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:21:24,793 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:21:24,794 INFO L229 MonitoredProcess]: Starting monitored process 186 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:21:24,796 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (186)] Waiting until timeout for monitored process [2024-11-25 04:21:25,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:21:25,033 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:21:25,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:21:25,053 INFO L256 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-25 04:21:25,054 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:21:26,792 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2024-11-25 04:21:26,795 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (186)] Forceful destruction successful, exit code 0 [2024-11-25 04:21:26,797 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:21:26,797 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 27 states and 39 transitions. [2024-11-25 04:21:26,797 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 39 transitions. [2024-11-25 04:21:26,798 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-25 04:21:26,798 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:21:26,798 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:21:26,798 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:21:26,799 INFO L229 MonitoredProcess]: Starting monitored process 187 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:21:26,800 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (187)] Waiting until timeout for monitored process [2024-11-25 04:21:27,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:21:27,039 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:21:27,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:21:27,060 INFO L256 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-25 04:21:27,060 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:21:28,695 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2024-11-25 04:21:28,698 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (187)] Ended with exit code 0 [2024-11-25 04:21:28,699 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:21:28,700 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 27 states and 39 transitions. [2024-11-25 04:21:28,700 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 39 transitions. [2024-11-25 04:21:28,700 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-25 04:21:28,700 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:21:28,700 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:21:28,700 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:21:28,701 INFO L229 MonitoredProcess]: Starting monitored process 188 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:21:28,703 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (188)] Waiting until timeout for monitored process [2024-11-25 04:21:28,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:21:28,942 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:21:28,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:21:28,962 INFO L256 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-25 04:21:28,963 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:21:30,610 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2024-11-25 04:21:30,612 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (188)] Ended with exit code 0 [2024-11-25 04:21:30,614 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:21:30,614 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 27 states and 39 transitions. [2024-11-25 04:21:30,615 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 39 transitions. [2024-11-25 04:21:30,615 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-25 04:21:30,615 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:21:30,615 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:21:30,615 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:21:30,616 INFO L229 MonitoredProcess]: Starting monitored process 189 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:21:30,618 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (189)] Waiting until timeout for monitored process [2024-11-25 04:21:30,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:21:30,858 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:21:30,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:21:30,878 INFO L256 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-25 04:21:30,879 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:21:32,524 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2024-11-25 04:21:32,526 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (189)] Forceful destruction successful, exit code 0 [2024-11-25 04:21:32,528 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:21:32,528 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 27 states and 39 transitions. [2024-11-25 04:21:32,528 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 39 transitions. [2024-11-25 04:21:32,529 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-25 04:21:32,529 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:21:32,529 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:21:32,529 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:21:32,530 INFO L229 MonitoredProcess]: Starting monitored process 190 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:21:32,532 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (190)] Waiting until timeout for monitored process [2024-11-25 04:21:32,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:21:32,776 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:21:32,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:21:32,799 INFO L256 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-25 04:21:32,799 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:21:34,472 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2024-11-25 04:21:34,475 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (190)] Forceful destruction successful, exit code 0 [2024-11-25 04:21:34,477 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:21:34,477 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 27 states and 39 transitions. [2024-11-25 04:21:34,477 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 39 transitions. [2024-11-25 04:21:34,477 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-25 04:21:34,478 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:21:34,478 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:21:34,478 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:21:34,481 INFO L229 MonitoredProcess]: Starting monitored process 191 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:21:34,482 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (191)] Waiting until timeout for monitored process [2024-11-25 04:21:34,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:21:34,771 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:21:34,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:21:34,793 INFO L256 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-25 04:21:34,794 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:21:36,538 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2024-11-25 04:21:36,545 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (191)] Ended with exit code 0 [2024-11-25 04:21:36,548 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:21:36,548 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 27 states and 39 transitions. [2024-11-25 04:21:36,548 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 39 transitions. [2024-11-25 04:21:36,549 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-25 04:21:36,549 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:21:36,549 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:21:36,549 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:21:36,551 INFO L229 MonitoredProcess]: Starting monitored process 192 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:21:36,554 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (192)] Waiting until timeout for monitored process [2024-11-25 04:21:36,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:21:36,873 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:21:36,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:21:36,893 INFO L256 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-25 04:21:36,894 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:21:38,539 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2024-11-25 04:21:38,542 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (192)] Forceful destruction successful, exit code 0 [2024-11-25 04:21:38,543 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:21:38,544 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 27 states and 39 transitions. [2024-11-25 04:21:38,544 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 39 transitions. [2024-11-25 04:21:38,544 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-25 04:21:38,544 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:21:38,544 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:21:38,544 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:21:38,548 INFO L229 MonitoredProcess]: Starting monitored process 193 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:21:38,550 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (193)] Waiting until timeout for monitored process [2024-11-25 04:21:38,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:21:38,795 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:21:38,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:21:38,817 INFO L256 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-25 04:21:38,817 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:21:40,453 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2024-11-25 04:21:40,456 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (193)] Ended with exit code 0 [2024-11-25 04:21:40,460 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:21:40,460 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 27 states and 39 transitions. [2024-11-25 04:21:40,460 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 39 transitions. [2024-11-25 04:21:40,461 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-25 04:21:40,461 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:21:40,461 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:21:40,461 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:21:40,463 INFO L229 MonitoredProcess]: Starting monitored process 194 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:21:40,465 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (194)] Waiting until timeout for monitored process [2024-11-25 04:21:40,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:21:40,717 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:21:40,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:21:40,737 INFO L256 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-25 04:21:40,738 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:21:42,392 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2024-11-25 04:21:42,395 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (194)] Ended with exit code 0 [2024-11-25 04:21:42,397 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:21:42,397 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 27 states and 39 transitions. [2024-11-25 04:21:42,397 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 39 transitions. [2024-11-25 04:21:42,398 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-25 04:21:42,398 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:21:42,398 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:21:42,398 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:21:42,399 INFO L229 MonitoredProcess]: Starting monitored process 195 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:21:42,400 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (195)] Waiting until timeout for monitored process [2024-11-25 04:21:42,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:21:42,640 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:21:42,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:21:42,661 INFO L256 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-25 04:21:42,662 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:21:44,317 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2024-11-25 04:21:44,322 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (195)] Ended with exit code 0 [2024-11-25 04:21:44,324 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:21:44,325 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 27 states and 39 transitions. [2024-11-25 04:21:44,325 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 39 transitions. [2024-11-25 04:21:44,325 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-25 04:21:44,325 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:21:44,325 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:21:44,325 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:21:44,327 INFO L229 MonitoredProcess]: Starting monitored process 196 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:21:44,328 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (196)] Waiting until timeout for monitored process [2024-11-25 04:21:44,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:21:44,568 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:21:44,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:21:44,590 INFO L256 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-25 04:21:44,591 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:21:46,332 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2024-11-25 04:21:46,335 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (196)] Ended with exit code 0 [2024-11-25 04:21:46,336 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:21:46,337 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 27 states and 39 transitions. [2024-11-25 04:21:46,337 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 39 transitions. [2024-11-25 04:21:46,337 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-25 04:21:46,337 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:21:46,337 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:21:46,337 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:21:46,338 INFO L229 MonitoredProcess]: Starting monitored process 197 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:21:46,340 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (197)] Waiting until timeout for monitored process [2024-11-25 04:21:46,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:21:46,579 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:21:46,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:21:46,599 INFO L256 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-25 04:21:46,600 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:21:48,275 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2024-11-25 04:21:48,277 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (197)] Ended with exit code 0 [2024-11-25 04:21:48,280 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:21:48,280 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 27 states and 39 transitions. [2024-11-25 04:21:48,280 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 39 transitions. [2024-11-25 04:21:48,280 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-25 04:21:48,280 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:21:48,280 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:21:48,280 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:21:48,282 INFO L229 MonitoredProcess]: Starting monitored process 198 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:21:48,283 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (198)] Waiting until timeout for monitored process [2024-11-25 04:21:48,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:21:48,527 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:21:48,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:21:48,547 INFO L256 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-25 04:21:48,548 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:21:50,191 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2024-11-25 04:21:50,193 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (198)] Ended with exit code 0 [2024-11-25 04:21:50,196 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:21:50,196 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 27 states and 39 transitions. [2024-11-25 04:21:50,196 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 39 transitions. [2024-11-25 04:21:50,196 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-25 04:21:50,196 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:21:50,196 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:21:50,196 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:21:50,198 INFO L229 MonitoredProcess]: Starting monitored process 199 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:21:50,199 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (199)] Waiting until timeout for monitored process [2024-11-25 04:21:50,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:21:50,437 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:21:50,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:21:50,458 INFO L256 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-25 04:21:50,458 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:21:52,101 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2024-11-25 04:21:52,103 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (199)] Ended with exit code 0 [2024-11-25 04:21:52,105 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:21:52,105 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 27 states and 39 transitions. [2024-11-25 04:21:52,106 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 39 transitions. [2024-11-25 04:21:52,106 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-25 04:21:52,106 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:21:52,106 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:21:52,106 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:21:52,107 INFO L229 MonitoredProcess]: Starting monitored process 200 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:21:52,109 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (200)] Waiting until timeout for monitored process [2024-11-25 04:21:52,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:21:52,358 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:21:52,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:21:52,379 INFO L256 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-25 04:21:52,380 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:21:54,024 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2024-11-25 04:21:54,026 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (200)] Ended with exit code 0 [2024-11-25 04:21:54,029 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:21:54,029 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 27 states and 39 transitions. [2024-11-25 04:21:54,029 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 39 transitions. [2024-11-25 04:21:54,029 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-25 04:21:54,029 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:21:54,029 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:21:54,029 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:21:54,031 INFO L229 MonitoredProcess]: Starting monitored process 201 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:21:54,033 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (201)] Waiting until timeout for monitored process [2024-11-25 04:21:54,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:21:54,277 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:21:54,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:21:54,308 INFO L256 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-25 04:21:54,308 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:21:56,042 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2024-11-25 04:21:56,044 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (201)] Forceful destruction successful, exit code 0 [2024-11-25 04:21:56,047 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:21:56,047 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 27 states and 39 transitions. [2024-11-25 04:21:56,047 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 39 transitions. [2024-11-25 04:21:56,047 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-25 04:21:56,047 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:21:56,047 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:21:56,047 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:21:56,049 INFO L229 MonitoredProcess]: Starting monitored process 202 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:21:56,054 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (202)] Waiting until timeout for monitored process [2024-11-25 04:21:56,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:21:56,302 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:21:56,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:21:56,323 INFO L256 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-25 04:21:56,324 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:21:57,961 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2024-11-25 04:21:57,963 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (202)] Ended with exit code 0 [2024-11-25 04:21:57,965 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:21:57,965 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 27 states and 39 transitions. [2024-11-25 04:21:57,965 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 39 transitions. [2024-11-25 04:21:57,966 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-25 04:21:57,966 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:21:57,966 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:21:57,966 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:21:57,967 INFO L229 MonitoredProcess]: Starting monitored process 203 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:21:57,969 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (203)] Waiting until timeout for monitored process [2024-11-25 04:21:58,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:21:58,206 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:21:58,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:21:58,229 INFO L256 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-25 04:21:58,229 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:21:59,855 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2024-11-25 04:21:59,857 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (203)] Ended with exit code 0 [2024-11-25 04:21:59,860 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:21:59,860 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 27 states and 39 transitions. [2024-11-25 04:21:59,860 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 39 transitions. [2024-11-25 04:21:59,860 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-25 04:21:59,860 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:21:59,860 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:21:59,860 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:21:59,862 INFO L229 MonitoredProcess]: Starting monitored process 204 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:21:59,863 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (204)] Waiting until timeout for monitored process [2024-11-25 04:22:00,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:22:00,098 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:22:00,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:22:00,118 INFO L256 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-25 04:22:00,119 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:22:01,755 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2024-11-25 04:22:01,757 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (204)] Ended with exit code 0 [2024-11-25 04:22:01,759 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:22:01,760 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 27 states and 39 transitions. [2024-11-25 04:22:01,760 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 39 transitions. [2024-11-25 04:22:01,760 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-25 04:22:01,760 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:22:01,760 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:22:01,760 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:22:01,766 INFO L229 MonitoredProcess]: Starting monitored process 205 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:22:01,771 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (205)] Waiting until timeout for monitored process [2024-11-25 04:22:02,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:22:02,021 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:22:02,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:22:02,041 INFO L256 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-25 04:22:02,042 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:22:03,687 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2024-11-25 04:22:03,690 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (205)] Ended with exit code 0 [2024-11-25 04:22:03,692 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:22:03,692 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 27 states and 39 transitions. [2024-11-25 04:22:03,692 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 39 transitions. [2024-11-25 04:22:03,693 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-25 04:22:03,693 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:22:03,693 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:22:03,693 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:22:03,696 INFO L229 MonitoredProcess]: Starting monitored process 206 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:22:03,707 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (206)] Waiting until timeout for monitored process [2024-11-25 04:22:03,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:22:03,966 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:22:03,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:22:03,988 INFO L256 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-25 04:22:03,989 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:22:05,723 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2024-11-25 04:22:05,726 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (206)] Ended with exit code 0 [2024-11-25 04:22:05,728 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:22:05,729 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 27 states and 39 transitions. [2024-11-25 04:22:05,729 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 39 transitions. [2024-11-25 04:22:05,729 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-25 04:22:05,729 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:22:05,729 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:22:05,729 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:22:05,731 INFO L229 MonitoredProcess]: Starting monitored process 207 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:22:05,732 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (207)] Waiting until timeout for monitored process [2024-11-25 04:22:05,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:22:05,978 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:22:05,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:22:05,999 INFO L256 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-25 04:22:06,000 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:22:07,635 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2024-11-25 04:22:07,637 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (207)] Ended with exit code 0 [2024-11-25 04:22:07,639 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:22:07,640 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 27 states and 39 transitions. [2024-11-25 04:22:07,640 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 39 transitions. [2024-11-25 04:22:07,640 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-25 04:22:07,640 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:22:07,640 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:22:07,640 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:22:07,641 INFO L229 MonitoredProcess]: Starting monitored process 208 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:22:07,647 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (208)] Waiting until timeout for monitored process [2024-11-25 04:22:07,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:22:07,884 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:22:07,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:22:07,905 INFO L256 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-25 04:22:07,905 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:22:09,602 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2024-11-25 04:22:09,605 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (208)] Ended with exit code 0 [2024-11-25 04:22:09,608 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:22:09,608 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 27 states and 39 transitions. [2024-11-25 04:22:09,608 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 39 transitions. [2024-11-25 04:22:09,608 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-25 04:22:09,608 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:22:09,608 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:22:09,609 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:22:09,612 INFO L229 MonitoredProcess]: Starting monitored process 209 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:22:09,614 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (209)] Waiting until timeout for monitored process [2024-11-25 04:22:09,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:22:09,864 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:22:09,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:22:09,885 INFO L256 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-25 04:22:09,886 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:22:11,541 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2024-11-25 04:22:11,544 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (209)] Forceful destruction successful, exit code 0 [2024-11-25 04:22:11,546 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:22:11,546 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 27 states and 39 transitions. [2024-11-25 04:22:11,546 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 39 transitions. [2024-11-25 04:22:11,547 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-25 04:22:11,547 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:22:11,547 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:22:11,547 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:22:11,553 INFO L229 MonitoredProcess]: Starting monitored process 210 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:22:11,556 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (210)] Waiting until timeout for monitored process [2024-11-25 04:22:11,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:22:11,918 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:22:11,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:22:11,946 INFO L256 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-25 04:22:11,947 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:22:13,885 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2024-11-25 04:22:13,888 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (210)] Ended with exit code 0 [2024-11-25 04:22:13,890 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:22:13,891 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 27 states and 39 transitions. [2024-11-25 04:22:13,891 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 39 transitions. [2024-11-25 04:22:13,891 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-25 04:22:13,891 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:22:13,891 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:22:13,891 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:22:13,893 INFO L229 MonitoredProcess]: Starting monitored process 211 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:22:13,895 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (211)] Waiting until timeout for monitored process [2024-11-25 04:22:14,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:22:14,145 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:22:14,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:22:14,170 INFO L256 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-25 04:22:14,171 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:22:15,893 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2024-11-25 04:22:15,895 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (211)] Ended with exit code 0 [2024-11-25 04:22:15,898 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:22:15,898 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 27 states and 39 transitions. [2024-11-25 04:22:15,898 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 39 transitions. [2024-11-25 04:22:15,898 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-25 04:22:15,898 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:22:15,898 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:22:15,898 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:22:15,900 INFO L229 MonitoredProcess]: Starting monitored process 212 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:22:15,901 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (212)] Waiting until timeout for monitored process [2024-11-25 04:22:16,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:22:16,139 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:22:16,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:22:16,159 INFO L256 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-25 04:22:16,160 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:22:17,803 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2024-11-25 04:22:17,805 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (212)] Ended with exit code 0 [2024-11-25 04:22:17,807 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:22:17,807 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 27 states and 39 transitions. [2024-11-25 04:22:17,807 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 39 transitions. [2024-11-25 04:22:17,808 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-25 04:22:17,808 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:22:17,808 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:22:17,808 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:22:17,809 INFO L229 MonitoredProcess]: Starting monitored process 213 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:22:17,810 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (213)] Waiting until timeout for monitored process [2024-11-25 04:22:18,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:22:18,048 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:22:18,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:22:18,069 INFO L256 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-25 04:22:18,069 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:22:19,714 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2024-11-25 04:22:19,717 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (213)] Ended with exit code 0 [2024-11-25 04:22:19,719 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:22:19,720 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 27 states and 39 transitions. [2024-11-25 04:22:19,720 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 39 transitions. [2024-11-25 04:22:19,720 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-25 04:22:19,720 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:22:19,720 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:22:19,720 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:22:19,721 INFO L229 MonitoredProcess]: Starting monitored process 214 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:22:19,723 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (214)] Waiting until timeout for monitored process [2024-11-25 04:22:19,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:22:19,960 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:22:19,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:22:19,982 INFO L256 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-25 04:22:19,983 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:22:21,624 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2024-11-25 04:22:21,627 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (214)] Forceful destruction successful, exit code 0 [2024-11-25 04:22:21,629 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:22:21,630 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 27 states and 39 transitions. [2024-11-25 04:22:21,630 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 39 transitions. [2024-11-25 04:22:21,630 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-25 04:22:21,630 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:22:21,630 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:22:21,630 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:22:21,632 INFO L229 MonitoredProcess]: Starting monitored process 215 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:22:21,633 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (215)] Waiting until timeout for monitored process [2024-11-25 04:22:21,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:22:21,877 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:22:21,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:22:21,898 INFO L256 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-25 04:22:21,898 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:22:23,531 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2024-11-25 04:22:23,534 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (215)] Ended with exit code 0 [2024-11-25 04:22:23,535 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:22:23,536 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 27 states and 39 transitions. [2024-11-25 04:22:23,536 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 39 transitions. [2024-11-25 04:22:23,536 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-25 04:22:23,536 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:22:23,536 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:22:23,536 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:22:23,537 INFO L229 MonitoredProcess]: Starting monitored process 216 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:22:23,539 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (216)] Waiting until timeout for monitored process [2024-11-25 04:22:23,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:22:23,784 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:22:23,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:22:23,804 INFO L256 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-25 04:22:23,805 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:22:25,515 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2024-11-25 04:22:25,517 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (216)] Ended with exit code 0 [2024-11-25 04:22:25,520 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:22:25,520 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 27 states and 39 transitions. [2024-11-25 04:22:25,520 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 39 transitions. [2024-11-25 04:22:25,520 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-25 04:22:25,520 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:22:25,521 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:22:25,521 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:22:25,522 INFO L229 MonitoredProcess]: Starting monitored process 217 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:22:25,523 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (217)] Waiting until timeout for monitored process [2024-11-25 04:22:25,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:22:25,783 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:22:25,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:22:25,804 INFO L256 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-25 04:22:25,804 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:22:27,455 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2024-11-25 04:22:27,457 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (217)] Ended with exit code 0 [2024-11-25 04:22:27,459 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:22:27,459 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 27 states and 39 transitions. [2024-11-25 04:22:27,460 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 39 transitions. [2024-11-25 04:22:27,460 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-25 04:22:27,460 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:22:27,460 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:22:27,460 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:22:27,461 INFO L229 MonitoredProcess]: Starting monitored process 218 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:22:27,463 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (218)] Waiting until timeout for monitored process [2024-11-25 04:22:27,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:22:27,700 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:22:27,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:22:27,721 INFO L256 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-25 04:22:27,722 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:22:29,365 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2024-11-25 04:22:29,368 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (218)] Ended with exit code 0 [2024-11-25 04:22:29,371 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:22:29,371 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 27 states and 39 transitions. [2024-11-25 04:22:29,371 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 39 transitions. [2024-11-25 04:22:29,372 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-25 04:22:29,372 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:22:29,372 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:22:29,372 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:22:29,374 INFO L229 MonitoredProcess]: Starting monitored process 219 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:22:29,376 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (219)] Waiting until timeout for monitored process [2024-11-25 04:22:29,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:22:29,615 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:22:29,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:22:29,635 INFO L256 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-25 04:22:29,636 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:22:31,363 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2024-11-25 04:22:31,366 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (219)] Ended with exit code 0 [2024-11-25 04:22:31,368 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:22:31,369 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 27 states and 39 transitions. [2024-11-25 04:22:31,369 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 39 transitions. [2024-11-25 04:22:31,369 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-25 04:22:31,369 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:22:31,369 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:22:31,369 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:22:31,371 INFO L229 MonitoredProcess]: Starting monitored process 220 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:22:31,372 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (220)] Waiting until timeout for monitored process [2024-11-25 04:22:31,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:22:31,612 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:22:31,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:22:31,633 INFO L256 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-25 04:22:31,634 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:22:33,284 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2024-11-25 04:22:33,286 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (220)] Forceful destruction successful, exit code 0 [2024-11-25 04:22:33,288 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:22:33,288 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 27 states and 39 transitions. [2024-11-25 04:22:33,288 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 39 transitions. [2024-11-25 04:22:33,289 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-25 04:22:33,289 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:22:33,289 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:22:33,289 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:22:33,290 INFO L229 MonitoredProcess]: Starting monitored process 221 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:22:33,292 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (221)] Waiting until timeout for monitored process [2024-11-25 04:22:33,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:22:33,530 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:22:33,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:22:33,553 INFO L256 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-25 04:22:33,553 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:22:35,213 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2024-11-25 04:22:35,216 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (221)] Ended with exit code 0 [2024-11-25 04:22:35,218 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:22:35,218 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 27 states and 39 transitions. [2024-11-25 04:22:35,218 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 39 transitions. [2024-11-25 04:22:35,218 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-25 04:22:35,218 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:22:35,218 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:22:35,218 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:22:35,220 INFO L229 MonitoredProcess]: Starting monitored process 222 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:22:35,221 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (222)] Waiting until timeout for monitored process [2024-11-25 04:22:35,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:22:35,462 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:22:35,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:22:35,492 INFO L256 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-25 04:22:35,494 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:22:37,214 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2024-11-25 04:22:37,216 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (222)] Ended with exit code 0 [2024-11-25 04:22:37,219 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:22:37,219 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 27 states and 39 transitions. [2024-11-25 04:22:37,219 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 39 transitions. [2024-11-25 04:22:37,219 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-25 04:22:37,219 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:22:37,219 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:22:37,219 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:22:37,221 INFO L229 MonitoredProcess]: Starting monitored process 223 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:22:37,222 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (223)] Waiting until timeout for monitored process [2024-11-25 04:22:37,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:22:37,462 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:22:37,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:22:37,484 INFO L256 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-25 04:22:37,484 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:22:39,138 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2024-11-25 04:22:39,141 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (223)] Ended with exit code 0 [2024-11-25 04:22:39,144 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:22:39,144 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 27 states and 39 transitions. [2024-11-25 04:22:39,144 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 39 transitions. [2024-11-25 04:22:39,144 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-25 04:22:39,144 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:22:39,144 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:22:39,144 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:22:39,146 INFO L229 MonitoredProcess]: Starting monitored process 224 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:22:39,147 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (224)] Waiting until timeout for monitored process [2024-11-25 04:22:39,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:22:39,392 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:22:39,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:22:39,413 INFO L256 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-25 04:22:39,414 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:22:41,048 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2024-11-25 04:22:41,051 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (224)] Ended with exit code 0 [2024-11-25 04:22:41,052 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:22:41,053 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 27 states and 39 transitions. [2024-11-25 04:22:41,053 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 39 transitions. [2024-11-25 04:22:41,053 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-25 04:22:41,053 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:22:41,053 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:22:41,053 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:22:41,055 INFO L229 MonitoredProcess]: Starting monitored process 225 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:22:41,056 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (225)] Waiting until timeout for monitored process [2024-11-25 04:22:41,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:22:41,294 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:22:41,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:22:41,315 INFO L256 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-25 04:22:41,316 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:22:42,955 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2024-11-25 04:22:42,957 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (225)] Ended with exit code 0 [2024-11-25 04:22:42,959 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:22:42,959 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 27 states and 39 transitions. [2024-11-25 04:22:42,960 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 39 transitions. [2024-11-25 04:22:42,960 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-25 04:22:42,960 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:22:42,960 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:22:42,960 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:22:42,961 INFO L229 MonitoredProcess]: Starting monitored process 226 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:22:42,962 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (226)] Waiting until timeout for monitored process [2024-11-25 04:22:43,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:22:43,201 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:22:43,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:22:43,221 INFO L256 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-25 04:22:43,222 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:22:44,877 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2024-11-25 04:22:44,880 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (226)] Ended with exit code 0 [2024-11-25 04:22:44,882 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:22:44,882 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 27 states and 39 transitions. [2024-11-25 04:22:44,882 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 39 transitions. [2024-11-25 04:22:44,882 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-25 04:22:44,882 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:22:44,882 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:22:44,883 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:22:44,884 INFO L229 MonitoredProcess]: Starting monitored process 227 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:22:44,886 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (227)] Waiting until timeout for monitored process [2024-11-25 04:22:45,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:22:45,125 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:22:45,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:22:45,146 INFO L256 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-25 04:22:45,146 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:22:46,903 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2024-11-25 04:22:46,905 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (227)] Ended with exit code 0 [2024-11-25 04:22:46,907 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:22:46,908 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 27 states and 39 transitions. [2024-11-25 04:22:46,908 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 39 transitions. [2024-11-25 04:22:46,908 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-25 04:22:46,908 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:22:46,908 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:22:46,908 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:22:46,914 INFO L229 MonitoredProcess]: Starting monitored process 228 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:22:46,915 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (228)] Waiting until timeout for monitored process [2024-11-25 04:22:47,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:22:47,154 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:22:47,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:22:47,174 INFO L256 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-25 04:22:47,175 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:22:48,824 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2024-11-25 04:22:48,826 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (228)] Ended with exit code 0 [2024-11-25 04:22:48,828 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:22:48,828 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 27 states and 39 transitions. [2024-11-25 04:22:48,828 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 39 transitions. [2024-11-25 04:22:48,829 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-25 04:22:48,829 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:22:48,829 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:22:48,829 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:22:48,830 INFO L229 MonitoredProcess]: Starting monitored process 229 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:22:48,831 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (229)] Waiting until timeout for monitored process [2024-11-25 04:22:49,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:22:49,068 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:22:49,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:22:49,088 INFO L256 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-25 04:22:49,089 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:22:50,721 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2024-11-25 04:22:50,723 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (229)] Ended with exit code 0 [2024-11-25 04:22:50,726 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:22:50,726 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 27 states and 39 transitions. [2024-11-25 04:22:50,726 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 39 transitions. [2024-11-25 04:22:50,727 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-25 04:22:50,727 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:22:50,727 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:22:50,727 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:22:50,728 INFO L229 MonitoredProcess]: Starting monitored process 230 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:22:50,730 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (230)] Waiting until timeout for monitored process [2024-11-25 04:22:50,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:22:50,969 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:22:50,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:22:50,990 INFO L256 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-25 04:22:50,990 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:22:52,633 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2024-11-25 04:22:52,636 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (230)] Ended with exit code 0 [2024-11-25 04:22:52,638 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:22:52,638 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 27 states and 39 transitions. [2024-11-25 04:22:52,638 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 39 transitions. [2024-11-25 04:22:52,639 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-25 04:22:52,639 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:22:52,639 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:22:52,639 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:22:52,640 INFO L229 MonitoredProcess]: Starting monitored process 231 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:22:52,641 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (231)] Waiting until timeout for monitored process [2024-11-25 04:22:52,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:22:52,881 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:22:52,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:22:52,902 INFO L256 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-25 04:22:52,903 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:22:54,586 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2024-11-25 04:22:54,588 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (231)] Ended with exit code 0 [2024-11-25 04:22:54,591 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:22:54,591 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 27 states and 39 transitions. [2024-11-25 04:22:54,591 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 39 transitions. [2024-11-25 04:22:54,591 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-25 04:22:54,591 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:22:54,591 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:22:54,591 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:22:54,597 INFO L229 MonitoredProcess]: Starting monitored process 232 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:22:54,599 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (232)] Waiting until timeout for monitored process [2024-11-25 04:22:54,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:22:54,877 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:22:54,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:22:54,897 INFO L256 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-25 04:22:54,898 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:22:56,646 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2024-11-25 04:22:56,648 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (232)] Ended with exit code 0 [2024-11-25 04:22:56,651 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:22:56,651 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 27 states and 39 transitions. [2024-11-25 04:22:56,651 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 39 transitions. [2024-11-25 04:22:56,652 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-25 04:22:56,652 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:22:56,652 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:22:56,652 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:22:56,653 INFO L229 MonitoredProcess]: Starting monitored process 233 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:22:56,655 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (233)] Waiting until timeout for monitored process [2024-11-25 04:22:56,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:22:56,894 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:22:56,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:22:56,915 INFO L256 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-25 04:22:56,915 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:22:58,545 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2024-11-25 04:22:58,548 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (233)] Ended with exit code 0 [2024-11-25 04:22:58,550 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:22:58,550 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 27 states and 39 transitions. [2024-11-25 04:22:58,550 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 39 transitions. [2024-11-25 04:22:58,550 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-25 04:22:58,550 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:22:58,550 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:22:58,550 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:22:58,554 INFO L229 MonitoredProcess]: Starting monitored process 234 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:22:58,555 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (234)] Waiting until timeout for monitored process [2024-11-25 04:22:58,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:22:58,820 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:22:58,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:22:58,849 INFO L256 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-25 04:22:58,850 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:23:01,039 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2024-11-25 04:23:01,041 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (234)] Ended with exit code 0 [2024-11-25 04:23:01,044 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:23:01,044 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 27 states and 39 transitions. [2024-11-25 04:23:01,044 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 39 transitions. [2024-11-25 04:23:01,044 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-25 04:23:01,044 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:23:01,044 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:23:01,044 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:23:01,046 INFO L229 MonitoredProcess]: Starting monitored process 235 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:23:01,049 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (235)] Waiting until timeout for monitored process [2024-11-25 04:23:01,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:23:01,407 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:23:01,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:23:01,427 INFO L256 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-25 04:23:01,428 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:23:03,122 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2024-11-25 04:23:03,125 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (235)] Ended with exit code 0 [2024-11-25 04:23:03,127 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:23:03,127 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 27 states and 39 transitions. [2024-11-25 04:23:03,127 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 39 transitions. [2024-11-25 04:23:03,128 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-25 04:23:03,128 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:23:03,128 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:23:03,128 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:23:03,130 INFO L229 MonitoredProcess]: Starting monitored process 236 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:23:03,132 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (236)] Waiting until timeout for monitored process [2024-11-25 04:23:03,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:23:03,376 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:23:03,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:23:03,396 INFO L256 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-25 04:23:03,397 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:23:05,047 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2024-11-25 04:23:05,049 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (236)] Ended with exit code 0 [2024-11-25 04:23:05,052 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:23:05,052 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 27 states and 39 transitions. [2024-11-25 04:23:05,052 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 39 transitions. [2024-11-25 04:23:05,053 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-25 04:23:05,053 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:23:05,053 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:23:05,053 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:23:05,054 INFO L229 MonitoredProcess]: Starting monitored process 237 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:23:05,056 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (237)] Waiting until timeout for monitored process [2024-11-25 04:23:05,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:23:05,279 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:23:05,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:23:05,299 INFO L256 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-25 04:23:05,299 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:23:07,034 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2024-11-25 04:23:07,037 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (237)] Ended with exit code 0 [2024-11-25 04:23:07,039 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:23:07,040 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 27 states and 39 transitions. [2024-11-25 04:23:07,040 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 39 transitions. [2024-11-25 04:23:07,040 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-25 04:23:07,040 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:23:07,040 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:23:07,040 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:23:07,043 INFO L229 MonitoredProcess]: Starting monitored process 238 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:23:07,046 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (238)] Waiting until timeout for monitored process [2024-11-25 04:23:07,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:23:07,279 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:23:07,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:23:07,300 INFO L256 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-25 04:23:07,300 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:23:08,937 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2024-11-25 04:23:08,940 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (238)] Ended with exit code 0 [2024-11-25 04:23:08,943 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:23:08,943 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 27 states and 39 transitions. [2024-11-25 04:23:08,943 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 39 transitions. [2024-11-25 04:23:08,943 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-25 04:23:08,943 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:23:08,943 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:23:08,944 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:23:08,945 INFO L229 MonitoredProcess]: Starting monitored process 239 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:23:08,947 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (239)] Waiting until timeout for monitored process [2024-11-25 04:23:09,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:23:09,183 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:23:09,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:23:09,203 INFO L256 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-25 04:23:09,204 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:23:10,861 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2024-11-25 04:23:10,865 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (239)] Ended with exit code 0 [2024-11-25 04:23:10,868 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:23:10,868 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 27 states and 39 transitions. [2024-11-25 04:23:10,868 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 39 transitions. [2024-11-25 04:23:10,869 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-25 04:23:10,869 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:23:10,869 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:23:10,869 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:23:10,870 INFO L229 MonitoredProcess]: Starting monitored process 240 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:23:10,871 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (240)] Waiting until timeout for monitored process [2024-11-25 04:23:11,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:23:11,114 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:23:11,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:23:11,135 INFO L256 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-25 04:23:11,135 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:23:12,787 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2024-11-25 04:23:12,790 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (240)] Ended with exit code 0 [2024-11-25 04:23:12,792 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:23:12,792 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 27 states and 39 transitions. [2024-11-25 04:23:12,792 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 39 transitions. [2024-11-25 04:23:12,792 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-25 04:23:12,792 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:23:12,792 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:23:12,792 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:23:12,794 INFO L229 MonitoredProcess]: Starting monitored process 241 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:23:12,795 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (241)] Waiting until timeout for monitored process [2024-11-25 04:23:13,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:23:13,039 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:23:13,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:23:13,059 INFO L256 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-25 04:23:13,060 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:23:14,741 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2024-11-25 04:23:14,744 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (241)] Ended with exit code 0 [2024-11-25 04:23:14,745 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:23:14,746 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 27 states and 39 transitions. [2024-11-25 04:23:14,746 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 39 transitions. [2024-11-25 04:23:14,746 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-25 04:23:14,746 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:23:14,746 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:23:14,746 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:23:14,748 INFO L229 MonitoredProcess]: Starting monitored process 242 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:23:14,749 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (242)] Waiting until timeout for monitored process [2024-11-25 04:23:14,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:23:14,996 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:23:15,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:23:15,016 INFO L256 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-25 04:23:15,017 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:23:16,793 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2024-11-25 04:23:16,795 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (242)] Ended with exit code 0 [2024-11-25 04:23:16,797 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:23:16,797 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 27 states and 39 transitions. [2024-11-25 04:23:16,798 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 39 transitions. [2024-11-25 04:23:16,798 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-25 04:23:16,798 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:23:16,798 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:23:16,798 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:23:16,799 INFO L229 MonitoredProcess]: Starting monitored process 243 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:23:16,800 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (243)] Waiting until timeout for monitored process [2024-11-25 04:23:17,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:23:17,029 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:23:17,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:23:17,050 INFO L256 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-25 04:23:17,050 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:23:18,649 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2024-11-25 04:23:18,651 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (243)] Ended with exit code 0 [2024-11-25 04:23:18,654 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:23:18,654 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 27 states and 39 transitions. [2024-11-25 04:23:18,654 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 39 transitions. [2024-11-25 04:23:18,654 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-25 04:23:18,654 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:23:18,654 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:23:18,654 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:23:18,656 INFO L229 MonitoredProcess]: Starting monitored process 244 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:23:18,657 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (244)] Waiting until timeout for monitored process [2024-11-25 04:23:18,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:23:18,881 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:23:18,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:23:18,902 INFO L256 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-25 04:23:18,902 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:23:20,541 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2024-11-25 04:23:20,544 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (244)] Ended with exit code 0 [2024-11-25 04:23:20,546 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:23:20,546 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 27 states and 39 transitions. [2024-11-25 04:23:20,546 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 39 transitions. [2024-11-25 04:23:20,547 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-25 04:23:20,547 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:23:20,547 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:23:20,547 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:23:20,548 INFO L229 MonitoredProcess]: Starting monitored process 245 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:23:20,550 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (245)] Waiting until timeout for monitored process [2024-11-25 04:23:20,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:23:20,790 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:23:20,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:23:20,810 INFO L256 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-25 04:23:20,811 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:23:22,441 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2024-11-25 04:23:22,444 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (245)] Ended with exit code 0 [2024-11-25 04:23:22,446 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:23:22,447 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 27 states and 39 transitions. [2024-11-25 04:23:22,447 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 39 transitions. [2024-11-25 04:23:22,447 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-25 04:23:22,447 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:23:22,447 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:23:22,447 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:23:22,448 INFO L229 MonitoredProcess]: Starting monitored process 246 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:23:22,450 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (246)] Waiting until timeout for monitored process [2024-11-25 04:23:22,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:23:22,698 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:23:22,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:23:22,721 INFO L256 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-25 04:23:22,722 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:23:24,371 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2024-11-25 04:23:24,374 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (246)] Ended with exit code 0 [2024-11-25 04:23:24,377 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:23:24,377 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 27 states and 39 transitions. [2024-11-25 04:23:24,377 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 39 transitions. [2024-11-25 04:23:24,377 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-25 04:23:24,377 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:23:24,377 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:23:24,377 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:23:24,379 INFO L229 MonitoredProcess]: Starting monitored process 247 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:23:24,380 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (247)] Waiting until timeout for monitored process [2024-11-25 04:23:24,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:23:24,621 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:23:24,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:23:24,641 INFO L256 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-25 04:23:24,642 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:23:26,418 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2024-11-25 04:23:26,421 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (247)] Forceful destruction successful, exit code 0 [2024-11-25 04:23:26,423 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:23:26,423 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 27 states and 39 transitions. [2024-11-25 04:23:26,423 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 39 transitions. [2024-11-25 04:23:26,424 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-25 04:23:26,424 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:23:26,424 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:23:26,424 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:23:26,426 INFO L229 MonitoredProcess]: Starting monitored process 248 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:23:26,429 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (248)] Waiting until timeout for monitored process [2024-11-25 04:23:26,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:23:26,660 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:23:26,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:23:26,681 INFO L256 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-25 04:23:26,681 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:23:28,303 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2024-11-25 04:23:28,305 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (248)] Forceful destruction successful, exit code 0 [2024-11-25 04:23:28,307 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:23:28,307 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 27 states and 39 transitions. [2024-11-25 04:23:28,307 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 39 transitions. [2024-11-25 04:23:28,308 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-25 04:23:28,308 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:23:28,308 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:23:28,308 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:23:28,309 INFO L229 MonitoredProcess]: Starting monitored process 249 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:23:28,311 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (249)] Waiting until timeout for monitored process [2024-11-25 04:23:28,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:23:28,537 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:23:28,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:23:28,558 INFO L256 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-25 04:23:28,559 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:23:30,179 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2024-11-25 04:23:30,182 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (249)] Ended with exit code 0 [2024-11-25 04:23:30,184 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:23:30,184 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 27 states and 39 transitions. [2024-11-25 04:23:30,184 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 39 transitions. [2024-11-25 04:23:30,184 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-25 04:23:30,184 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:23:30,185 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:23:30,185 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:23:30,189 INFO L229 MonitoredProcess]: Starting monitored process 250 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:23:30,191 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (250)] Waiting until timeout for monitored process [2024-11-25 04:23:30,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:23:30,419 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:23:30,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:23:30,440 INFO L256 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-25 04:23:30,440 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:23:32,051 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2024-11-25 04:23:32,055 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (250)] Ended with exit code 0 [2024-11-25 04:23:32,057 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:23:32,058 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 27 states and 39 transitions. [2024-11-25 04:23:32,058 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 39 transitions. [2024-11-25 04:23:32,058 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-25 04:23:32,058 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:23:32,058 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:23:32,058 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:23:32,059 INFO L229 MonitoredProcess]: Starting monitored process 251 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:23:32,061 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (251)] Waiting until timeout for monitored process [2024-11-25 04:23:32,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:23:32,288 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:23:32,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:23:32,308 INFO L256 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-25 04:23:32,309 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:23:33,950 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2024-11-25 04:23:33,953 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (251)] Ended with exit code 0 [2024-11-25 04:23:33,955 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:23:33,955 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 27 states and 39 transitions. [2024-11-25 04:23:33,955 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 39 transitions. [2024-11-25 04:23:33,955 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-25 04:23:33,955 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:23:33,956 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:23:33,956 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:23:33,957 INFO L229 MonitoredProcess]: Starting monitored process 252 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:23:33,959 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (252)] Waiting until timeout for monitored process [2024-11-25 04:23:34,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:23:34,210 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:23:34,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:23:34,231 INFO L256 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-25 04:23:34,232 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:23:35,855 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2024-11-25 04:23:35,858 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (252)] Ended with exit code 0 [2024-11-25 04:23:35,860 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:23:35,861 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 27 states and 39 transitions. [2024-11-25 04:23:35,861 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 39 transitions. [2024-11-25 04:23:35,861 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-25 04:23:35,861 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:23:35,861 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:23:35,861 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:23:35,863 INFO L229 MonitoredProcess]: Starting monitored process 253 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:23:35,864 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (253)] Waiting until timeout for monitored process [2024-11-25 04:23:36,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:23:36,120 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:23:36,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:23:36,141 INFO L256 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-25 04:23:36,141 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:23:37,764 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2024-11-25 04:23:37,767 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (253)] Ended with exit code 0 [2024-11-25 04:23:37,769 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:23:37,770 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 27 states and 39 transitions. [2024-11-25 04:23:37,770 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 39 transitions. [2024-11-25 04:23:37,770 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-25 04:23:37,770 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:23:37,770 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:23:37,770 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:23:37,772 INFO L229 MonitoredProcess]: Starting monitored process 254 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:23:37,777 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (254)] Waiting until timeout for monitored process [2024-11-25 04:23:38,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:23:38,119 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:23:38,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:23:38,143 INFO L256 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-25 04:23:38,144 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:23:39,979 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2024-11-25 04:23:39,981 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (254)] Forceful destruction successful, exit code 0 [2024-11-25 04:23:39,984 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:23:39,984 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 27 states and 39 transitions. [2024-11-25 04:23:39,984 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 39 transitions. [2024-11-25 04:23:39,984 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-25 04:23:39,984 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:23:39,984 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:23:39,984 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:23:39,986 INFO L229 MonitoredProcess]: Starting monitored process 255 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:23:39,988 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (255)] Waiting until timeout for monitored process [2024-11-25 04:23:40,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:23:40,214 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:23:40,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:23:40,236 INFO L256 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-25 04:23:40,237 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:23:41,857 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2024-11-25 04:23:41,860 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (255)] Ended with exit code 0 [2024-11-25 04:23:41,862 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:23:41,862 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 27 states and 39 transitions. [2024-11-25 04:23:41,862 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 39 transitions. [2024-11-25 04:23:41,862 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-25 04:23:41,862 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:23:41,863 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:23:41,863 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:23:41,870 INFO L229 MonitoredProcess]: Starting monitored process 256 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:23:41,876 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (256)] Waiting until timeout for monitored process [2024-11-25 04:23:42,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:23:42,135 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:23:42,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:23:42,157 INFO L256 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-25 04:23:42,158 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:23:43,794 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2024-11-25 04:23:43,796 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (256)] Forceful destruction successful, exit code 0 [2024-11-25 04:23:43,800 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:23:43,800 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 27 states and 39 transitions. [2024-11-25 04:23:43,800 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 39 transitions. [2024-11-25 04:23:43,800 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-25 04:23:43,800 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:23:43,800 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:23:43,800 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:23:43,802 INFO L229 MonitoredProcess]: Starting monitored process 257 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:23:43,814 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (257)] Waiting until timeout for monitored process [2024-11-25 04:23:44,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:23:44,054 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:23:44,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:23:44,076 INFO L256 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-25 04:23:44,077 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:23:45,740 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2024-11-25 04:23:45,745 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (257)] Forceful destruction successful, exit code 0 [2024-11-25 04:23:45,749 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:23:45,749 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 27 states and 39 transitions. [2024-11-25 04:23:45,749 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 39 transitions. [2024-11-25 04:23:45,754 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-25 04:23:45,754 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:23:45,754 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:23:45,754 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:23:45,756 INFO L229 MonitoredProcess]: Starting monitored process 258 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:23:45,759 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (258)] Waiting until timeout for monitored process [2024-11-25 04:23:46,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:23:46,053 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:23:46,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:23:46,074 INFO L256 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-25 04:23:46,075 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:23:47,724 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2024-11-25 04:23:47,727 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (258)] Ended with exit code 0 [2024-11-25 04:23:47,730 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:23:47,730 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 27 states and 39 transitions. [2024-11-25 04:23:47,730 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 39 transitions. [2024-11-25 04:23:47,730 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-25 04:23:47,730 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:23:47,730 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:23:47,730 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:23:47,732 INFO L229 MonitoredProcess]: Starting monitored process 259 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:23:47,733 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (259)] Waiting until timeout for monitored process [2024-11-25 04:23:47,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:23:47,982 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:23:48,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:23:48,003 INFO L256 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-25 04:23:48,004 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:23:49,659 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2024-11-25 04:23:49,662 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (259)] Ended with exit code 0 [2024-11-25 04:23:49,664 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:23:49,665 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 27 states and 39 transitions. [2024-11-25 04:23:49,665 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 39 transitions. [2024-11-25 04:23:49,665 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-25 04:23:49,665 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:23:49,665 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:23:49,665 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:23:49,667 INFO L229 MonitoredProcess]: Starting monitored process 260 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:23:49,668 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (260)] Waiting until timeout for monitored process [2024-11-25 04:23:49,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:23:49,914 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:23:49,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:23:49,935 INFO L256 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-25 04:23:49,935 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:23:51,588 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2024-11-25 04:23:51,590 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (260)] Ended with exit code 0 [2024-11-25 04:23:51,593 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:23:51,593 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 27 states and 39 transitions. [2024-11-25 04:23:51,593 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 39 transitions. [2024-11-25 04:23:51,593 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-25 04:23:51,593 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:23:51,593 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:23:51,593 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:23:51,595 INFO L229 MonitoredProcess]: Starting monitored process 261 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:23:51,596 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (261)] Waiting until timeout for monitored process [2024-11-25 04:23:51,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:23:51,825 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:23:51,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:23:51,845 INFO L256 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-25 04:23:51,846 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:23:53,489 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2024-11-25 04:23:53,491 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (261)] Ended with exit code 0 [2024-11-25 04:23:53,494 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:23:53,494 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 27 states and 39 transitions. [2024-11-25 04:23:53,494 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 39 transitions. [2024-11-25 04:23:53,494 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-25 04:23:53,494 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:23:53,494 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:23:53,494 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:23:53,499 INFO L229 MonitoredProcess]: Starting monitored process 262 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:23:53,501 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (262)] Waiting until timeout for monitored process [2024-11-25 04:23:53,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:23:53,737 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:23:53,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:23:53,766 INFO L256 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-25 04:23:53,766 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:23:55,443 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2024-11-25 04:23:55,445 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (262)] Ended with exit code 0 [2024-11-25 04:23:55,447 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:23:55,447 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 27 states and 39 transitions. [2024-11-25 04:23:55,447 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 39 transitions. [2024-11-25 04:23:55,448 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-25 04:23:55,448 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:23:55,448 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:23:55,448 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:23:55,449 INFO L229 MonitoredProcess]: Starting monitored process 263 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:23:55,451 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (263)] Waiting until timeout for monitored process [2024-11-25 04:23:55,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:23:55,771 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:23:55,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:23:55,794 INFO L256 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-25 04:23:55,795 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:23:57,592 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2024-11-25 04:23:57,595 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (263)] Ended with exit code 0 [2024-11-25 04:23:57,598 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:23:57,598 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 27 states and 39 transitions. [2024-11-25 04:23:57,598 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 39 transitions. [2024-11-25 04:23:57,598 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-25 04:23:57,598 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:23:57,598 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:23:57,598 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:23:57,600 INFO L229 MonitoredProcess]: Starting monitored process 264 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:23:57,601 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (264)] Waiting until timeout for monitored process [2024-11-25 04:23:57,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:23:57,857 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:23:57,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:23:57,880 INFO L256 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-25 04:23:57,881 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:23:59,690 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2024-11-25 04:23:59,692 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (264)] Ended with exit code 0 [2024-11-25 04:23:59,695 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:23:59,695 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 27 states and 39 transitions. [2024-11-25 04:23:59,695 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 39 transitions. [2024-11-25 04:23:59,696 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-25 04:23:59,696 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:23:59,696 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:23:59,696 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:23:59,697 INFO L229 MonitoredProcess]: Starting monitored process 265 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:23:59,698 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (265)] Waiting until timeout for monitored process [2024-11-25 04:23:59,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:23:59,957 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:23:59,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:23:59,982 INFO L256 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-25 04:23:59,983 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:24:01,674 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2024-11-25 04:24:01,677 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (265)] Ended with exit code 0 [2024-11-25 04:24:01,678 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:24:01,678 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 27 states and 39 transitions. [2024-11-25 04:24:01,679 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 39 transitions. [2024-11-25 04:24:01,679 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-25 04:24:01,679 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:24:01,679 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:24:01,679 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:24:01,680 INFO L229 MonitoredProcess]: Starting monitored process 266 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:24:01,681 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (266)] Waiting until timeout for monitored process [2024-11-25 04:24:01,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:24:01,934 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:24:01,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:24:01,956 INFO L256 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-25 04:24:01,956 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:24:03,675 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2024-11-25 04:24:03,678 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (266)] Ended with exit code 0 [2024-11-25 04:24:03,680 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:24:03,680 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 27 states and 39 transitions. [2024-11-25 04:24:03,680 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 39 transitions. [2024-11-25 04:24:03,680 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-25 04:24:03,680 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:24:03,680 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:24:03,680 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:24:03,682 INFO L229 MonitoredProcess]: Starting monitored process 267 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:24:03,683 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (267)] Waiting until timeout for monitored process [2024-11-25 04:24:03,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:24:03,949 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:24:03,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:24:03,969 INFO L256 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-25 04:24:03,970 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:24:05,867 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2024-11-25 04:24:05,870 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (267)] Ended with exit code 0 [2024-11-25 04:24:05,872 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:24:05,872 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 27 states and 39 transitions. [2024-11-25 04:24:05,873 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 39 transitions. [2024-11-25 04:24:05,873 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-25 04:24:05,873 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:24:05,873 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:24:05,873 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:24:05,875 INFO L229 MonitoredProcess]: Starting monitored process 268 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:24:05,876 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (268)] Waiting until timeout for monitored process [2024-11-25 04:24:06,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:24:06,103 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:24:06,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:24:06,123 INFO L256 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-25 04:24:06,124 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:24:08,050 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2024-11-25 04:24:08,053 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (268)] Ended with exit code 0 [2024-11-25 04:24:08,055 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:24:08,055 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 27 states and 39 transitions. [2024-11-25 04:24:08,055 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 39 transitions. [2024-11-25 04:24:08,055 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-25 04:24:08,055 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:24:08,055 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:24:08,055 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:24:08,057 INFO L229 MonitoredProcess]: Starting monitored process 269 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:24:08,062 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (269)] Waiting until timeout for monitored process [2024-11-25 04:24:08,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:24:08,290 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:24:08,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:24:08,309 INFO L256 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-25 04:24:08,310 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:24:10,020 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2024-11-25 04:24:10,022 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (269)] Ended with exit code 0 [2024-11-25 04:24:10,025 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:24:10,025 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 27 states and 39 transitions. [2024-11-25 04:24:10,025 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 39 transitions. [2024-11-25 04:24:10,025 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-25 04:24:10,025 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:24:10,026 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:24:10,026 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:24:10,028 INFO L229 MonitoredProcess]: Starting monitored process 270 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:24:10,029 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (270)] Waiting until timeout for monitored process [2024-11-25 04:24:10,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:24:10,257 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:24:10,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:24:10,277 INFO L256 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-25 04:24:10,278 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:24:11,899 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2024-11-25 04:24:11,901 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (270)] Forceful destruction successful, exit code 0 [2024-11-25 04:24:11,903 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:24:11,903 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 27 states and 39 transitions. [2024-11-25 04:24:11,903 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 39 transitions. [2024-11-25 04:24:11,904 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-25 04:24:11,904 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:24:11,904 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:24:11,904 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:24:11,905 INFO L229 MonitoredProcess]: Starting monitored process 271 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:24:11,907 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (271)] Waiting until timeout for monitored process [2024-11-25 04:24:12,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:24:12,183 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:24:12,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:24:12,210 INFO L256 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-25 04:24:12,211 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:24:13,844 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2024-11-25 04:24:13,846 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (271)] Ended with exit code 0 [2024-11-25 04:24:13,848 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:24:13,848 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 27 states and 39 transitions. [2024-11-25 04:24:13,848 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 39 transitions. [2024-11-25 04:24:13,848 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-25 04:24:13,849 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:24:13,849 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:24:13,849 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:24:13,850 INFO L229 MonitoredProcess]: Starting monitored process 272 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:24:13,851 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (272)] Waiting until timeout for monitored process [2024-11-25 04:24:14,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:24:14,101 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:24:14,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:24:14,121 INFO L256 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-25 04:24:14,122 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:24:16,137 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2024-11-25 04:24:16,139 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (272)] Ended with exit code 0 [2024-11-25 04:24:16,141 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:24:16,141 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 27 states and 39 transitions. [2024-11-25 04:24:16,141 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 39 transitions. [2024-11-25 04:24:16,141 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-25 04:24:16,141 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:24:16,142 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:24:16,142 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:24:16,143 INFO L229 MonitoredProcess]: Starting monitored process 273 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:24:16,144 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (273)] Waiting until timeout for monitored process [2024-11-25 04:24:16,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:24:16,392 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:24:16,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:24:16,412 INFO L256 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-25 04:24:16,413 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:24:18,319 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2024-11-25 04:24:18,322 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (273)] Ended with exit code 0 [2024-11-25 04:24:18,324 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:24:18,325 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 27 states and 39 transitions. [2024-11-25 04:24:18,325 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 39 transitions. [2024-11-25 04:24:18,325 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-25 04:24:18,325 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:24:18,325 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:24:18,325 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:24:18,327 INFO L229 MonitoredProcess]: Starting monitored process 274 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:24:18,328 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (274)] Waiting until timeout for monitored process [2024-11-25 04:24:18,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:24:18,553 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:24:18,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:24:18,574 INFO L256 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-25 04:24:18,575 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:24:20,196 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2024-11-25 04:24:20,199 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (274)] Ended with exit code 0 [2024-11-25 04:24:20,200 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:24:20,201 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 27 states and 39 transitions. [2024-11-25 04:24:20,201 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 39 transitions. [2024-11-25 04:24:20,201 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-25 04:24:20,201 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:24:20,201 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:24:20,201 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:24:20,202 INFO L229 MonitoredProcess]: Starting monitored process 275 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:24:20,203 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (275)] Waiting until timeout for monitored process [2024-11-25 04:24:20,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:24:20,430 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:24:20,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:24:20,452 INFO L256 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-25 04:24:20,452 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:24:22,223 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2024-11-25 04:24:22,226 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (275)] Ended with exit code 0 [2024-11-25 04:24:22,229 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:24:22,229 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 27 states and 39 transitions. [2024-11-25 04:24:22,229 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 39 transitions. [2024-11-25 04:24:22,229 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-25 04:24:22,229 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:24:22,229 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:24:22,229 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:24:22,231 INFO L229 MonitoredProcess]: Starting monitored process 276 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:24:22,232 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (276)] Waiting until timeout for monitored process [2024-11-25 04:24:22,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:24:22,464 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:24:22,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:24:22,485 INFO L256 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-25 04:24:22,486 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:24:24,197 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2024-11-25 04:24:24,200 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (276)] Ended with exit code 0 [2024-11-25 04:24:24,202 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:24:24,202 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 27 states and 39 transitions. [2024-11-25 04:24:24,202 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 39 transitions. [2024-11-25 04:24:24,202 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-25 04:24:24,202 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:24:24,202 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:24:24,202 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:24:24,205 INFO L229 MonitoredProcess]: Starting monitored process 277 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:24:24,208 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (277)] Waiting until timeout for monitored process [2024-11-25 04:24:24,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:24:24,459 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:24:24,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:24:24,479 INFO L256 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-25 04:24:24,480 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:24:26,313 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2024-11-25 04:24:26,315 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (277)] Ended with exit code 0 [2024-11-25 04:24:26,317 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:24:26,317 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 27 states and 39 transitions. [2024-11-25 04:24:26,317 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 39 transitions. [2024-11-25 04:24:26,318 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-25 04:24:26,318 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:24:26,318 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:24:26,318 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:24:26,319 INFO L229 MonitoredProcess]: Starting monitored process 278 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:24:26,321 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (278)] Waiting until timeout for monitored process [2024-11-25 04:24:26,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:24:26,547 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:24:26,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:24:26,569 INFO L256 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-25 04:24:26,570 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:24:28,197 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2024-11-25 04:24:28,200 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (278)] Ended with exit code 0 [2024-11-25 04:24:28,202 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:24:28,202 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 27 states and 39 transitions. [2024-11-25 04:24:28,202 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 39 transitions. [2024-11-25 04:24:28,202 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-25 04:24:28,202 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:24:28,202 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:24:28,202 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:24:28,204 INFO L229 MonitoredProcess]: Starting monitored process 279 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:24:28,205 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (279)] Waiting until timeout for monitored process [2024-11-25 04:24:28,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:24:28,434 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:24:28,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:24:28,454 INFO L256 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-25 04:24:28,455 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:24:30,183 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2024-11-25 04:24:30,186 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (279)] Ended with exit code 0 [2024-11-25 04:24:30,188 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:24:30,188 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 27 states and 39 transitions. [2024-11-25 04:24:30,188 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 39 transitions. [2024-11-25 04:24:30,188 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-25 04:24:30,188 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:24:30,188 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:24:30,188 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:24:30,189 INFO L229 MonitoredProcess]: Starting monitored process 280 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:24:30,191 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (280)] Waiting until timeout for monitored process [2024-11-25 04:24:30,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:24:30,428 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:24:30,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:24:30,450 INFO L256 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-25 04:24:30,450 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:24:32,250 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2024-11-25 04:24:32,252 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (280)] Ended with exit code 0 [2024-11-25 04:24:32,255 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:24:32,255 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 27 states and 39 transitions. [2024-11-25 04:24:32,255 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 39 transitions. [2024-11-25 04:24:32,255 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-25 04:24:32,255 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:24:32,255 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:24:32,255 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:24:32,257 INFO L229 MonitoredProcess]: Starting monitored process 281 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:24:32,257 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (281)] Waiting until timeout for monitored process [2024-11-25 04:24:32,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:24:32,484 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:24:32,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:24:32,504 INFO L256 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-25 04:24:32,505 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:24:34,271 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2024-11-25 04:24:34,274 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (281)] Ended with exit code 0 [2024-11-25 04:24:34,276 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:24:34,276 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 27 states and 39 transitions. [2024-11-25 04:24:34,276 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 39 transitions. [2024-11-25 04:24:34,276 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-25 04:24:34,276 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:24:34,276 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:24:34,277 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:24:34,278 INFO L229 MonitoredProcess]: Starting monitored process 282 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:24:34,284 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (282)] Waiting until timeout for monitored process [2024-11-25 04:24:34,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:24:34,513 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:24:34,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:24:34,533 INFO L256 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-25 04:24:34,534 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:24:36,426 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2024-11-25 04:24:36,429 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (282)] Ended with exit code 0 [2024-11-25 04:24:36,431 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:24:36,431 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 27 states and 39 transitions. [2024-11-25 04:24:36,431 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 39 transitions. [2024-11-25 04:24:36,431 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-25 04:24:36,431 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:24:36,431 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:24:36,431 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:24:36,433 INFO L229 MonitoredProcess]: Starting monitored process 283 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:24:36,434 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (283)] Waiting until timeout for monitored process [2024-11-25 04:24:36,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:24:36,662 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:24:36,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:24:36,681 INFO L256 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-25 04:24:36,682 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:24:38,384 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2024-11-25 04:24:38,386 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (283)] Ended with exit code 0 [2024-11-25 04:24:38,389 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:24:38,389 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 27 states and 39 transitions. [2024-11-25 04:24:38,389 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 39 transitions. [2024-11-25 04:24:38,389 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-25 04:24:38,390 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:24:38,390 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:24:38,390 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:24:38,391 INFO L229 MonitoredProcess]: Starting monitored process 284 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:24:38,392 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (284)] Waiting until timeout for monitored process [2024-11-25 04:24:38,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:24:38,619 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:24:38,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:24:38,639 INFO L256 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-25 04:24:38,640 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:24:40,271 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2024-11-25 04:24:40,274 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (284)] Ended with exit code 0 [2024-11-25 04:24:40,275 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:24:40,275 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 27 states and 39 transitions. [2024-11-25 04:24:40,276 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 39 transitions. [2024-11-25 04:24:40,276 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-25 04:24:40,276 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:24:40,276 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:24:40,276 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:24:40,277 INFO L229 MonitoredProcess]: Starting monitored process 285 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:24:40,279 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (285)] Waiting until timeout for monitored process [2024-11-25 04:24:40,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:24:40,506 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:24:40,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:24:40,528 INFO L256 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-25 04:24:40,529 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:24:42,153 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2024-11-25 04:24:42,156 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (285)] Forceful destruction successful, exit code 0 [2024-11-25 04:24:42,158 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:24:42,158 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 27 states and 39 transitions. [2024-11-25 04:24:42,158 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 39 transitions. [2024-11-25 04:24:42,158 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-25 04:24:42,158 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:24:42,158 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:24:42,158 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:24:42,160 INFO L229 MonitoredProcess]: Starting monitored process 286 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:24:42,161 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (286)] Waiting until timeout for monitored process [2024-11-25 04:24:42,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:24:42,386 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:24:42,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:24:42,406 INFO L256 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-25 04:24:42,407 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:24:44,046 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2024-11-25 04:24:44,048 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (286)] Ended with exit code 0 [2024-11-25 04:24:44,051 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:24:44,051 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 27 states and 39 transitions. [2024-11-25 04:24:44,051 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 39 transitions. [2024-11-25 04:24:44,051 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-25 04:24:44,051 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:24:44,051 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:24:44,051 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:24:44,053 INFO L229 MonitoredProcess]: Starting monitored process 287 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:24:44,054 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (287)] Waiting until timeout for monitored process [2024-11-25 04:24:44,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:24:44,323 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:24:44,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:24:44,343 INFO L256 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-25 04:24:44,344 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:24:45,976 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2024-11-25 04:24:45,979 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (287)] Ended with exit code 0 [2024-11-25 04:24:45,982 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:24:45,982 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 27 states and 39 transitions. [2024-11-25 04:24:45,982 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 39 transitions. [2024-11-25 04:24:45,982 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-25 04:24:45,982 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:24:45,982 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:24:45,982 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:24:45,983 INFO L229 MonitoredProcess]: Starting monitored process 288 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:24:45,984 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (288)] Waiting until timeout for monitored process [2024-11-25 04:24:46,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:24:46,225 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:24:46,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:24:46,245 INFO L256 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-25 04:24:46,246 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:24:47,877 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2024-11-25 04:24:47,879 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (288)] Ended with exit code 0 [2024-11-25 04:24:47,882 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:24:47,882 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 27 states and 39 transitions. [2024-11-25 04:24:47,882 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 39 transitions. [2024-11-25 04:24:47,882 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-25 04:24:47,882 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:24:47,882 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:24:47,882 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:24:47,884 INFO L229 MonitoredProcess]: Starting monitored process 289 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:24:47,885 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (289)] Waiting until timeout for monitored process [2024-11-25 04:24:48,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:24:48,111 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:24:48,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:24:48,134 INFO L256 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-25 04:24:48,134 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:24:50,016 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2024-11-25 04:24:50,018 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (289)] Ended with exit code 0 [2024-11-25 04:24:50,020 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:24:50,020 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 27 states and 39 transitions. [2024-11-25 04:24:50,020 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 39 transitions. [2024-11-25 04:24:50,020 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-25 04:24:50,020 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:24:50,021 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:24:50,021 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:24:50,022 INFO L229 MonitoredProcess]: Starting monitored process 290 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:24:50,023 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (290)] Waiting until timeout for monitored process [2024-11-25 04:24:50,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:24:50,256 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:24:50,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:24:50,277 INFO L256 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-25 04:24:50,278 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:24:52,088 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2024-11-25 04:24:52,090 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (290)] Ended with exit code 0 [2024-11-25 04:24:52,092 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:24:52,092 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 27 states and 39 transitions. [2024-11-25 04:24:52,092 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 39 transitions. [2024-11-25 04:24:52,093 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-25 04:24:52,093 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:24:52,093 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:24:52,093 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:24:52,094 INFO L229 MonitoredProcess]: Starting monitored process 291 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:24:52,095 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (291)] Waiting until timeout for monitored process [2024-11-25 04:24:52,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:24:52,323 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:24:52,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:24:52,354 INFO L256 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-25 04:24:52,355 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:24:54,047 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2024-11-25 04:24:54,050 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (291)] Forceful destruction successful, exit code 0 [2024-11-25 04:24:54,052 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:24:54,052 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 27 states and 39 transitions. [2024-11-25 04:24:54,052 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 39 transitions. [2024-11-25 04:24:54,052 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-25 04:24:54,052 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:24:54,053 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:24:54,053 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:24:54,054 INFO L229 MonitoredProcess]: Starting monitored process 292 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:24:54,056 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (292)] Waiting until timeout for monitored process [2024-11-25 04:24:54,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:24:54,301 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:24:54,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:24:54,322 INFO L256 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-25 04:24:54,323 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:24:56,061 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2024-11-25 04:24:56,063 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (292)] Ended with exit code 0 [2024-11-25 04:24:56,065 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:24:56,065 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 27 states and 39 transitions. [2024-11-25 04:24:56,065 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 39 transitions. [2024-11-25 04:24:56,065 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-25 04:24:56,066 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:24:56,066 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:24:56,066 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:24:56,067 INFO L229 MonitoredProcess]: Starting monitored process 293 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:24:56,069 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (293)] Waiting until timeout for monitored process [2024-11-25 04:24:56,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:24:56,295 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:24:56,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:24:56,315 INFO L256 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-25 04:24:56,316 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:24:57,980 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2024-11-25 04:24:57,983 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (293)] Ended with exit code 0 [2024-11-25 04:24:57,984 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:24:57,985 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 27 states and 39 transitions. [2024-11-25 04:24:57,985 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 39 transitions. [2024-11-25 04:24:57,985 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-25 04:24:57,985 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:24:57,985 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:24:57,985 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:24:57,986 INFO L229 MonitoredProcess]: Starting monitored process 294 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:24:57,988 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (294)] Waiting until timeout for monitored process [2024-11-25 04:24:58,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:24:58,213 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:24:58,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:24:58,233 INFO L256 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-25 04:24:58,234 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:24:59,951 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2024-11-25 04:24:59,953 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (294)] Ended with exit code 0 [2024-11-25 04:24:59,955 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:24:59,955 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 27 states and 39 transitions. [2024-11-25 04:24:59,955 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 39 transitions. [2024-11-25 04:24:59,956 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-25 04:24:59,956 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:24:59,956 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:24:59,956 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:24:59,957 INFO L229 MonitoredProcess]: Starting monitored process 295 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:24:59,959 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (295)] Waiting until timeout for monitored process [2024-11-25 04:25:00,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:25:00,185 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:25:00,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:25:00,205 INFO L256 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-25 04:25:00,206 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:25:01,913 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2024-11-25 04:25:01,916 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (295)] Ended with exit code 0 [2024-11-25 04:25:01,918 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:25:01,918 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 27 states and 39 transitions. [2024-11-25 04:25:01,918 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 39 transitions. [2024-11-25 04:25:01,918 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-25 04:25:01,918 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:25:01,918 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:25:01,918 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:25:01,920 INFO L229 MonitoredProcess]: Starting monitored process 296 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:25:01,921 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (296)] Waiting until timeout for monitored process [2024-11-25 04:25:02,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:25:02,149 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:25:02,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:25:02,169 INFO L256 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-25 04:25:02,170 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:25:03,868 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2024-11-25 04:25:03,870 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (296)] Ended with exit code 0 [2024-11-25 04:25:03,873 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:25:03,873 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 27 states and 39 transitions. [2024-11-25 04:25:03,873 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 39 transitions. [2024-11-25 04:25:03,873 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-25 04:25:03,873 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:25:03,873 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:25:03,873 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:25:03,875 INFO L229 MonitoredProcess]: Starting monitored process 297 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:25:03,876 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (297)] Waiting until timeout for monitored process [2024-11-25 04:25:04,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:25:04,142 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:25:04,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:25:04,162 INFO L256 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-25 04:25:04,163 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:25:05,914 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2024-11-25 04:25:05,917 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (297)] Forceful destruction successful, exit code 0 [2024-11-25 04:25:05,918 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:25:05,918 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 27 states and 39 transitions. [2024-11-25 04:25:05,919 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 39 transitions. [2024-11-25 04:25:05,919 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-25 04:25:05,919 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:25:05,919 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:25:05,919 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:25:05,920 INFO L229 MonitoredProcess]: Starting monitored process 298 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:25:05,921 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (298)] Waiting until timeout for monitored process [2024-11-25 04:25:06,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:25:06,144 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:25:06,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:25:06,179 INFO L256 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-25 04:25:06,180 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:25:07,798 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2024-11-25 04:25:07,801 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (298)] Ended with exit code 0 [2024-11-25 04:25:07,804 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:25:07,804 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 27 states and 39 transitions. [2024-11-25 04:25:07,804 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 39 transitions. [2024-11-25 04:25:07,805 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-25 04:25:07,805 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:25:07,805 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:25:07,805 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:25:07,807 INFO L229 MonitoredProcess]: Starting monitored process 299 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:25:07,809 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (299)] Waiting until timeout for monitored process [2024-11-25 04:25:08,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:25:08,039 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:25:08,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:25:08,061 INFO L256 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-25 04:25:08,061 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:25:09,676 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2024-11-25 04:25:09,678 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (299)] Ended with exit code 0 [2024-11-25 04:25:09,681 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:25:09,681 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 27 states and 39 transitions. [2024-11-25 04:25:09,681 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 39 transitions. [2024-11-25 04:25:09,681 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-25 04:25:09,681 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:25:09,681 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:25:09,681 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:25:09,683 INFO L229 MonitoredProcess]: Starting monitored process 300 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:25:09,684 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (300)] Waiting until timeout for monitored process [2024-11-25 04:25:09,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:25:09,908 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:25:09,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:25:09,930 INFO L256 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-25 04:25:09,930 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:25:11,580 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2024-11-25 04:25:11,583 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (300)] Ended with exit code 0 [2024-11-25 04:25:11,586 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:25:11,586 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 27 states and 39 transitions. [2024-11-25 04:25:11,586 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 39 transitions. [2024-11-25 04:25:11,586 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-25 04:25:11,586 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:25:11,586 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:25:11,586 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:25:11,588 INFO L229 MonitoredProcess]: Starting monitored process 301 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:25:11,589 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (301)] Waiting until timeout for monitored process [2024-11-25 04:25:11,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:25:11,814 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:25:11,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:25:11,834 INFO L256 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-25 04:25:11,835 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:25:13,626 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2024-11-25 04:25:13,629 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (301)] Ended with exit code 0 [2024-11-25 04:25:13,631 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:25:13,631 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 27 states and 39 transitions. [2024-11-25 04:25:13,631 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 39 transitions. [2024-11-25 04:25:13,631 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-25 04:25:13,631 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:25:13,631 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:25:13,632 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:25:13,633 INFO L229 MonitoredProcess]: Starting monitored process 302 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:25:13,634 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (302)] Waiting until timeout for monitored process [2024-11-25 04:25:13,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:25:13,860 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:25:13,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:25:13,881 INFO L256 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-25 04:25:13,881 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:25:15,553 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2024-11-25 04:25:15,556 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (302)] Ended with exit code 0 [2024-11-25 04:25:15,557 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:25:15,558 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 27 states and 39 transitions. [2024-11-25 04:25:15,558 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 39 transitions. [2024-11-25 04:25:15,558 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-25 04:25:15,558 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:25:15,558 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:25:15,558 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:25:15,559 INFO L229 MonitoredProcess]: Starting monitored process 303 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:25:15,561 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (303)] Waiting until timeout for monitored process [2024-11-25 04:25:15,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:25:15,787 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:25:15,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:25:15,806 INFO L256 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-25 04:25:15,807 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:25:17,430 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2024-11-25 04:25:17,432 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (303)] Ended with exit code 0 [2024-11-25 04:25:17,434 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:25:17,434 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 27 states and 39 transitions. [2024-11-25 04:25:17,434 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 39 transitions. [2024-11-25 04:25:17,435 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-25 04:25:17,435 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:25:17,435 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:25:17,435 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:25:17,440 INFO L229 MonitoredProcess]: Starting monitored process 304 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:25:17,443 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (304)] Waiting until timeout for monitored process [2024-11-25 04:25:17,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:25:17,790 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:25:17,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:25:17,814 INFO L256 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-25 04:25:17,815 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:25:19,684 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2024-11-25 04:25:19,686 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (304)] Ended with exit code 0 [2024-11-25 04:25:19,689 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:25:19,689 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 27 states and 39 transitions. [2024-11-25 04:25:19,689 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 39 transitions. [2024-11-25 04:25:19,689 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-25 04:25:19,689 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:25:19,689 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:25:19,689 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:25:19,691 INFO L229 MonitoredProcess]: Starting monitored process 305 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:25:19,692 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (305)] Waiting until timeout for monitored process [2024-11-25 04:25:19,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:25:19,919 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:25:19,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:25:19,940 INFO L256 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-25 04:25:19,940 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:25:21,575 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2024-11-25 04:25:21,578 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (305)] Ended with exit code 0 [2024-11-25 04:25:21,580 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:25:21,580 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 27 states and 39 transitions. [2024-11-25 04:25:21,580 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 39 transitions. [2024-11-25 04:25:21,580 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-25 04:25:21,580 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:25:21,580 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:25:21,580 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:25:21,581 INFO L229 MonitoredProcess]: Starting monitored process 306 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:25:21,583 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (306)] Waiting until timeout for monitored process [2024-11-25 04:25:21,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:25:21,810 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:25:21,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:25:21,830 INFO L256 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-25 04:25:21,830 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:25:23,596 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2024-11-25 04:25:23,599 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (306)] Ended with exit code 0 [2024-11-25 04:25:23,600 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:25:23,601 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 27 states and 39 transitions. [2024-11-25 04:25:23,601 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 39 transitions. [2024-11-25 04:25:23,601 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-25 04:25:23,601 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:25:23,601 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:25:23,601 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:25:23,602 INFO L229 MonitoredProcess]: Starting monitored process 307 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:25:23,604 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (307)] Waiting until timeout for monitored process [2024-11-25 04:25:23,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:25:23,830 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:25:23,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:25:23,851 INFO L256 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-25 04:25:23,852 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:25:25,664 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2024-11-25 04:25:25,667 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (307)] Ended with exit code 0 [2024-11-25 04:25:25,669 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:25:25,670 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 27 states and 39 transitions. [2024-11-25 04:25:25,670 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 39 transitions. [2024-11-25 04:25:25,670 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-25 04:25:25,670 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:25:25,670 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:25:25,670 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:25:25,671 INFO L229 MonitoredProcess]: Starting monitored process 308 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:25:25,673 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (308)] Waiting until timeout for monitored process [2024-11-25 04:25:25,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:25:25,899 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:25:25,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:25:25,919 INFO L256 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-25 04:25:25,920 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:25:27,538 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2024-11-25 04:25:27,541 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (308)] Ended with exit code 0 [2024-11-25 04:25:27,542 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:25:27,542 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 27 states and 39 transitions. [2024-11-25 04:25:27,542 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 39 transitions. [2024-11-25 04:25:27,543 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-25 04:25:27,543 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:25:27,543 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:25:27,543 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:25:27,544 INFO L229 MonitoredProcess]: Starting monitored process 309 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:25:27,546 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (309)] Waiting until timeout for monitored process [2024-11-25 04:25:27,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:25:27,772 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:25:27,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:25:27,794 INFO L256 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-25 04:25:27,795 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:25:29,577 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2024-11-25 04:25:29,580 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (309)] Ended with exit code 0 [2024-11-25 04:25:29,581 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:25:29,582 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 27 states and 39 transitions. [2024-11-25 04:25:29,582 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 39 transitions. [2024-11-25 04:25:29,582 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-25 04:25:29,582 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:25:29,582 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:25:29,582 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:25:29,583 INFO L229 MonitoredProcess]: Starting monitored process 310 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:25:29,585 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (310)] Waiting until timeout for monitored process [2024-11-25 04:25:29,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:25:29,813 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:25:29,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:25:29,833 INFO L256 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-25 04:25:29,834 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:25:31,547 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2024-11-25 04:25:31,549 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (310)] Ended with exit code 0 [2024-11-25 04:25:31,551 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:25:31,551 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 27 states and 39 transitions. [2024-11-25 04:25:31,551 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 39 transitions. [2024-11-25 04:25:31,551 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-25 04:25:31,551 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:25:31,552 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:25:31,552 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:25:31,553 INFO L229 MonitoredProcess]: Starting monitored process 311 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:25:31,554 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (311)] Waiting until timeout for monitored process [2024-11-25 04:25:31,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:25:31,781 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:25:31,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:25:31,801 INFO L256 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-25 04:25:31,802 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:25:33,435 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2024-11-25 04:25:33,437 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (311)] Ended with exit code 0 [2024-11-25 04:25:33,440 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:25:33,440 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 27 states and 39 transitions. [2024-11-25 04:25:33,440 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 39 transitions. [2024-11-25 04:25:33,440 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-25 04:25:33,440 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:25:33,440 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:25:33,440 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:25:33,442 INFO L229 MonitoredProcess]: Starting monitored process 312 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:25:33,443 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (312)] Waiting until timeout for monitored process [2024-11-25 04:25:33,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:25:33,669 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:25:33,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:25:33,689 INFO L256 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-25 04:25:33,690 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:25:35,451 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2024-11-25 04:25:35,454 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (312)] Ended with exit code 0 [2024-11-25 04:25:35,455 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:25:35,455 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 27 states and 39 transitions. [2024-11-25 04:25:35,456 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 39 transitions. [2024-11-25 04:25:35,456 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-25 04:25:35,456 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:25:35,456 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:25:35,456 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:25:35,457 INFO L229 MonitoredProcess]: Starting monitored process 313 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:25:35,458 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (313)] Waiting until timeout for monitored process [2024-11-25 04:25:35,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:25:35,685 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:25:35,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:25:35,705 INFO L256 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-25 04:25:35,706 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:25:37,454 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2024-11-25 04:25:37,457 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (313)] Ended with exit code 0 [2024-11-25 04:25:37,458 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:25:37,458 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 27 states and 39 transitions. [2024-11-25 04:25:37,458 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 39 transitions. [2024-11-25 04:25:37,459 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-25 04:25:37,459 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:25:37,459 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:25:37,459 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:25:37,460 INFO L229 MonitoredProcess]: Starting monitored process 314 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:25:37,462 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (314)] Waiting until timeout for monitored process [2024-11-25 04:25:37,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:25:37,697 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:25:37,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:25:37,719 INFO L256 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-25 04:25:37,720 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:25:39,533 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2024-11-25 04:25:39,536 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (314)] Ended with exit code 0 [2024-11-25 04:25:39,538 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:25:39,538 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 27 states and 39 transitions. [2024-11-25 04:25:39,538 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 39 transitions. [2024-11-25 04:25:39,538 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-25 04:25:39,538 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:25:39,538 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:25:39,538 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:25:39,540 INFO L229 MonitoredProcess]: Starting monitored process 315 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:25:39,542 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (315)] Waiting until timeout for monitored process [2024-11-25 04:25:39,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:25:39,767 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:25:39,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:25:39,787 INFO L256 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-25 04:25:39,788 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:25:41,430 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2024-11-25 04:25:41,432 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (315)] Ended with exit code 0 [2024-11-25 04:25:41,434 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:25:41,434 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 27 states and 39 transitions. [2024-11-25 04:25:41,434 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 39 transitions. [2024-11-25 04:25:41,434 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-25 04:25:41,434 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:25:41,434 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:25:41,434 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:25:41,436 INFO L229 MonitoredProcess]: Starting monitored process 316 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:25:41,437 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (316)] Waiting until timeout for monitored process [2024-11-25 04:25:41,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:25:41,660 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:25:41,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:25:41,681 INFO L256 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-25 04:25:41,682 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:25:43,338 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2024-11-25 04:25:43,341 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (316)] Ended with exit code 0 [2024-11-25 04:25:43,343 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:25:43,343 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 27 states and 39 transitions. [2024-11-25 04:25:43,343 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 39 transitions. [2024-11-25 04:25:43,343 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-25 04:25:43,343 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:25:43,344 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:25:43,344 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:25:43,345 INFO L229 MonitoredProcess]: Starting monitored process 317 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:25:43,346 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (317)] Waiting until timeout for monitored process [2024-11-25 04:25:43,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:25:43,572 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:25:43,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:25:43,593 INFO L256 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-25 04:25:43,594 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:25:45,382 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2024-11-25 04:25:45,385 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (317)] Ended with exit code 0 [2024-11-25 04:25:45,388 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:25:45,388 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 27 states and 39 transitions. [2024-11-25 04:25:45,388 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 39 transitions. [2024-11-25 04:25:45,388 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-25 04:25:45,388 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:25:45,389 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:25:45,389 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:25:45,391 INFO L229 MonitoredProcess]: Starting monitored process 318 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:25:45,395 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (318)] Waiting until timeout for monitored process [2024-11-25 04:25:45,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:25:45,629 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:25:45,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:25:45,649 INFO L256 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-25 04:25:45,650 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:25:47,270 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2024-11-25 04:25:47,273 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (318)] Ended with exit code 0 [2024-11-25 04:25:47,275 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:25:47,275 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 27 states and 39 transitions. [2024-11-25 04:25:47,275 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 39 transitions. [2024-11-25 04:25:47,275 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-25 04:25:47,275 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:25:47,275 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:25:47,275 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:25:47,277 INFO L229 MonitoredProcess]: Starting monitored process 319 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:25:47,278 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (319)] Waiting until timeout for monitored process [2024-11-25 04:25:47,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:25:47,504 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:25:47,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:25:47,525 INFO L256 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-25 04:25:47,526 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:25:49,350 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2024-11-25 04:25:49,352 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (319)] Ended with exit code 0 [2024-11-25 04:25:49,354 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:25:49,354 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 27 states and 39 transitions. [2024-11-25 04:25:49,354 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 39 transitions. [2024-11-25 04:25:49,354 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-25 04:25:49,354 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:25:49,355 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:25:49,355 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:25:49,356 INFO L229 MonitoredProcess]: Starting monitored process 320 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:25:49,358 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (320)] Waiting until timeout for monitored process [2024-11-25 04:25:49,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:25:49,584 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:25:49,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:25:49,605 INFO L256 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-25 04:25:49,606 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:25:51,213 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2024-11-25 04:25:51,216 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (320)] Ended with exit code 0 [2024-11-25 04:25:51,217 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:25:51,217 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 27 states and 39 transitions. [2024-11-25 04:25:51,217 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 39 transitions. [2024-11-25 04:25:51,218 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-25 04:25:51,218 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:25:51,218 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:25:51,218 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:25:51,219 INFO L229 MonitoredProcess]: Starting monitored process 321 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:25:51,221 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (321)] Waiting until timeout for monitored process [2024-11-25 04:25:51,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:25:51,447 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:25:51,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:25:51,467 INFO L256 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-25 04:25:51,468 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:25:53,109 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2024-11-25 04:25:53,112 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (321)] Ended with exit code 0 [2024-11-25 04:25:53,114 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:25:53,115 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 27 states and 39 transitions. [2024-11-25 04:25:53,115 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 39 transitions. [2024-11-25 04:25:53,115 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-25 04:25:53,115 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:25:53,115 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:25:53,115 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:25:53,118 INFO L229 MonitoredProcess]: Starting monitored process 322 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:25:53,122 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (322)] Waiting until timeout for monitored process [2024-11-25 04:25:53,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:25:53,348 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:25:53,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:25:53,370 INFO L256 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-25 04:25:53,370 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:25:55,185 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2024-11-25 04:25:55,188 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (322)] Ended with exit code 0 [2024-11-25 04:25:55,191 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:25:55,191 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 27 states and 39 transitions. [2024-11-25 04:25:55,191 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 39 transitions. [2024-11-25 04:25:55,191 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-25 04:25:55,191 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:25:55,191 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:25:55,191 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:25:55,193 INFO L229 MonitoredProcess]: Starting monitored process 323 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:25:55,194 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (323)] Waiting until timeout for monitored process [2024-11-25 04:25:55,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:25:55,426 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:25:55,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:25:55,446 INFO L256 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-25 04:25:55,447 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:25:57,244 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2024-11-25 04:25:57,247 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (323)] Ended with exit code 0 [2024-11-25 04:25:57,249 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:25:57,250 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 27 states and 39 transitions. [2024-11-25 04:25:57,250 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 39 transitions. [2024-11-25 04:25:57,250 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-25 04:25:57,250 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:25:57,250 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:25:57,250 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:25:57,252 INFO L229 MonitoredProcess]: Starting monitored process 324 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:25:57,253 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (324)] Waiting until timeout for monitored process [2024-11-25 04:25:57,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:25:57,478 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:25:57,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:25:57,500 INFO L256 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-25 04:25:57,501 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:25:59,240 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2024-11-25 04:25:59,242 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (324)] Ended with exit code 0 [2024-11-25 04:25:59,244 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:25:59,244 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 27 states and 39 transitions. [2024-11-25 04:25:59,244 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 39 transitions. [2024-11-25 04:25:59,244 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-25 04:25:59,244 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:25:59,245 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:25:59,245 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:25:59,246 INFO L229 MonitoredProcess]: Starting monitored process 325 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:25:59,247 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (325)] Waiting until timeout for monitored process [2024-11-25 04:25:59,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:25:59,474 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:25:59,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:25:59,495 INFO L256 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-25 04:25:59,495 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:26:01,295 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2024-11-25 04:26:01,298 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (325)] Ended with exit code 0 [2024-11-25 04:26:01,301 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:26:01,301 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 27 states and 39 transitions. [2024-11-25 04:26:01,301 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 39 transitions. [2024-11-25 04:26:01,301 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-25 04:26:01,301 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:26:01,301 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:26:01,301 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:26:01,302 INFO L229 MonitoredProcess]: Starting monitored process 326 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:26:01,304 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (326)] Waiting until timeout for monitored process [2024-11-25 04:26:01,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:26:01,530 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:26:01,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:26:01,550 INFO L256 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-25 04:26:01,550 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:26:03,232 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2024-11-25 04:26:03,235 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (326)] Ended with exit code 0 [2024-11-25 04:26:03,237 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:26:03,237 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 27 states and 39 transitions. [2024-11-25 04:26:03,237 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 39 transitions. [2024-11-25 04:26:03,237 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-25 04:26:03,237 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:26:03,237 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:26:03,238 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:26:03,239 INFO L229 MonitoredProcess]: Starting monitored process 327 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:26:03,240 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (327)] Waiting until timeout for monitored process [2024-11-25 04:26:03,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:26:03,466 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:26:03,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:26:03,488 INFO L256 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-25 04:26:03,489 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:26:05,202 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2024-11-25 04:26:05,204 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (327)] Ended with exit code 0 [2024-11-25 04:26:05,207 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:26:05,207 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 27 states and 39 transitions. [2024-11-25 04:26:05,207 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 39 transitions. [2024-11-25 04:26:05,207 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-25 04:26:05,207 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:26:05,207 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:26:05,207 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:26:05,209 INFO L229 MonitoredProcess]: Starting monitored process 328 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:26:05,209 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (328)] Waiting until timeout for monitored process [2024-11-25 04:26:05,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:26:05,438 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:26:05,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:26:05,461 INFO L256 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-25 04:26:05,462 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:26:07,165 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2024-11-25 04:26:07,168 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (328)] Ended with exit code 0 [2024-11-25 04:26:07,169 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:26:07,169 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 27 states and 39 transitions. [2024-11-25 04:26:07,169 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 39 transitions. [2024-11-25 04:26:07,170 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-25 04:26:07,170 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:26:07,170 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:26:07,170 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:26:07,171 INFO L229 MonitoredProcess]: Starting monitored process 329 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:26:07,173 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (329)] Waiting until timeout for monitored process [2024-11-25 04:26:07,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:26:07,398 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:26:07,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:26:07,417 INFO L256 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-25 04:26:07,418 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:26:09,025 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2024-11-25 04:26:09,027 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (329)] Ended with exit code 0 [2024-11-25 04:26:09,029 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:26:09,029 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 27 states and 39 transitions. [2024-11-25 04:26:09,029 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 39 transitions. [2024-11-25 04:26:09,029 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-25 04:26:09,029 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:26:09,029 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:26:09,029 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:26:09,031 INFO L229 MonitoredProcess]: Starting monitored process 330 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:26:09,032 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (330)] Waiting until timeout for monitored process [2024-11-25 04:26:09,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:26:09,257 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:26:09,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:26:09,277 INFO L256 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-25 04:26:09,278 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:26:10,991 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2024-11-25 04:26:10,994 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (330)] Forceful destruction successful, exit code 0 [2024-11-25 04:26:10,997 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:26:10,997 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 27 states and 39 transitions. [2024-11-25 04:26:10,997 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 39 transitions. [2024-11-25 04:26:10,997 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-25 04:26:10,997 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:26:10,997 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:26:10,997 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:26:10,999 INFO L229 MonitoredProcess]: Starting monitored process 331 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:26:11,000 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (331)] Waiting until timeout for monitored process [2024-11-25 04:26:11,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:26:11,229 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:26:11,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:26:11,249 INFO L256 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-25 04:26:11,250 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:26:12,939 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2024-11-25 04:26:12,941 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (331)] Ended with exit code 0 [2024-11-25 04:26:12,944 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:26:12,944 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 27 states and 39 transitions. [2024-11-25 04:26:12,944 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 39 transitions. [2024-11-25 04:26:12,944 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-25 04:26:12,944 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:26:12,944 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:26:12,944 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:26:12,946 INFO L229 MonitoredProcess]: Starting monitored process 332 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:26:12,946 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (332)] Waiting until timeout for monitored process [2024-11-25 04:26:13,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:26:13,183 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:26:13,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:26:13,205 INFO L256 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-25 04:26:13,206 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:26:14,878 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2024-11-25 04:26:14,880 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (332)] Ended with exit code 0 [2024-11-25 04:26:14,882 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:26:14,882 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 27 states and 39 transitions. [2024-11-25 04:26:14,882 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 39 transitions. [2024-11-25 04:26:14,883 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-25 04:26:14,883 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:26:14,883 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:26:14,883 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:26:14,884 INFO L229 MonitoredProcess]: Starting monitored process 333 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:26:14,885 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (333)] Waiting until timeout for monitored process [2024-11-25 04:26:15,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:26:15,126 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:26:15,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:26:15,147 INFO L256 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-25 04:26:15,148 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:26:17,275 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2024-11-25 04:26:17,278 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (333)] Ended with exit code 0 [2024-11-25 04:26:17,281 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:26:17,281 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 27 states and 39 transitions. [2024-11-25 04:26:17,281 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 39 transitions. [2024-11-25 04:26:17,281 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-25 04:26:17,281 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:26:17,281 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:26:17,281 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:26:17,283 INFO L229 MonitoredProcess]: Starting monitored process 334 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:26:17,284 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (334)] Waiting until timeout for monitored process [2024-11-25 04:26:17,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:26:17,687 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:26:17,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:26:17,713 INFO L256 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-25 04:26:17,714 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:26:19,365 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2024-11-25 04:26:19,368 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (334)] Ended with exit code 0 [2024-11-25 04:26:19,370 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:26:19,370 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 27 states and 39 transitions. [2024-11-25 04:26:19,370 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 39 transitions. [2024-11-25 04:26:19,370 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-25 04:26:19,370 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:26:19,370 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:26:19,370 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:26:19,372 INFO L229 MonitoredProcess]: Starting monitored process 335 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:26:19,373 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (335)] Waiting until timeout for monitored process [2024-11-25 04:26:19,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:26:19,618 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:26:19,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:26:19,639 INFO L256 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-25 04:26:19,640 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:26:21,366 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2024-11-25 04:26:21,369 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (335)] Ended with exit code 0 [2024-11-25 04:26:21,371 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:26:21,371 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 27 states and 39 transitions. [2024-11-25 04:26:21,371 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 39 transitions. [2024-11-25 04:26:21,371 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-25 04:26:21,371 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:26:21,371 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:26:21,371 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:26:21,372 INFO L229 MonitoredProcess]: Starting monitored process 336 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:26:21,374 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (336)] Waiting until timeout for monitored process [2024-11-25 04:26:21,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:26:21,617 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:26:21,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:26:21,637 INFO L256 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-25 04:26:21,638 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:26:23,284 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2024-11-25 04:26:23,286 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (336)] Ended with exit code 0 [2024-11-25 04:26:23,288 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:26:23,288 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 27 states and 39 transitions. [2024-11-25 04:26:23,288 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 39 transitions. [2024-11-25 04:26:23,288 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-25 04:26:23,288 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:26:23,289 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:26:23,289 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:26:23,290 INFO L229 MonitoredProcess]: Starting monitored process 337 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:26:23,291 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (337)] Waiting until timeout for monitored process [2024-11-25 04:26:23,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:26:23,512 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:26:23,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:26:23,539 INFO L256 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-25 04:26:23,540 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:26:25,234 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2024-11-25 04:26:25,237 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (337)] Ended with exit code 0 [2024-11-25 04:26:25,240 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:26:25,240 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 27 states and 39 transitions. [2024-11-25 04:26:25,240 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 39 transitions. [2024-11-25 04:26:25,240 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-25 04:26:25,240 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:26:25,240 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:26:25,240 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:26:25,242 INFO L229 MonitoredProcess]: Starting monitored process 338 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:26:25,243 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (338)] Waiting until timeout for monitored process [2024-11-25 04:26:25,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:26:25,510 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:26:25,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:26:25,541 INFO L256 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-25 04:26:25,543 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:26:27,465 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2024-11-25 04:26:27,468 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (338)] Ended with exit code 0 [2024-11-25 04:26:27,470 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:26:27,470 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 27 states and 39 transitions. [2024-11-25 04:26:27,470 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 39 transitions. [2024-11-25 04:26:27,470 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-25 04:26:27,470 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:26:27,470 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:26:27,470 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:26:27,475 INFO L229 MonitoredProcess]: Starting monitored process 339 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:26:27,477 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (339)] Waiting until timeout for monitored process [2024-11-25 04:26:27,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:26:27,723 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:26:27,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:26:27,743 INFO L256 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-25 04:26:27,743 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:26:29,721 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2024-11-25 04:26:29,724 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (339)] Ended with exit code 0 [2024-11-25 04:26:29,726 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:26:29,727 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 27 states and 39 transitions. [2024-11-25 04:26:29,727 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 39 transitions. [2024-11-25 04:26:29,727 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-25 04:26:29,727 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:26:29,727 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:26:29,727 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:26:29,728 INFO L229 MonitoredProcess]: Starting monitored process 340 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:26:29,729 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (340)] Waiting until timeout for monitored process [2024-11-25 04:26:30,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:26:30,005 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:26:30,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:26:30,026 INFO L256 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-25 04:26:30,027 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:26:31,809 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2024-11-25 04:26:31,812 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (340)] Ended with exit code 0 [2024-11-25 04:26:31,815 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:26:31,815 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 27 states and 39 transitions. [2024-11-25 04:26:31,815 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 39 transitions. [2024-11-25 04:26:31,816 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-25 04:26:31,816 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:26:31,816 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:26:31,816 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:26:31,817 INFO L229 MonitoredProcess]: Starting monitored process 341 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:26:31,818 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (341)] Waiting until timeout for monitored process [2024-11-25 04:26:32,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:26:32,061 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:26:32,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:26:32,083 INFO L256 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-25 04:26:32,083 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:26:33,761 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2024-11-25 04:26:33,764 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (341)] Ended with exit code 0 [2024-11-25 04:26:33,766 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:26:33,766 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 27 states and 39 transitions. [2024-11-25 04:26:33,766 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 39 transitions. [2024-11-25 04:26:33,766 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-25 04:26:33,766 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:26:33,766 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:26:33,766 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:26:33,768 INFO L229 MonitoredProcess]: Starting monitored process 342 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:26:33,769 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (342)] Waiting until timeout for monitored process [2024-11-25 04:26:34,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:26:34,027 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:26:34,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:26:34,047 INFO L256 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-25 04:26:34,047 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:26:35,792 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2024-11-25 04:26:35,795 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (342)] Forceful destruction successful, exit code 0 [2024-11-25 04:26:35,798 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:26:35,799 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 27 states and 39 transitions. [2024-11-25 04:26:35,799 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 39 transitions. [2024-11-25 04:26:35,799 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-25 04:26:35,799 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:26:35,799 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:26:35,799 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:26:35,801 INFO L229 MonitoredProcess]: Starting monitored process 343 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:26:35,803 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (343)] Waiting until timeout for monitored process [2024-11-25 04:26:36,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:26:36,100 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:26:36,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:26:36,121 INFO L256 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-25 04:26:36,122 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:26:37,843 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2024-11-25 04:26:37,846 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (343)] Ended with exit code 0 [2024-11-25 04:26:37,848 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:26:37,848 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 27 states and 39 transitions. [2024-11-25 04:26:37,848 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 39 transitions. [2024-11-25 04:26:37,849 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-25 04:26:37,849 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:26:37,849 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:26:37,849 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:26:37,850 INFO L229 MonitoredProcess]: Starting monitored process 344 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:26:37,856 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (344)] Waiting until timeout for monitored process [2024-11-25 04:26:38,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:26:38,118 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:26:38,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:26:38,139 INFO L256 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-25 04:26:38,140 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:26:39,829 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2024-11-25 04:26:39,831 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (344)] Ended with exit code 0 [2024-11-25 04:26:39,833 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:26:39,833 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 27 states and 39 transitions. [2024-11-25 04:26:39,833 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 39 transitions. [2024-11-25 04:26:39,834 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-25 04:26:39,834 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:26:39,834 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:26:39,834 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:26:39,835 INFO L229 MonitoredProcess]: Starting monitored process 345 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:26:39,837 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (345)] Waiting until timeout for monitored process [2024-11-25 04:26:40,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:26:40,100 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:26:40,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:26:40,122 INFO L256 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-25 04:26:40,123 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:26:41,887 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2024-11-25 04:26:41,890 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (345)] Ended with exit code 0 [2024-11-25 04:26:41,892 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:26:41,892 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 27 states and 39 transitions. [2024-11-25 04:26:41,892 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 39 transitions. [2024-11-25 04:26:41,892 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-25 04:26:41,892 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:26:41,892 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:26:41,892 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:26:41,894 INFO L229 MonitoredProcess]: Starting monitored process 346 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:26:41,897 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (346)] Waiting until timeout for monitored process [2024-11-25 04:26:42,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:26:42,170 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:26:42,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:26:42,192 INFO L256 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-25 04:26:42,193 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:26:43,862 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2024-11-25 04:26:43,865 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (346)] Ended with exit code 0 [2024-11-25 04:26:43,867 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:26:43,867 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 27 states and 39 transitions. [2024-11-25 04:26:43,867 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 39 transitions. [2024-11-25 04:26:43,867 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-25 04:26:43,867 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:26:43,867 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:26:43,867 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:26:43,869 INFO L229 MonitoredProcess]: Starting monitored process 347 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:26:43,870 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (347)] Waiting until timeout for monitored process [2024-11-25 04:26:44,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:26:44,159 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:26:44,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:26:44,185 INFO L256 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-25 04:26:44,186 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:26:46,243 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2024-11-25 04:26:46,245 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (347)] Ended with exit code 0 [2024-11-25 04:26:46,247 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:26:46,247 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 27 states and 39 transitions. [2024-11-25 04:26:46,247 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 39 transitions. [2024-11-25 04:26:46,247 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-25 04:26:46,247 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:26:46,247 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:26:46,247 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:26:46,249 INFO L229 MonitoredProcess]: Starting monitored process 348 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:26:46,250 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (348)] Waiting until timeout for monitored process [2024-11-25 04:26:46,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:26:46,591 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:26:46,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:26:46,615 INFO L256 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-25 04:26:46,616 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:26:48,876 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2024-11-25 04:26:48,879 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (348)] Ended with exit code 0 [2024-11-25 04:26:48,881 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:26:48,882 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 27 states and 39 transitions. [2024-11-25 04:26:48,882 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 39 transitions. [2024-11-25 04:26:48,882 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-25 04:26:48,882 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:26:48,882 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:26:48,882 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:26:48,883 INFO L229 MonitoredProcess]: Starting monitored process 349 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:26:48,884 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (349)] Waiting until timeout for monitored process [2024-11-25 04:26:49,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:26:49,155 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:26:49,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:26:49,176 INFO L256 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-25 04:26:49,176 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:26:51,028 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2024-11-25 04:26:51,030 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (349)] Ended with exit code 0 [2024-11-25 04:26:51,032 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:26:51,033 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 27 states and 39 transitions. [2024-11-25 04:26:51,033 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 39 transitions. [2024-11-25 04:26:51,033 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-25 04:26:51,033 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:26:51,033 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:26:51,033 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:26:51,034 INFO L229 MonitoredProcess]: Starting monitored process 350 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:26:51,036 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (350)] Waiting until timeout for monitored process [2024-11-25 04:26:51,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:26:51,301 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:26:51,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:26:51,323 INFO L256 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-25 04:26:51,324 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:26:53,144 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2024-11-25 04:26:53,147 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (350)] Ended with exit code 0 [2024-11-25 04:26:53,149 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:26:53,149 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 27 states and 39 transitions. [2024-11-25 04:26:53,149 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 39 transitions. [2024-11-25 04:26:53,149 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-25 04:26:53,149 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:26:53,149 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:26:53,149 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:26:53,151 INFO L229 MonitoredProcess]: Starting monitored process 351 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:26:53,156 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (351)] Waiting until timeout for monitored process [2024-11-25 04:26:53,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:26:53,417 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:26:53,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:26:53,438 INFO L256 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-25 04:26:53,438 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:26:55,102 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2024-11-25 04:26:55,104 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (351)] Ended with exit code 0 [2024-11-25 04:26:55,106 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:26:55,106 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 27 states and 39 transitions. [2024-11-25 04:26:55,106 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 39 transitions. [2024-11-25 04:26:55,106 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-25 04:26:55,106 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:26:55,107 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:26:55,107 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:26:55,108 INFO L229 MonitoredProcess]: Starting monitored process 352 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:26:55,109 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (352)] Waiting until timeout for monitored process [2024-11-25 04:26:55,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:26:55,380 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:26:55,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:26:55,401 INFO L256 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-25 04:26:55,402 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:26:57,599 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2024-11-25 04:26:57,602 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (352)] Ended with exit code 0 [2024-11-25 04:26:57,603 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:26:57,604 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 27 states and 39 transitions. [2024-11-25 04:26:57,604 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 39 transitions. [2024-11-25 04:26:57,604 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-25 04:26:57,604 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:26:57,604 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:26:57,604 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:26:57,607 INFO L229 MonitoredProcess]: Starting monitored process 353 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:26:57,612 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (353)] Waiting until timeout for monitored process [2024-11-25 04:26:57,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:26:57,867 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:26:57,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:26:57,887 INFO L256 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-25 04:26:57,888 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:26:59,780 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2024-11-25 04:26:59,782 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (353)] Ended with exit code 0 [2024-11-25 04:26:59,784 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:26:59,784 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 27 states and 39 transitions. [2024-11-25 04:26:59,784 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 39 transitions. [2024-11-25 04:26:59,785 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-25 04:26:59,785 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:26:59,785 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:26:59,785 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:26:59,786 INFO L229 MonitoredProcess]: Starting monitored process 354 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:26:59,787 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (354)] Waiting until timeout for monitored process [2024-11-25 04:27:00,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:27:00,052 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:27:00,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:27:00,073 INFO L256 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-25 04:27:00,074 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:27:01,829 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2024-11-25 04:27:01,832 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (354)] Ended with exit code 0 [2024-11-25 04:27:01,834 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:27:01,834 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 27 states and 39 transitions. [2024-11-25 04:27:01,834 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 39 transitions. [2024-11-25 04:27:01,835 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-25 04:27:01,835 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:27:01,835 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:27:01,835 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:27:01,836 INFO L229 MonitoredProcess]: Starting monitored process 355 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:27:01,838 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (355)] Waiting until timeout for monitored process [2024-11-25 04:27:02,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:27:02,060 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:27:02,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:27:02,081 INFO L256 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-25 04:27:02,081 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:27:03,819 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2024-11-25 04:27:03,822 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (355)] Forceful destruction successful, exit code 0 [2024-11-25 04:27:03,824 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:27:03,824 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 27 states and 39 transitions. [2024-11-25 04:27:03,824 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 39 transitions. [2024-11-25 04:27:03,824 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-25 04:27:03,824 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:27:03,824 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:27:03,824 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:27:03,826 INFO L229 MonitoredProcess]: Starting monitored process 356 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:27:03,827 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (356)] Waiting until timeout for monitored process [2024-11-25 04:27:04,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:27:04,078 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:27:04,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:27:04,098 INFO L256 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-25 04:27:04,099 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:27:06,117 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2024-11-25 04:27:06,121 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (356)] Ended with exit code 0 [2024-11-25 04:27:06,124 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:27:06,124 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 27 states and 39 transitions. [2024-11-25 04:27:06,124 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 39 transitions. [2024-11-25 04:27:06,124 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-25 04:27:06,124 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:27:06,124 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:27:06,124 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:27:06,126 INFO L229 MonitoredProcess]: Starting monitored process 357 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:27:06,129 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (357)] Waiting until timeout for monitored process [2024-11-25 04:27:06,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:27:06,393 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:27:06,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:27:06,418 INFO L256 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-25 04:27:06,419 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:27:08,639 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2024-11-25 04:27:08,643 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (357)] Forceful destruction successful, exit code 0 [2024-11-25 04:27:08,644 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:27:08,645 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 27 states and 39 transitions. [2024-11-25 04:27:08,645 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 39 transitions. [2024-11-25 04:27:08,645 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-25 04:27:08,645 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:27:08,645 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:27:08,645 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:27:08,646 INFO L229 MonitoredProcess]: Starting monitored process 358 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:27:08,648 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (358)] Waiting until timeout for monitored process [2024-11-25 04:27:08,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:27:08,892 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:27:08,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:27:08,913 INFO L256 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-25 04:27:08,914 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:27:10,766 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2024-11-25 04:27:10,769 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (358)] Ended with exit code 0 [2024-11-25 04:27:10,771 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:27:10,771 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 27 states and 39 transitions. [2024-11-25 04:27:10,771 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 39 transitions. [2024-11-25 04:27:10,771 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-25 04:27:10,771 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:27:10,771 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:27:10,771 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:27:10,773 INFO L229 MonitoredProcess]: Starting monitored process 359 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:27:10,774 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (359)] Waiting until timeout for monitored process [2024-11-25 04:27:11,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:27:11,027 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:27:11,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:27:11,050 INFO L256 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-25 04:27:11,051 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:27:12,681 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2024-11-25 04:27:12,684 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (359)] Ended with exit code 0 [2024-11-25 04:27:12,686 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:27:12,686 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 27 states and 39 transitions. [2024-11-25 04:27:12,686 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 39 transitions. [2024-11-25 04:27:12,686 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-25 04:27:12,686 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:27:12,686 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:27:12,686 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:27:12,687 INFO L229 MonitoredProcess]: Starting monitored process 360 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:27:12,689 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (360)] Waiting until timeout for monitored process [2024-11-25 04:27:12,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:27:12,939 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:27:12,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:27:12,960 INFO L256 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-25 04:27:12,961 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:27:14,790 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2024-11-25 04:27:14,793 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (360)] Ended with exit code 0 [2024-11-25 04:27:14,795 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:27:14,795 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 27 states and 39 transitions. [2024-11-25 04:27:14,795 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 39 transitions. [2024-11-25 04:27:14,795 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-25 04:27:14,795 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:27:14,795 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:27:14,795 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:27:14,797 INFO L229 MonitoredProcess]: Starting monitored process 361 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:27:14,798 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (361)] Waiting until timeout for monitored process [2024-11-25 04:27:15,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:27:15,065 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:27:15,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:27:15,087 INFO L256 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-25 04:27:15,088 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:27:16,931 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2024-11-25 04:27:16,934 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (361)] Ended with exit code 0 [2024-11-25 04:27:16,936 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:27:16,937 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 27 states and 39 transitions. [2024-11-25 04:27:16,937 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 39 transitions. [2024-11-25 04:27:16,937 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-25 04:27:16,937 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:27:16,937 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:27:16,937 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:27:16,939 INFO L229 MonitoredProcess]: Starting monitored process 362 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:27:16,942 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (362)] Waiting until timeout for monitored process [2024-11-25 04:27:17,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:27:17,191 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:27:17,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:27:17,212 INFO L256 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-25 04:27:17,213 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:27:19,107 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2024-11-25 04:27:19,109 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (362)] Ended with exit code 0 [2024-11-25 04:27:19,112 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:27:19,112 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 27 states and 39 transitions. [2024-11-25 04:27:19,112 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 39 transitions. [2024-11-25 04:27:19,112 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-25 04:27:19,112 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:27:19,112 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:27:19,112 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:27:19,114 INFO L229 MonitoredProcess]: Starting monitored process 363 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:27:19,115 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (363)] Waiting until timeout for monitored process [2024-11-25 04:27:19,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:27:19,355 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:27:19,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:27:19,376 INFO L256 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-25 04:27:19,376 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:27:21,138 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2024-11-25 04:27:21,141 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (363)] Ended with exit code 0 [2024-11-25 04:27:21,142 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:27:21,143 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 27 states and 39 transitions. [2024-11-25 04:27:21,143 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 39 transitions. [2024-11-25 04:27:21,143 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-25 04:27:21,143 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:27:21,143 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:27:21,143 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:27:21,144 INFO L229 MonitoredProcess]: Starting monitored process 364 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:27:21,145 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (364)] Waiting until timeout for monitored process [2024-11-25 04:27:21,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:27:21,413 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:27:21,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:27:21,434 INFO L256 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-25 04:27:21,435 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:27:23,406 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2024-11-25 04:27:23,408 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (364)] Ended with exit code 0 [2024-11-25 04:27:23,410 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:27:23,410 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 27 states and 39 transitions. [2024-11-25 04:27:23,410 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 39 transitions. [2024-11-25 04:27:23,411 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-25 04:27:23,411 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:27:23,411 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:27:23,411 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:27:23,412 INFO L229 MonitoredProcess]: Starting monitored process 365 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:27:23,414 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (365)] Waiting until timeout for monitored process [2024-11-25 04:27:23,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:27:23,652 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:27:23,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:27:23,674 INFO L256 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-25 04:27:23,675 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:27:25,646 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2024-11-25 04:27:25,650 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (365)] Ended with exit code 0 [2024-11-25 04:27:25,653 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:27:25,653 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 27 states and 39 transitions. [2024-11-25 04:27:25,653 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 39 transitions. [2024-11-25 04:27:25,653 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-25 04:27:25,653 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:27:25,653 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:27:25,654 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:27:25,656 INFO L229 MonitoredProcess]: Starting monitored process 366 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:27:25,658 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (366)] Waiting until timeout for monitored process [2024-11-25 04:27:25,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:27:25,934 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:27:25,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:27:25,955 INFO L256 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-25 04:27:25,956 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:27:27,649 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2024-11-25 04:27:27,651 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (366)] Ended with exit code 0 [2024-11-25 04:27:27,654 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:27:27,654 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 27 states and 39 transitions. [2024-11-25 04:27:27,654 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 39 transitions. [2024-11-25 04:27:27,654 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-25 04:27:27,654 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:27:27,654 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:27:27,655 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:27:27,656 INFO L229 MonitoredProcess]: Starting monitored process 367 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:27:27,657 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (367)] Waiting until timeout for monitored process [2024-11-25 04:27:27,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:27:27,900 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:27:27,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:27:27,922 INFO L256 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-25 04:27:27,922 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:27:29,579 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2024-11-25 04:27:29,582 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (367)] Ended with exit code 0 [2024-11-25 04:27:29,583 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:27:29,584 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 27 states and 39 transitions. [2024-11-25 04:27:29,584 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 39 transitions. [2024-11-25 04:27:29,584 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-25 04:27:29,584 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:27:29,584 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:27:29,584 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:27:29,587 INFO L229 MonitoredProcess]: Starting monitored process 368 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:27:29,589 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (368)] Waiting until timeout for monitored process [2024-11-25 04:27:29,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:27:29,834 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:27:29,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:27:29,854 INFO L256 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-25 04:27:29,854 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:27:31,588 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2024-11-25 04:27:31,590 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (368)] Ended with exit code 0 [2024-11-25 04:27:31,592 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:27:31,592 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 27 states and 39 transitions. [2024-11-25 04:27:31,592 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 39 transitions. [2024-11-25 04:27:31,593 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-25 04:27:31,593 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:27:31,593 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:27:31,593 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:27:31,594 INFO L229 MonitoredProcess]: Starting monitored process 369 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:27:31,595 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (369)] Waiting until timeout for monitored process [2024-11-25 04:27:31,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:27:31,830 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:27:31,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:27:31,851 INFO L256 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-25 04:27:31,851 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:27:33,600 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2024-11-25 04:27:33,602 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (369)] Ended with exit code 0 [2024-11-25 04:27:33,604 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:27:33,604 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 27 states and 39 transitions. [2024-11-25 04:27:33,604 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 39 transitions. [2024-11-25 04:27:33,604 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-25 04:27:33,604 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:27:33,605 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:27:33,605 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:27:33,606 INFO L229 MonitoredProcess]: Starting monitored process 370 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:27:33,607 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (370)] Waiting until timeout for monitored process [2024-11-25 04:27:33,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:27:33,839 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:27:33,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:27:33,860 INFO L256 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-25 04:27:33,860 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:27:35,607 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2024-11-25 04:27:35,614 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (370)] Ended with exit code 0 [2024-11-25 04:27:35,618 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:27:35,618 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 27 states and 39 transitions. [2024-11-25 04:27:35,618 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 39 transitions. [2024-11-25 04:27:35,618 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-25 04:27:35,618 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:27:35,618 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:27:35,618 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:27:35,622 INFO L229 MonitoredProcess]: Starting monitored process 371 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:27:35,623 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (371)] Waiting until timeout for monitored process [2024-11-25 04:27:36,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:27:36,002 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:27:36,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:27:36,028 INFO L256 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-25 04:27:36,029 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:27:37,730 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2024-11-25 04:27:37,733 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (371)] Ended with exit code 0 [2024-11-25 04:27:37,735 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:27:37,735 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 27 states and 39 transitions. [2024-11-25 04:27:37,735 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 39 transitions. [2024-11-25 04:27:37,735 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-25 04:27:37,735 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:27:37,735 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:27:37,735 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:27:37,736 INFO L229 MonitoredProcess]: Starting monitored process 372 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:27:37,738 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (372)] Waiting until timeout for monitored process [2024-11-25 04:27:37,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:27:37,970 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:27:37,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:27:37,991 INFO L256 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-25 04:27:37,992 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:27:39,648 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2024-11-25 04:27:39,651 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (372)] Ended with exit code 0 [2024-11-25 04:27:39,652 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:27:39,653 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 27 states and 39 transitions. [2024-11-25 04:27:39,653 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 39 transitions. [2024-11-25 04:27:39,653 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-25 04:27:39,653 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:27:39,653 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:27:39,653 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:27:39,654 INFO L229 MonitoredProcess]: Starting monitored process 373 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:27:39,656 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (373)] Waiting until timeout for monitored process [2024-11-25 04:27:39,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:27:39,890 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:27:39,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:27:39,910 INFO L256 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-25 04:27:39,911 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:27:41,564 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2024-11-25 04:27:41,566 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (373)] Ended with exit code 0 [2024-11-25 04:27:41,569 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:27:41,569 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 27 states and 39 transitions. [2024-11-25 04:27:41,569 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 39 transitions. [2024-11-25 04:27:41,569 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-25 04:27:41,569 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:27:41,569 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:27:41,569 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:27:41,571 INFO L229 MonitoredProcess]: Starting monitored process 374 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:27:41,572 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (374)] Waiting until timeout for monitored process [2024-11-25 04:27:41,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:27:41,803 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:27:41,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:27:41,823 INFO L256 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-25 04:27:41,824 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:27:44,142 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2024-11-25 04:27:44,145 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (374)] Ended with exit code 0 [2024-11-25 04:27:44,148 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:27:44,148 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 27 states and 39 transitions. [2024-11-25 04:27:44,148 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 39 transitions. [2024-11-25 04:27:44,148 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-25 04:27:44,148 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:27:44,148 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:27:44,148 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:27:44,150 INFO L229 MonitoredProcess]: Starting monitored process 375 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:27:44,151 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (375)] Waiting until timeout for monitored process [2024-11-25 04:27:44,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:27:44,416 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:27:44,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:27:44,439 INFO L256 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-25 04:27:44,440 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:27:46,376 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2024-11-25 04:27:46,379 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (375)] Ended with exit code 0 [2024-11-25 04:27:46,382 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:27:46,382 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 27 states and 39 transitions. [2024-11-25 04:27:46,382 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 39 transitions. [2024-11-25 04:27:46,382 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-25 04:27:46,382 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:27:46,382 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:27:46,383 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:27:46,384 INFO L229 MonitoredProcess]: Starting monitored process 376 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:27:46,386 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (376)] Waiting until timeout for monitored process [2024-11-25 04:27:46,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:27:46,653 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:27:46,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:27:46,675 INFO L256 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-25 04:27:46,676 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:27:48,531 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2024-11-25 04:27:48,533 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (376)] Ended with exit code 0 [2024-11-25 04:27:48,536 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:27:48,536 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 27 states and 39 transitions. [2024-11-25 04:27:48,536 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 39 transitions. [2024-11-25 04:27:48,536 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-25 04:27:48,536 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:27:48,536 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:27:48,536 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:27:48,538 INFO L229 MonitoredProcess]: Starting monitored process 377 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:27:48,539 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (377)] Waiting until timeout for monitored process [2024-11-25 04:27:48,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:27:48,761 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:27:48,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:27:48,781 INFO L256 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-25 04:27:48,782 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:27:50,509 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2024-11-25 04:27:50,512 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (377)] Ended with exit code 0 [2024-11-25 04:27:50,514 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:27:50,514 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 27 states and 39 transitions. [2024-11-25 04:27:50,514 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 39 transitions. [2024-11-25 04:27:50,515 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-25 04:27:50,515 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:27:50,515 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:27:50,515 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:27:50,516 INFO L229 MonitoredProcess]: Starting monitored process 378 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:27:50,517 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (378)] Waiting until timeout for monitored process [2024-11-25 04:27:50,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:27:50,760 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:27:50,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:27:50,781 INFO L256 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-25 04:27:50,782 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:27:52,597 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2024-11-25 04:27:52,600 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (378)] Ended with exit code 0 [2024-11-25 04:27:52,603 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:27:52,603 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 27 states and 39 transitions. [2024-11-25 04:27:52,603 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 39 transitions. [2024-11-25 04:27:52,603 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-25 04:27:52,603 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:27:52,603 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:27:52,603 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:27:52,605 INFO L229 MonitoredProcess]: Starting monitored process 379 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:27:52,606 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (379)] Waiting until timeout for monitored process [2024-11-25 04:27:52,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:27:52,853 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:27:52,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:27:52,873 INFO L256 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-25 04:27:52,874 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:27:54,755 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2024-11-25 04:27:54,758 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (379)] Ended with exit code 0 [2024-11-25 04:27:54,761 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:27:54,761 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 27 states and 39 transitions. [2024-11-25 04:27:54,761 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 39 transitions. [2024-11-25 04:27:54,761 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-25 04:27:54,761 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:27:54,761 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:27:54,761 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:27:54,763 INFO L229 MonitoredProcess]: Starting monitored process 380 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:27:54,764 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (380)] Waiting until timeout for monitored process [2024-11-25 04:27:55,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:27:55,097 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:27:55,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:27:55,124 INFO L256 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-25 04:27:55,125 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:27:56,980 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2024-11-25 04:27:56,982 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (380)] Ended with exit code 0 [2024-11-25 04:27:56,984 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:27:56,984 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 27 states and 39 transitions. [2024-11-25 04:27:56,984 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 39 transitions. [2024-11-25 04:27:56,984 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-25 04:27:56,985 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:27:56,985 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:27:56,985 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:27:56,986 INFO L229 MonitoredProcess]: Starting monitored process 381 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:27:56,987 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (381)] Waiting until timeout for monitored process [2024-11-25 04:27:57,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:27:57,229 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:27:57,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:27:57,250 INFO L256 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-25 04:27:57,251 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:27:58,923 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2024-11-25 04:27:58,926 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (381)] Forceful destruction successful, exit code 0 [2024-11-25 04:27:58,929 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:27:58,929 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 27 states and 39 transitions. [2024-11-25 04:27:58,929 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 39 transitions. [2024-11-25 04:27:58,929 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-25 04:27:58,929 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:27:58,929 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:27:58,929 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:27:58,931 INFO L229 MonitoredProcess]: Starting monitored process 382 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:27:58,932 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (382)] Waiting until timeout for monitored process [2024-11-25 04:27:59,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:27:59,179 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:27:59,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:27:59,199 INFO L256 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-25 04:27:59,200 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:28:00,832 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2024-11-25 04:28:00,836 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (382)] Ended with exit code 0 [2024-11-25 04:28:00,839 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:28:00,839 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 27 states and 39 transitions. [2024-11-25 04:28:00,839 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 39 transitions. [2024-11-25 04:28:00,839 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-25 04:28:00,839 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:28:00,839 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:28:00,840 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:28:00,842 INFO L229 MonitoredProcess]: Starting monitored process 383 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:28:00,844 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (383)] Waiting until timeout for monitored process [2024-11-25 04:28:01,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:28:01,080 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:28:01,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:28:01,103 INFO L256 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-25 04:28:01,103 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:28:02,966 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2024-11-25 04:28:02,971 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (383)] Ended with exit code 0 [2024-11-25 04:28:02,974 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:28:02,974 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 27 states and 39 transitions. [2024-11-25 04:28:02,974 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 39 transitions. [2024-11-25 04:28:02,974 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-25 04:28:02,974 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:28:02,975 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:28:02,975 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:28:02,980 INFO L229 MonitoredProcess]: Starting monitored process 384 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:28:02,981 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (384)] Waiting until timeout for monitored process [2024-11-25 04:28:03,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:28:03,391 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:28:03,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:28:03,421 INFO L256 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-25 04:28:03,423 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:28:05,295 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2024-11-25 04:28:05,298 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (384)] Ended with exit code 0 [2024-11-25 04:28:05,300 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:28:05,300 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 27 states and 39 transitions. [2024-11-25 04:28:05,300 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 39 transitions. [2024-11-25 04:28:05,301 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-25 04:28:05,301 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:28:05,301 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:28:05,301 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:28:05,303 INFO L229 MonitoredProcess]: Starting monitored process 385 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:28:05,306 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (385)] Waiting until timeout for monitored process [2024-11-25 04:28:05,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:28:05,631 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:28:05,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:28:05,670 INFO L256 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-25 04:28:05,671 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:28:07,448 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2024-11-25 04:28:07,452 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (385)] Ended with exit code 0 [2024-11-25 04:28:07,455 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:28:07,455 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 27 states and 39 transitions. [2024-11-25 04:28:07,455 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 39 transitions. [2024-11-25 04:28:07,456 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-25 04:28:07,456 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:28:07,456 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:28:07,456 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:28:07,458 INFO L229 MonitoredProcess]: Starting monitored process 386 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:28:07,459 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (386)] Waiting until timeout for monitored process [2024-11-25 04:28:07,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:28:07,714 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:28:07,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:28:07,737 INFO L256 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-25 04:28:07,738 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:28:09,397 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2024-11-25 04:28:09,400 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (386)] Forceful destruction successful, exit code 0 [2024-11-25 04:28:09,402 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:28:09,402 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 27 states and 39 transitions. [2024-11-25 04:28:09,402 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 39 transitions. [2024-11-25 04:28:09,403 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-25 04:28:09,403 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:28:09,403 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:28:09,403 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:28:09,404 INFO L229 MonitoredProcess]: Starting monitored process 387 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:28:09,405 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (387)] Waiting until timeout for monitored process [2024-11-25 04:28:09,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:28:09,625 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:28:09,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:28:09,647 INFO L256 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-25 04:28:09,648 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:28:11,262 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2024-11-25 04:28:11,264 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (387)] Ended with exit code 0 [2024-11-25 04:28:11,266 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:28:11,266 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 27 states and 39 transitions. [2024-11-25 04:28:11,266 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 39 transitions. [2024-11-25 04:28:11,266 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-25 04:28:11,266 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:28:11,266 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:28:11,266 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:28:11,269 INFO L229 MonitoredProcess]: Starting monitored process 388 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:28:11,270 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (388)] Waiting until timeout for monitored process [2024-11-25 04:28:11,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:28:11,514 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:28:11,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:28:11,536 INFO L256 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-25 04:28:11,536 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:28:13,207 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2024-11-25 04:28:13,210 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (388)] Ended with exit code 0 [2024-11-25 04:28:13,213 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:28:13,213 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 27 states and 39 transitions. [2024-11-25 04:28:13,213 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 39 transitions. [2024-11-25 04:28:13,213 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-25 04:28:13,213 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:28:13,213 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:28:13,213 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:28:13,215 INFO L229 MonitoredProcess]: Starting monitored process 389 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:28:13,216 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (389)] Waiting until timeout for monitored process [2024-11-25 04:28:13,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:28:13,468 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:28:13,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:28:13,489 INFO L256 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-25 04:28:13,490 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:28:15,164 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2024-11-25 04:28:15,167 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (389)] Ended with exit code 0 [2024-11-25 04:28:15,170 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:28:15,170 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 27 states and 39 transitions. [2024-11-25 04:28:15,170 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 39 transitions. [2024-11-25 04:28:15,170 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-25 04:28:15,170 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:28:15,170 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:28:15,170 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:28:15,172 INFO L229 MonitoredProcess]: Starting monitored process 390 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:28:15,173 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (390)] Waiting until timeout for monitored process [2024-11-25 04:28:15,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:28:15,428 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:28:15,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:28:15,449 INFO L256 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-25 04:28:15,450 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:28:17,299 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2024-11-25 04:28:17,302 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (390)] Ended with exit code 0 [2024-11-25 04:28:17,304 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:28:17,304 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 27 states and 39 transitions. [2024-11-25 04:28:17,305 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 39 transitions. [2024-11-25 04:28:17,305 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-25 04:28:17,305 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:28:17,305 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:28:17,305 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:28:17,307 INFO L229 MonitoredProcess]: Starting monitored process 391 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:28:17,308 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (391)] Waiting until timeout for monitored process [2024-11-25 04:28:17,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:28:17,544 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:28:17,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:28:17,565 INFO L256 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-25 04:28:17,566 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:28:19,224 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2024-11-25 04:28:19,227 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (391)] Ended with exit code 0 [2024-11-25 04:28:19,229 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:28:19,229 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 27 states and 39 transitions. [2024-11-25 04:28:19,229 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 39 transitions. [2024-11-25 04:28:19,229 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-25 04:28:19,229 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:28:19,229 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:28:19,230 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:28:19,231 INFO L229 MonitoredProcess]: Starting monitored process 392 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:28:19,232 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (392)] Waiting until timeout for monitored process [2024-11-25 04:28:19,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:28:19,488 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:28:19,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:28:19,510 INFO L256 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-25 04:28:19,511 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:28:21,214 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2024-11-25 04:28:21,216 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (392)] Ended with exit code 0 [2024-11-25 04:28:21,219 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:28:21,219 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 27 states and 39 transitions. [2024-11-25 04:28:21,219 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 39 transitions. [2024-11-25 04:28:21,219 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-25 04:28:21,219 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:28:21,219 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:28:21,220 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:28:21,221 INFO L229 MonitoredProcess]: Starting monitored process 393 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:28:21,222 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (393)] Waiting until timeout for monitored process [2024-11-25 04:28:21,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:28:21,485 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:28:21,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:28:21,507 INFO L256 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-25 04:28:21,508 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:28:23,197 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2024-11-25 04:28:23,200 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (393)] Ended with exit code 0 [2024-11-25 04:28:23,202 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:28:23,202 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 27 states and 39 transitions. [2024-11-25 04:28:23,202 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 39 transitions. [2024-11-25 04:28:23,202 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-25 04:28:23,202 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:28:23,202 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:28:23,202 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:28:23,204 INFO L229 MonitoredProcess]: Starting monitored process 394 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:28:23,205 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (394)] Waiting until timeout for monitored process [2024-11-25 04:28:23,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:28:23,475 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:28:23,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:28:23,497 INFO L256 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-25 04:28:23,498 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:28:25,580 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2024-11-25 04:28:25,584 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (394)] Ended with exit code 0 [2024-11-25 04:28:25,587 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:28:25,587 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 27 states and 39 transitions. [2024-11-25 04:28:25,587 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 39 transitions. [2024-11-25 04:28:25,587 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-25 04:28:25,588 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:28:25,588 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:28:25,588 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:28:25,590 INFO L229 MonitoredProcess]: Starting monitored process 395 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:28:25,592 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (395)] Waiting until timeout for monitored process [2024-11-25 04:28:25,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:28:25,971 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:28:25,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:28:25,996 INFO L256 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-25 04:28:25,997 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:28:27,679 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2024-11-25 04:28:27,682 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (395)] Ended with exit code 0 [2024-11-25 04:28:27,685 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:28:27,685 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 27 states and 39 transitions. [2024-11-25 04:28:27,685 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 39 transitions. [2024-11-25 04:28:27,685 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-25 04:28:27,685 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:28:27,685 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:28:27,685 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:28:27,687 INFO L229 MonitoredProcess]: Starting monitored process 396 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:28:27,688 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (396)] Waiting until timeout for monitored process [2024-11-25 04:28:27,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:28:27,946 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:28:27,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:28:27,969 INFO L256 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-25 04:28:27,970 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:28:29,691 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2024-11-25 04:28:29,694 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (396)] Ended with exit code 0 [2024-11-25 04:28:29,695 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:28:29,696 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 27 states and 39 transitions. [2024-11-25 04:28:29,696 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 39 transitions. [2024-11-25 04:28:29,696 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-25 04:28:29,696 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:28:29,696 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:28:29,696 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:28:29,697 INFO L229 MonitoredProcess]: Starting monitored process 397 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:28:29,698 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (397)] Waiting until timeout for monitored process [2024-11-25 04:28:29,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:28:29,943 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:28:29,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:28:29,965 INFO L256 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-25 04:28:29,965 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:28:31,575 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2024-11-25 04:28:31,577 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (397)] Ended with exit code 0 [2024-11-25 04:28:31,580 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:28:31,580 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 27 states and 39 transitions. [2024-11-25 04:28:31,580 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 39 transitions. [2024-11-25 04:28:31,580 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-25 04:28:31,580 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:28:31,580 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:28:31,580 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:28:31,582 INFO L229 MonitoredProcess]: Starting monitored process 398 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:28:31,583 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (398)] Waiting until timeout for monitored process [2024-11-25 04:28:31,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:28:31,804 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:28:31,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:28:31,824 INFO L256 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-25 04:28:31,825 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:28:33,484 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2024-11-25 04:28:33,487 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (398)] Ended with exit code 0 [2024-11-25 04:28:33,488 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:28:33,489 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 27 states and 39 transitions. [2024-11-25 04:28:33,489 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 39 transitions. [2024-11-25 04:28:33,489 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-25 04:28:33,489 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:28:33,489 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:28:33,489 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:28:33,490 INFO L229 MonitoredProcess]: Starting monitored process 399 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:28:33,491 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (399)] Waiting until timeout for monitored process [2024-11-25 04:28:33,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:28:33,735 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:28:33,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:28:33,756 INFO L256 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-25 04:28:33,757 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:28:35,442 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2024-11-25 04:28:35,444 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (399)] Ended with exit code 0 [2024-11-25 04:28:35,447 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:28:35,447 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 27 states and 39 transitions. [2024-11-25 04:28:35,447 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 39 transitions. [2024-11-25 04:28:35,447 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-25 04:28:35,447 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:28:35,447 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:28:35,447 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:28:35,449 INFO L229 MonitoredProcess]: Starting monitored process 400 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:28:35,450 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (400)] Waiting until timeout for monitored process [2024-11-25 04:28:35,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:28:35,769 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:28:35,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:28:35,790 INFO L256 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-25 04:28:35,791 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:28:37,427 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2024-11-25 04:28:37,430 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (400)] Ended with exit code 0 [2024-11-25 04:28:37,433 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:28:37,433 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 27 states and 39 transitions. [2024-11-25 04:28:37,433 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 39 transitions. [2024-11-25 04:28:37,433 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-25 04:28:37,433 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:28:37,433 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:28:37,433 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:28:37,435 INFO L229 MonitoredProcess]: Starting monitored process 401 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:28:37,436 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (401)] Waiting until timeout for monitored process [2024-11-25 04:28:37,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:28:37,681 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:28:37,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:28:37,702 INFO L256 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-25 04:28:37,702 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:28:39,355 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2024-11-25 04:28:39,357 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (401)] Ended with exit code 0 [2024-11-25 04:28:39,359 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:28:39,359 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 27 states and 39 transitions. [2024-11-25 04:28:39,359 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 39 transitions. [2024-11-25 04:28:39,360 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-25 04:28:39,360 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:28:39,360 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:28:39,360 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:28:39,361 INFO L229 MonitoredProcess]: Starting monitored process 402 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:28:39,362 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (402)] Waiting until timeout for monitored process [2024-11-25 04:28:39,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:28:39,604 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:28:39,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:28:39,625 INFO L256 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-25 04:28:39,625 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:28:41,276 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2024-11-25 04:28:41,278 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (402)] Ended with exit code 0 [2024-11-25 04:28:41,280 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:28:41,280 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 27 states and 39 transitions. [2024-11-25 04:28:41,280 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 39 transitions. [2024-11-25 04:28:41,281 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-25 04:28:41,281 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:28:41,281 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:28:41,281 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:28:41,283 INFO L229 MonitoredProcess]: Starting monitored process 403 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:28:41,285 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (403)] Waiting until timeout for monitored process [2024-11-25 04:28:41,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:28:41,557 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:28:41,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:28:41,579 INFO L256 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-25 04:28:41,579 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:28:43,196 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2024-11-25 04:28:43,198 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (403)] Forceful destruction successful, exit code 0 [2024-11-25 04:28:43,200 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:28:43,200 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 27 states and 39 transitions. [2024-11-25 04:28:43,200 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 39 transitions. [2024-11-25 04:28:43,200 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-25 04:28:43,201 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:28:43,201 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:28:43,201 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:28:43,202 INFO L229 MonitoredProcess]: Starting monitored process 404 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:28:43,203 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (404)] Waiting until timeout for monitored process [2024-11-25 04:28:43,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:28:43,435 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:28:43,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:28:43,456 INFO L256 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-25 04:28:43,457 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:28:45,144 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2024-11-25 04:28:45,146 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (404)] Ended with exit code 0 [2024-11-25 04:28:45,148 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:28:45,148 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 27 states and 39 transitions. [2024-11-25 04:28:45,148 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 39 transitions. [2024-11-25 04:28:45,148 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-25 04:28:45,148 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:28:45,149 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:28:45,149 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:28:45,150 INFO L229 MonitoredProcess]: Starting monitored process 405 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:28:45,151 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (405)] Waiting until timeout for monitored process [2024-11-25 04:28:45,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:28:45,388 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:28:45,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:28:45,418 INFO L256 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-25 04:28:45,419 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:28:47,252 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2024-11-25 04:28:47,254 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (405)] Ended with exit code 0 [2024-11-25 04:28:47,256 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:28:47,256 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 27 states and 39 transitions. [2024-11-25 04:28:47,256 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 39 transitions. [2024-11-25 04:28:47,256 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-25 04:28:47,256 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:28:47,257 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:28:47,257 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:28:47,258 INFO L229 MonitoredProcess]: Starting monitored process 406 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:28:47,259 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (406)] Waiting until timeout for monitored process [2024-11-25 04:28:47,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:28:47,498 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:28:47,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:28:47,520 INFO L256 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-25 04:28:47,521 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:28:49,169 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2024-11-25 04:28:49,171 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (406)] Ended with exit code 0 [2024-11-25 04:28:49,173 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:28:49,174 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 27 states and 39 transitions. [2024-11-25 04:28:49,174 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 39 transitions. [2024-11-25 04:28:49,174 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-25 04:28:49,174 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:28:49,174 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:28:49,174 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:28:49,175 INFO L229 MonitoredProcess]: Starting monitored process 407 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:28:49,176 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (407)] Waiting until timeout for monitored process [2024-11-25 04:28:49,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:28:49,417 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:28:49,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:28:49,437 INFO L256 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-25 04:28:49,438 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:28:51,077 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2024-11-25 04:28:51,079 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (407)] Ended with exit code 0 [2024-11-25 04:28:51,081 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:28:51,081 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 27 states and 39 transitions. [2024-11-25 04:28:51,081 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 39 transitions. [2024-11-25 04:28:51,081 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-25 04:28:51,081 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:28:51,082 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:28:51,082 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:28:51,083 INFO L229 MonitoredProcess]: Starting monitored process 408 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:28:51,084 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (408)] Waiting until timeout for monitored process [2024-11-25 04:28:51,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:28:51,324 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:28:51,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:28:51,346 INFO L256 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-25 04:28:51,347 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:28:53,001 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2024-11-25 04:28:53,004 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (408)] Ended with exit code 0 [2024-11-25 04:28:53,006 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:28:53,006 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 27 states and 39 transitions. [2024-11-25 04:28:53,006 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 39 transitions. [2024-11-25 04:28:53,006 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-25 04:28:53,006 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:28:53,006 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:28:53,006 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:28:53,008 INFO L229 MonitoredProcess]: Starting monitored process 409 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:28:53,010 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (409)] Waiting until timeout for monitored process [2024-11-25 04:28:53,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:28:53,251 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:28:53,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:28:53,271 INFO L256 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-25 04:28:53,272 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:28:54,948 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2024-11-25 04:28:54,950 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (409)] Ended with exit code 0 [2024-11-25 04:28:54,952 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:28:54,952 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 27 states and 39 transitions. [2024-11-25 04:28:54,952 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 39 transitions. [2024-11-25 04:28:54,952 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-25 04:28:54,952 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:28:54,952 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:28:54,952 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:28:54,954 INFO L229 MonitoredProcess]: Starting monitored process 410 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:28:54,955 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (410)] Waiting until timeout for monitored process [2024-11-25 04:28:55,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:28:55,204 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:28:55,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:28:55,227 INFO L256 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-25 04:28:55,228 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:28:57,004 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2024-11-25 04:28:57,007 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (410)] Ended with exit code 0 [2024-11-25 04:28:57,009 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:28:57,009 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 27 states and 39 transitions. [2024-11-25 04:28:57,009 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 39 transitions. [2024-11-25 04:28:57,009 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-25 04:28:57,009 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:28:57,009 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:28:57,009 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:28:57,011 INFO L229 MonitoredProcess]: Starting monitored process 411 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:28:57,012 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (411)] Waiting until timeout for monitored process [2024-11-25 04:28:57,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:28:57,258 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:28:57,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:28:57,279 INFO L256 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-25 04:28:57,280 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:28:58,933 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2024-11-25 04:28:58,935 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (411)] Ended with exit code 0 [2024-11-25 04:28:58,937 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:28:58,937 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 27 states and 39 transitions. [2024-11-25 04:28:58,937 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 39 transitions. [2024-11-25 04:28:58,937 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-25 04:28:58,937 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:28:58,938 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:28:58,938 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:28:58,939 INFO L229 MonitoredProcess]: Starting monitored process 412 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:28:58,945 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2bd686-3a0e-4c73-aeec-94bb28634dac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (412)] Waiting until timeout for monitored process [2024-11-25 04:28:59,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:28:59,185 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:28:59,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:28:59,206 INFO L256 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-25 04:28:59,206 INFO L279 TraceCheckSpWp]: Computing forward predicates...